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Motor vehicle mechanics` work: National Technical Certificate (NTC

1. ED STV 2001 P1 18 United Nations Educational Scientific and Cultural Organization Organisation des Nations Unies pour l ducation la science et la culture Motor Vehicle Mechanics Work National Technical Certificate NTC and Advanced National Technical Certificate ANTC Curriculum and Course Specifications NATIONAL BOARD FOR TECHNICAL EDUCATION Federal Republic of Nigeria UNESCO Nigeria Project 2001 Motor Vehicle Mechanics Work National Technical Certificate NTC and Advanced National Technical Certificate ANTC NATIONAL BOARD FOR TECHNICAL EDUCATION KADUNA NATIONAL TECHNICAL CERTIFICATE AND ADVANCED NATIONAL TECHNICAL CERTIFICATE 2001 Motor vehicle mechanics Table of contents Genetral Inforrmation oia e D CR D idee ed edant diei 3 Curriculum Table 42 dietetic alee een duct eat al Aga A nie aa tl ea dunes 7 Ver ael ST Tabe ANTO Jenei 8 ierearrbudd 9 General Metal Work l i1 tine taedas ciere denda eid e Fb e D ne Dg e DR n e de get aede 26 Service Stations Mechanics nescence Iced ari dde dott ee o ve ov x Hee de uin eeu nn Vae diede dot dans 30 Petrol Engine MaintemanGe 2 dide bti attesa an altre tai a tei fade i adepti en iate end 41 Diesel Engine Maintenance 2 oia aang diag e iei D el ada Ma Eae Ie ea 50 Engine Recondi
2. List functions of oil in the Name and sketch types of Name and sketch types of oil Explain steps in changing Assess students pump models Chalkboard Posters PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE SERVICE STATION Course Code CMV 10 Contact Hours 8hrs week MECHANICS PRACTICAL GUIDE Teacher to demonstrate Vehicles service equipment and Engine Maintenance correct working procedures appropriate consumables a Carry out securing Students to practise sealing and locking procedures using practical operations on learning manual produced by components parts of teacher types of motor vehicles e Assess students b change engine oil c change oil filter d change or clean spark plugs e check distributor and set the contact breaker points f Service the carburator g grease the appropriate joints h clean air filter i check brakes and effect repairs as appropriate Battery Work Teacher to demonstrate for a Top up battery students to practise till they electrolyte of correct become competent specific gravity Assess students b Check clean or replace if necessary and tighten battery terminals c Check specific gravity of a battery with a hydrometer d Drain discharged electrolyte and refill with good electrolyte and charge the battery 38 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK CO
3. PARTICIPANTS FINAL REVIEW MOTOR VEHICLE MECHANIC WORK S NO NAME ADDRESS 1 Usman Yunusa Kano State Science amp Technical Schools Board PMB 3147 Kaduna 2 Emmanuel O Ogwu Training Department Mercedez Benz ANAMMCO Ltd PMB 2523 Enugu 3 Jyn Adoo National Board for Technical Education Kaduna 121
4. 8 7 Draw a cross sectional view of an oil pressure switch 8 8 Describe the operating principle of an oil cooler General Objective 9 0 Understand the cams and camshafts drive arrangements for side and overhead camshafts Specific Learning Outcome Teachers Activities Resources 9 1 Sketch and label a typical Inspect valve arrangements Lesson plan cam shape showing valve lift jand operating mechanism Chalkboard valve open period and its Explain the construction Overhead Projector and variation function and operation of transparencies 9 2 Sketch the method of cams and camshaft drives Live engine locating the drive gear to the Check for wear on valve camshaft operating mechanism using 9 3 Explain how end float of feeler gauge and by visual the camshaft is controlled inspection 9 4 Describe the methods of Ask the students to describe camshaft drive e g chain gear canshaft drive methods draw or toothed belt chain tensioners and fix the 9 5 Draw a chain tensioner Assess the students and fix tensioner 9 6 Describe methods of camshaft lubrication 9 7 Locate drive gear to camshaft correctly 56 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE DIESEL ENGINE MAINTENANCE Course Code CMV12 Contact Hours 8hrs week General Objective 10 0 Understand the valve port timing diagram for both spark and compression ignition engine Week Specifi
5. 8hrs week General Objective 2 0 Understand the principles of synchronization and carryout major repairs on units of gear boxes Specific Learning Outcome 2 1 Identify various tools and equipment for removal repair and adjustment of synchromech gear box 2 1 Describe the construction and operation of a four speed and constant mesh type of gear box 2 2 Explain the principles of synchronization gear ratio driving torque bearing load and various types of locking devices 2 4 Describe the function of free wheel and overdrive units 2 5 Describe the lubrication methods of the rotating parts of a gear box 2 6 Explain the principle of operations of the different types of epicyclic gearing Teachers Activities Resources Explain the engine and load Lesson plan characteristics which demand the use of Chalk board gear box Wall charts Types of gear boxes Gear boxes Explain the simple four speed and Models reverse gear box with direct acting gear Sectional views lever taken from wall Illustrate with diagrams the synchromesh charts gear box gear arrangements and methods of engagement Illustrate gear ratio calculation Survey with the trainee the well known types of gear box including the over drives Show the application Assess the students Illustrate different methods of gear Lesson plan boxes lubrication in engineering such as Chalk board splash lubrication
6. Assess the students hacksaw piercing saw of the various parts of a bench vice Prepare detail notes and Bench drill its holding power while performing demonstrations that will Pillar drill various operations describe and uses of cold Twist drill flat drill counter 3 12 State the safety precautions to chisels centre punch dot sink drill counter bore drill be observed when using a hand punch scrapers and power combination centre drill hacksaw hacksaw Prepare notes that will describe the various parts of a hacksaw and their functions 18 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT PRACTICE Course General metal Work Course Code CME 11 Contact Hours 7hrs wk General Objective 3 0 Understand the selection and use common measuring marking out cutting and striking tools Week Specific Learning Outcome Teachers Activities Resources Show samples of hacksaw blades as well as prepare notes that will describe the common types of hacksaw blades their range of pitches and their applications Prepare notes that will show 4 correct way of inserting blades Prepare detail notes and explanation stating the safety precautions to be observed when using a hand hacksaw Prepare notes that will describe the uses of various hacksaws Assess the students General Objective 4 0 Understand the working principles of a drilling machine use it to drill and ream holes on me
7. COURSE MAJOR ENGINE REPAIR WORK Course Code CMV 20 Contact Hours 18hrs week General Objective 8 0 Understand the dry sump lubrication system crankcase ventilation and action of oil pressure gauges Week Specific Learning Outcome Teachers Activities Resources 8 1 Explain the operation of a dry With the aid of a sketch illustrate the Lesson plan sump lubrication system principle of dry sump lubrication Explain Manufacturer s 8 2 Explain the need for crankcase why and where this is applied manual ventilation Explain how the crank case is ventilated Oil filters 8 3 Explain the operation of an oil Illustrate how the oil pressure gauge Chalkboard pressure gauge works Filter wrench State the purpose of the gauge Crank case 19 20 Dead engine Pressure gauge Measuring tools 8 4 Draw a line diagram of an oil With the aid of a diagram show and Lesson plan gauge light circuit explain the operation of oil gauge light circuit diagram 8 5 Describe the operating circuit Chalkboard principles of an oil cooler State the purpose of the oil cooler and Ammeter etc illustrate the principles Diagram Assess the students Complete engine General Objective 9 0 Understand the construction and action of the components in a pressurised water cooling and vehicle heating system Week Specific Learning Outcome Teachers Activities Resources 9 1 Explain the need for water pump Discuss the importanc
8. Lesson plan Cam shaft Chalkboard Use measuring tools e g micrometer As above As above As above PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS COURSE MAJOR ENGINE REPAIR WORK Week Week 13 14 Week WORK Course Code CMV 20 Contact Hours 18hrs week General Objective 4 0 Describe cams and camshaft drive arrangements for side and overhead camshafts Specific Learning Outcome 4 5 Describe the methods of camshaft drives including single overhead valve single overhead cam and twin overhead cam Teachers Activities Resources With the wall chart model explain the Lesson plan function and operation of camshaft drive Wall chart showing how the camshaft actuates other Diagrams components Chalkboard Assess the students General Objective 5 0 Understand valve and valve port timing for both spark and compression ignition engines Specific Learning Outcome 5 1 Drawand label a typical valve timing diagram for a spark ignition engine 5 2 Compare valve timing diagram for C I engine with that of a spark ignition engine 5 3 State the meaning of the following terms a valve overlap b valve lead c valve lag Teachers Activities Resources Explain the diagram of spark ignition Lesson plan Wall chart Chalkboard Inlet valves system Explain the importance of timing system Illustrate with the aid of sketches
9. Voltmeter Ammeter High rate discharge tester Vaseline or grease A live vehicle Armature Growler Warm Water Battery post cleaner Weeks Specific Learning Outcome Teachers activities Resources f Maintain battery terminals post and logs using warm water and Vaseline to prevent corrosion g Fix and secure battery to the chassis with the appropriate private securing straps h Check the following for correct operation and out put i warning light Demonstrate each practical for the Kick starter ii drive belt tension students to learn Voltmeter iii terminals and cable Students to practise till they become Ohmmeter connection for continuity competent Ammeter with iv circuit resistance Assess the students shunt v control box regulation Armature voltage regulator Growler vi diodes Live vehicle vii surge protection devices and relay clean motor ventilation slots viii Ammature and brushes for continuity ix Generator output D C and A C X Generator field current 5 6 DC generator xi Alternator rotor coil rectify pack sensing diodes 1 2 Rectify faults and fit replacement units 1 3 Determine serviceability of components 1 4 Bench test a D C generator dynamo b A C generator alternator c Control box dynamo d Regulator assembly 85 Weeks Specific Learning Outcome Teachers activities Resources 1 5 Determine wear on dri
10. Explain possible methods of adjustment for each of the steering system Assess the students 74 Course Suspension Steering and Braking Week Week 8 9 PROGRAMME NTC IN MOTOR VEHICLE MACHANICS WORK Systems Course Code CMV 15 Contact Hours 8hrs week General Objective 2 0 Understand the basic principles of steering Construction and carry out necessary repairs adjustment to its units Specific Learning Outcome 2 10 Describe the action of the main types of steering gear box in use today e g a Worm and sector Screw and nut Cam and peg b C d Worm and roller e Rack and pinion f Recirculating balls Teachers Activities Resources do General Objective 3 0 Understand the functions of the components parts diagnose and rectify faults in hydraulic air vacuum and mechanical brakes Specific Learning Outcome 3 1 State the various types of braking Explain with the aid of diagrams the Systems a Air b Servo assisted and hydraulic c Drum and disc brakes d Parking brakes 3 3 Explain the basic concept of friction and its applications on braking system 3 4 State the working principles of exhaust braking system 3 5 Describe the operation of hydraulic braking system 3 6 Explain the concept of friction and co efficient of friction and performance of braking effort on different surfaces and in various weather conditions 3 7 Calculate stopping distance of vehicle Teache
11. Set of flat round half round and triangular files Set of warden files Flat chisels Cross cut chisels Diamond point chisels Set of pin punches parallel and taper Hollow punches of various sizes Ball pein hammesr Plastic hammers mallets Hacksaws with extra blades 300mm engineers rule Centre punch 6 32mm socket spanner sets with ratchet brace extension U J and handles 6 32mm open and flat spanners 6 32mm ring spanners Emery stone block or cloth Plug spanners Magneto spanners Allen keys Philips screw drivers Feeler gauges Oil cans Grease guns Mole grip Minimum Quantity Available Additional Quantity in Workshop 4 Quantity Required Required 3 5 10 each 10 sets 10 10 10 10 each 10 each 10 10 10 10 10 10 10 sets 10 sets 10 10 10 10 sets 10 sets 10 10 10 10 116 S No 1 25 26 27 28 29 30 31 e Io R2 N Ooloc RIOo N Tools Equipment Minimum 2 Quantity Required 3 File card or cleaner 10 Spark plug files 10 Combination pliers 10 Long nose pliers 10 Wire cutter and stripper 10 Tyre pressure gauges 10 Metal scrappers 10 DRILLING AND SCREW CUTTING Electric Hand Drill 2 Drill bits 3 sets Set of stock and dies UNC UNF and 2 sets metric Taps and wrenches UNC UNF and metric 2 sets Thread file 2 Roller type thread restorer 2 Screw stud extractor set 2 MEASURING TOOLS Vernier caliper 5 Vernier calipers with clock 5 Surface
12. Transparencies their advantages and of each coupling Propeller shaft State the disadvantages one has over Universal joints the other and state their differences Constant velocity Explain the torque tube features and the joints reason why they are used on some vehicles With the aid of sketches explain the layout and operation of the various parts of the transfer box Assess the students 102 PRACTICAL ACTIVITIES General Objective At the end of this module each student should be able to carry out maintenance repair work on the transmission system Week Specific Learning Outcome Teachers Activities Resources Identify and use various tools and equipment used Demonstrate each practical Lesson Plan for removal and repair of automatic transmission for the students to follow Live vehicle system Ensure that the students Engine analyzer Remove gearbox unit from vehicle use the correct tools Tools box Dismantle gearbox and assess wear on the Ensure that the students Oil components work according to the correct Paraffin Fit replacement units and carry out necessary standard practice Propeller shaft adjustment Ensure and encourage safe Universal joints Road test completed job for efficiency working Automatic Repair multiplate and centrifugally operated clutch Students should be allowed transmission Adjust multiplate clutch for correct operation to practise till they become e Double r
13. graduation Torque wrench dial type metric Hydraulic nipple forming tool Flaring tool for steel tubing Small bore pipe bending tool Carburetor service kit Piston ring compressor Exahust gas analyzer Axle stands OTHER UTILITIES Fire extinguishers Sand buckets Water buckets First aid box 120 2 2 2 2 NS NO IN o N N BRL RL AR Quantity Available Additional in Workshop 4 Quantity Required 5 List of Participants UNESCO NIGERIA PROJECT IN SUPPORT OF REVITALISATION OF TECHNICAL AND VOCATIONAL EDUCATION TVE IN NIGERIA PROJECT TEAM MEMBERS S No NAME DESIGNATION 1 Engr Dr Nuru A Yakubu National Project Coordinator amp Executive Secretary NBTE 2 Dr M S Abubakar Technical Coordinator 3 Engr S C Odumah Curriculum Development Coordinator 4 Mr B N Niriyus Staff Development Coordinator 5 Engr Dr S N Mumah Information amp Communication Technology Coordinator 6 Isa Alhaji Sulaimanu Project Accountant 7 Mal A D K Muhammad Project Officer FIRST REVIEW for NTC AN ANTC MOTOR VEHICLE MECHANIC WORK S NO NAME ADDRESS 1 Usman Yunusa Kano State Science amp Technical Schools Board P m B 3147 Kano 2 John O Ochedikwu Govt Technical College PMB 102036 Makurdi Benue State 3 Emmanuel O Ogwu Training Department Mercedes Benz Anammco Ltd PMB 2523 Enugu 4 Lawrence Lawal Kwara State Polytechnic PMB 1375 Ilorin 5 Jyn Adoo National Board for Technical Education Kaduna
14. operation of the diesel engine the 4 stroke cycle and 2 Chalkboard 3 2 Explain the concepts of stroke cycle principles of Diesel engines pressure negative and operation of diesel engine Feeler gauge assorted hand tools positive and relationship Explain the concepts of and equipment between volume and pressure negative and pressure positive and relationship Vas 3 3 Explain the working of the between volume and fuel injection system pressure 3 4 Observe the need for Draw and explain the correct engine valve clearance functions of the fuel injection setting to minimize engine component parts noise State procedure for accurate valve setting to maker s specifications Assess students General Objective 4 0 Understand the fuel injection bleeding procedure Week Specific Learning Outcome Teachers Activities Resources 4 1 Explain the purpose of Define the term bleeding and Injection pump bleeding a diesel engine and jexplain why it is necessary to Fuel lift pump 13 how the presence of air in the carry it out Live diesel engine fuel system affects the Assess students spanners and screw drivers performance of an engine General Objective 5 0 Understand the working principles of different types of fuel injection pumps and governors Week Specific Learning Outcome Teachers Activities Resources 5 1 Describe the common List diesel engine common Lesson plan faults and symptoms attributed faults and symp
15. A C and D C 2 2 Explain the principles of commutation rectification and regulation of electricity 2 3 Explain the principles of operation of semi conductor devices Teachers Activities Resources Explain the process of generating Lesson plan electric current using electro magnetism in Chart A C and D forms Chalk board Explain how the commutators are used Alternator to rectify current output from the dynamo Volt meter Explain the function of a regulator Ammeter Dynamo Describe how the semi conductor Semiconductor functions Assess the students 80 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK Week Week Week COURSE AUTO Course Code CMV 16 Contact Hours ELECTRICITY ELECTRONICS 8hrs week General Objective 3 0 Understand the operation of the Starter motor Diagnose and effect repairs to a faulty one Specific Learning Outcome Teachers Activities Resources 3 1 State the principles of operation With the aid of sketches explain the Lesson plan of the starter motor operation of the starter motor Charts 3 2 Explain the principle of electro Explain how magnetism is produced Armature Growler magnetism using electric current Ammeter 3 8 Describe the part played by Explain how magnetic field helps in Voltmeter electro magnetic induction in the generating currents e Starter motor conversion of electrical energy to With the ai
16. Course CMV 11Code Contact Hours 8hrs week Course Specification Theoretical Content General Objective 1 0 Understand General Safety precautions Specific Learning Outcome 1 1 Apply safety and use service manual and service tools correctly with particular attention to a workshop manual and tools b Service manual and tools c Job completion to manufacturers specifications d Use special techniques where applicable Teachers Activities Explain the use of correct grooming safety wear in the workshop Use charts and drawings to remind students of safety Explain the importance of using workshop service manual for correct adjustments and detailed technical information Resources Lesson plan Charts Workshop Manual Chalk Board Chalk General Objective 2 0 General Objective Understand the basic working principles of a petrol engine and restore it to peak performance Specific Learning Outcome 2 1 Explain in detail the working principles of petrol engine e g two stroke and four stroke cycle engine 2 2 Explain the types and function of all types of piston rings and gudgeon pins used on a motor vehicle engine 2 3 State the difference between two stroke and four stroke engines 2 4 Explain the principles of operation of different types of carburetors used in motor vehicles Teachers Activities Describe the action of the main components of the four stroke cycle en
17. S A E oil grade State the importance of lubrication charts State types of oils for gearboxes as distinct from engine oils Assess the students Explain the principles of spur gears Lesson plan helical gears epicyclic gears Different types of Assess the students gears or models Chalk board Wall charts 66 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE TRANSMISSION Course Code CMV 14 Contact Hours 8hrs week General Objective 3 0 Understand the procedure for assembling gear and selector mechanism to manufacturer s specifications Week Specific Learning Outcome 3 1 Explain the basic principles of gearing 3 2 Sketch various layouts of gear trains 3 4 Sketch in good proportion the layout and construction of the component parts of chassis suspension and steering system 3 5 State the purpose of locking and 5 6 interlocking devices in the selector mechanism 3 6 State the function of final drive gears and differential assembly Teachers Activities Illustrate motion transmission by gearing Explain different types of gearing system Show by sketching simple gear train compound gear train gear reverse mechanism Explain and demonstrate the importance of proportional sketches of vehicle parts Sketch chassis layout suspension and steering systems Sketch gear layout in gearbox Explain the gear selector mechanism i
18. Specific Learning Outcome 3 1 Explain the basic principles of inlet and exhaust valves 3 2 Explain the layout of various engine valve gear arrangements e g overhead side and over head value Teachers Activities Resources e Discuss the functions and Inlet valves operation of the inlet and Exhaust valves exhaust valves Explain with the aid of sketches the valve train and the methods of driving the Camshaft Assess students 43 PROGRAMME NTC MOTOR VEHICLE MACHANICS WORK PROGRAMME Course PETROL ENGINE Course CMV 11Code Contact Hours 8hrs week Week 7 12 Week 13 17 MAINTENANCE General Objective 4 0 Recondition the fuel system of a motor vehicle Specific Learning Outcome Teachers Activities Resources 4 1 With the aid of sketches Discuss the major Lesson notes describe the general working components of the fuel Chart principles of the fuel system of system and their functions Overhead projectorand a motor vehicle e g fuel tank fuel pump fuel transparencies 4 2 Explain the principles and filter and carburettors Chalk board functions of a simple and multi e Explain the types of Chalk Jet carburettors carburettors and the way they Models of Carburettors 4 3 With the aid of sketches function giving examples of explain the methods of mixture the applications of each correction and slow running Explain the operation of the devices two carburetors and th
19. Theoretical Content General Objective 1 0 On completion of this module the trainee should be able to understand the layout of the chassis in relation to frame and fixing suspension and steering and rectify faults attributable to chassis layout Week Specific Learning Outcome Teachers Activities Resources 1 1 State the principles of chassis With the aid of diagram explain the Lesson notes layout and sketch the layout chassis layout Charts 1 2 Explain the basic working Explain the operations of various types Chalk board principles of various types of of suspension used on motor vehicles Chalk suspension system Explain various types of suspension Lesson plan 1 3 Identify the suspension used in system and on the type of vehicles they Leaf spring various makes of vehicle e g are used Dampers pneumatic hydraulic laminated Explain the types of suspension systems Coil Spring 1 2 spring coil spring tortion bar and used on a Front wheels b rear wheels Laminated Spring bonded rubber suspension unit Describe the various types of springs Torsion bar 1 4 With the aid of sketches explain employed on suspension system Independent Front the construction and functions of the Use sketches to show details of the parts Suspension following Independent front e State advantages and disadvantages of Independent Rear suspension air suspension rubber solid beam suspension and independent Suspension susp
20. Week Specific Learning Outcome 2 1 Describe the operation of constant load and bulk ring type of synchromesh device 2 2 State reasons for the use of helical gears in the gear box and the solution of problems arising from 2 them 2 3 State types of bearings used ina gear box a to absorb end thrust b to support gears in casing 2 4 Describe a gear control mechanism and its operation 2 5 State the reason for the utilization of the remote control mechanism 2 6 State the purpose of overdrive 3 units 2 7 Describe the operation of two speed transfer box in a rear wheel drive only b four wheel drive Teachers Activities Explain the operation of the constant load and baulk ring synchromesh devices state the reason why the constant load is no longer in used Discuss the various types of gears that can be used in the manual type gearbox e g helical gears State their faults and possible remedies Explain the type of bearings that can absorb various load imposed by the actions of the gears Assess the students Explain with sketches the gear control mechanism and its operation Discuss the need for remote control mechanism and state some of its advantages Discuss the functions and advantages of overdrive units Explain the operation and the need to have a transfer gear box on the vehicle transmission system Assess the students 100 Resources Ove
21. c Whitworth and British fine threads d British Association BA thread e British Standard pipe f Square thread g Acme thread h Buttress thread 5 2 Sketch and state the functions of a taps taper tap second tap plug b tap wrench c die and die stock 5 3 Explain the meaning of tapping size or tapping drill and estimate its value in given situations using formulae such as T D P Where T tapping diameter D thread top diameter P pitch Teachers Activities Resources Give detailed notes with Diagrams charts of thread diagrams that will show the forms various forms of trade and Parallel reamers taper their uses reamers twist drills Prepare notes that will state the functions of taps tap wrench die and die stock Give detailed notes that will explain the meaning of tapping size or tapping drill and estimate its values using the formula T D P Where T tapping diameter D thread top diameter and P Pitch 21 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT Course General metal Work PRACTICE Course Code CME 11 Contact Hours 7hrs wk General Objective 5 0 Understand the applications of various types of screw threads rivet and cut screws by hand Week Specific Learning Outcome 5 4 State precautions to be taken when taping on the bench 5 5 Describe and differentiate types of rivets e g Snap and pan head mushroom and counter sunk he
22. the trainee should be able to 1 Understand the principles of clutch operation diagnose clutch faults and carry out repairs or replacements of clutch assembly 2 Understand the principles of synchronization and carry out major repairs on units of gearboxes 3 Understand the procedure for assembling gear linkages and selector mechanism to manufacturers specification 4 Understand the principles of operation of propeller drive shaft reconditioning propeller drive shaft joint couplings and center bearings 5 Understand the principles of operation of final drive and differential assembly and carry out its reconditioning 6 Understand the principles of operation and function of multi drive axles and four wheel drive 64 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE TRANSMISSION Module Specification THEORY Week Course Code CMV 14 Contact Hours 8hrs week General Objective 1 0 Understand the principles of clutch operation diagnose clutch faults and carry out repairs or replacements of the clutch assembly Specific Learning Outcome 1 1 Explain the construction and operation of the single and multiplate clutch system 1 2 Identify and state the characteristics various types of clutches used in motor vehicles e g single and multiplate clutches Hydraulic clutches etc 1 3 Explain the disengagement process of clutches by mechanical and hydraulic means 1 4 Sketch
23. Assess the students General Objective 3 0 Machine Tools Specific Learning Outcome 3 1 Setting up and operate a drilling machine in given situations Note Setting up drilling machine should include a change of spindle speed a adjustment of drilling table to required height and angle to required height and angle holding of work on drilling table using appropriate clamping devices b Install the drill bit in chuck 3 2 Sharpen a twist drill currectly to manufacturer s specification 3 3 Perform with facility the following operations a drilling blind holes b drilling round stock c counterboring and counter sinking d drilling large diameter holes Assess the students Teachers Activities Demonstrate how to set up and operate a drilling machine in given situation e Students to practise till they become competent Demonstrate how a twist drill can be sharpened correctly Demonstrate with the appropriate facility how to perform all the drilling operations Students to practise till they become competent Give notes as well as demonstrate the operation sequence in cutting internal through and blind and external threads by hand method Demonstrate how riveting can be done and let the students practice same till they become competent 11 Resources Resources Bench drill pillar drill drill bits Bench drill pillar drill twist drill flat drill counter sink drill counterbore dri
24. CMV 11Code MAINTENANCE Contact Hours 8hrs week General Objective 6 0 Understand the working principles of engine cooling system and restore a faulty cooling system to acceptable standard of performance Specific Learning Outcome Teachers Activities 6 1 Explain the working Explain the thermosyphon principles and the functions of and the pump assisted the cooling system of an cooling system engine e g water and air Explain the function of main cooling system components of the air cooled 6 2 Describe the main features engine Resources Lesson notes Chart Models Chalks Board Overhead projector and Transparencies of the air cooled and water cooled engine 6 3 Explain how heat is dissipated in the air cooled engine 6 4 List the faults attributable to air cooled engine and how to rectify those faults 6 5 Draw a fan used in air cooling assembly 6 6 Explain the working Principles and testing techniques of thermostat immerse a thermostat in hot and or cold water and watch reaction 6 7 Explain the functions of the different types of water pumps 6 8 State the principles and action of impeller and pressurized cooling system 6 9 Explain the temperature control of the cooling system Discuss the role of a blower and fins attached to the sleeves of the air cooled engine Explain air cooled engine faults and their remedies Draw a fan used in air cooling assembly Describe th
25. Describe the system using Suction Assess the students Transparencies Throttle Valve STV and Thermal With the aid of diagrams explain Chalkboard expansion valve TXV the operation of both TXV POA value 3 3 Discuss the roles played by Evaporator Thermal Expansion Valve and VIR value Pressure Regulator EPR valve in the STV Suction Throtle Valve TXV value 6 9 system chryster With the aid of sketches explain STV value 3 4 Describe the various system component listed below a Compressors b Condenser c Evaporators d Accumulators e Expansion tube f Receiver Dehydrator the function of the Evaporator Pressure Regulator in the system Explain the function and characteristic of the components List them in their order of connection in the system Assess the students 109 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE AUTOMOTIVE AIR CONDITIONING Course Code CMV 23 Contact Hours 6hrs week General Objective 4 0 Understand the general Maintenance process of automotive air conditioning Week Specific Learning Outcome 4 1 Explain the process of maintaining the system stability 4 2 Describe the operation of the system service valves 4 3 Explain the process of discharging evacuating air conditioning system 4 4 Explain the process of charging the air 10 12 conditioning system 4 5 Describe the importance of testing the performance of the syst
26. SAG so that students can check their own mastery of the subject 11 Accurate instructions should be given for any practical work having first conducted the practical to check that the instructions do indeed work 12 The books must have a proper index or table of contents a list of references and an introduction based on the overall course philosophy and aims of the syllabus 13 Symbols and units must be listed and a unified approach used throughout the book 14 In case of queries regarding the contents of the books and the depth of information the author must contact the relevant curriculum committee via the National Board for Technical Education 113 15 The final draft version of the books should be submitted to Nigerian members of the curriculum working groups for their comments regarding the content in relation to the desired syllabus 114 List of Books and References 1 Motor Vehicle Technology and Practical Work by Dolan 2 Fundamentals of Motor Vehicle Technology by Hillier 3 Technology for Motor Mechanics 1 5 By S C Mudd 4 Automobile Workshop Pactice by Staton Abbey 5 Automoive Fault Tracing by Staton Abbey 115 List of Equipment MOTOR VEHICLE MECHANICS WORK TOOLS AND EQUIPMENT FOR NTC AND ANTC S No 1 OO NIJS AJS N a a ode ee el 14 15 16 17 18 19 20 21 22 23 24 Tools Equipment 2 10 tool boxes with keys each comprising one of the following items
27. The following guidelines are suggestions from the Engineering Committees to the writers of the textbooks for the new curricula They are intended to supplement the detailed syllabuses which have been produced and which define the content and level of the courses Authors should bear in mind that the curriculum has been designed to give the students a broad understanding of applications in industry and commerce and this is reflected in the curriculum objectives 1 One book should be produced for each syllabus 2 Page size should be A4 3 The front size should be 12 points for normal text and 14 points where emphasis is needed 4 Line spacing should be set to 1 5 lines 5 Headings and subheadings should be emboldened 6 Photographs diagrams and charts should be used extensively throughout the book and these items must be up to date 7 In all cases the material must be related to industry and commerce using real life examples wherever possible so that the book is not just a theory book It must help the students to see the subject in the context of the real world 8 The philosophy of the courses is one of an integrated approach to theory and practice and as such the books should reflect this by not making an artificial divide between theory and practice 9 Examples should be drawn from Nigeria wherever possible so that the information is set in a country text 10 Each chapter should end with student self assessment questions
28. be able to solve technical problems are taken as pre requisite to the trade module Evaluation Of Programme Module For the programme to achieve its objectives any course started at the beginning of a term must terminate at the end of the term Instructors should therefore devise methods of accurately assessing the trainees to enable them give the students final grades at the end of the term A national examination will be taken by al students who have successfully completed their modules The final award will be based on the aggregate of the scores attained in the course work and the national examination CURRICULUM TABLE COURSE HOURS WEEK 12 WEEKS TERM Curriculum Table NTC COURSE MOTOR VEHICLE MECHANICS WORK PROGRAMME NATIONAL TECHNICAL CERTIFICATE SUBJECT CODE CMA 10 CPH 10 CCH 10 CEN 10 CEC 11 13 ICT 11 ICT 12 ICT 13 ICT 13 ICT 14 CTD 11 CTD 12 CTD 13 CME 11 CME 12 CMV 10 CMV 11 CMV 12 CMV 13 CMV 14 CMV 15 CMV 16 CBM 10 MODULE Mathematics Physics Chemistry Eng Lang amp Com Econ Intro Computers Computer Appl Computer Appl II AutoCAD I AutoCAD II Technical Drawing Plane amp Des Geom Eng g Drawing Gen Metal Work Gen Metal Work II Serv Station Mech Petrol Engine Maint Diesel Engine Maint Engine Reconditioning Transmission Suspension Steering amp Braking systems Auto Elect Electronics GRAND TOTAL Entrepreneurship GRAND TOTAL YEAR Te
29. by doing the following Dwell tester a Change oil b Change filter c Check valve clearance d Service Carburetor Trace and repair leakages in the fuel system Overhaul the fuel pump Determine the correctness of dwell angle using Electronics equipment Rewire the ignition system Remove inspect replace and adjust fan belt Demonstrate the ability to flush a cooling system Assessment Practical takes 60 of overall assessment 48 PROGRAMME NTC MOTOR VEHICLE MACHANICS WORK PROGRAMME Course PETROL ENGINE Course CMV 11Code Contact Hours 8hrs week Week MAINTENANCE General Objective 6 0 Understand the working principles of engine cooling system and restore a faulty cooling system to acceptable standard of performance Specific Learning Outcome Teachers Activities Resources Questions which should include objectives should be drawn up from the following areas to cover the modules a Safety precautions b Principles of operation of petrol engines c Carburettor types and their functions d Ignition system e Combustion chamber designs f Fuel systems g Cams and camshafts h Cooling system i Valves and valve train 49 Diesel Engine Maintenance PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK MODULE CMV 12 DIESEL ENGINE MAINTENANCE PRE REQUISITE CME 11 CME 12 AND CMV 12 DURATION 192 HOURS GOAL This module is designed to produce a diesel engine maintenan
30. combustion process in C I engine Teachers Activities Discuss the advantages and disadvantages of the three types of petrol engine combustion chamber Explain by illustration the combustion process in a S I engine b three phases of combustion process in C I engine Assess the students Resources Chalkboard Cylinder head Complete diesel engine General Objective 7 0 Understand the principles of Crankshaft balancing and vibration damping Specific Learning Outcome 7 1 Explain the principles of crankshaft balancing 7 2 Describe the causes of crankshaft vibration 7 3 State the types of crankshaft vibration dampers 7 4 Sketch the methods of mounting types of vibration dampers crankshaft dampers 7 5 Explain reasons for use of dampers Teachers Activities Discuss in detail the principles of crankshaft balancing and why it should be balanced Explain the causes of crankshaft vibration and the purpose of dampers With the aid of sketches explain the Explain systematically how to mount crankshaft dampers Explain in detail why dampers are installed in the system Explain how vibration is dampened out Assess the students 95 Resources Lesson plan Crankshaft Chalkboard Diagrams Crankshaft Dampers Complete tool box Measuring devices PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK
31. components in good proportion in relation to various parts of the transmission system 1 5 Identify various tools and equipment used for the removal replacement and adjustment of a clutch assembly e g jigs for equalizing springs Teachers Activities Resources Explain the characteristics of the Lesson plan Wall charts Clutch models or C engines which demand the use of clutch in moving the vehicle from rest Explain the construction and action of actual single and multiplate clutch systems Chalk board State the function s of clutches Clutches Show with diagram clutch the multi single plate clutches Hydraulic clutches Materials for clutches State the advantages and disadvantages of each type Illustrate the two methods of clutch operation that is mechanical and hydraulic methods Illustrate with models the transmission from engine to the gear box via clutches Explain how clutch transmits torque from engine to gear box Use sketches to illustrate clutch mechanisms Illustrate the methods of rectifying Lesson plan Wall charts Manufacturer s different faults in clutches State the causes of and remedies for manual Chalkboard such faults as drag slip judder etc Assess the students 65 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK Week 3 4 COURSE TRANSMISSION Course Code CMV 14 Contact Hours
32. diagrams and models the Lesson plan shaft grinding process of crank shaft grinding Chalk board 4 2 Explain the sizes of bearing to fit Using the manufacturer s manual find Crankshaft what sizes of crank shafts the size of bearing to suit the crankshaft Grinding tools 4 3 Explain how to check crank shaft size service manual sizes before grinding Ask the students to chalk board 4 4 Explain how to grind crankshaft e Measure the crankshaft size using Lesson plan to appropriate sizes and fits micrometer looking up for next correct Service manual size from manual Micrometer e Demonstrate the process of mounting models Crankshaft crankshaft on the crankshaft grinding Grinding tools machine Grind to the correct size using outside micrometer to check Assess the students Course Specification PRACTICAL CONTENTS General Objective 1 0 To carryout maintenance operations in motor vehicle Specific Learning Outcome Teachers Activities Resources Check the alignment and The teacher should demonstrate each e Pistons realignment of connecting rods Demonstrate each of the practical items Gudgeon pins e Check big end bearing clearances Ensure that student use the correct tools e Feeler gauges Assemble big end bearings Use of Ensure that the students work with the e Engine blocks torgue wrench correct procedure and standard practice e Connecting rods Use instruments and special Big end bea
33. methods of sealing the motor of a wankel engine and operation of gas turbine engines Explain and illustrate the function of gas turbine Explain the advantages and Models of Gas Turbine Diagrams disadvantages as compared to other types Chalkboard of engine With the aid of a line diagram show the operation of the wankel engine sequentially Show with the aid of a sketch or Sketches show the sectional constructional details of a wankel engine explain the procedure for sealing the motor of wankel engine Explain why the motor should be sealed Assess the students Appropriate tools and equipment Lesson plan Drawing equipment Models Use training charts and engine models General Objective 4 0 Describe cams and camshaft drive arrangements for side and overhead camshafts Week Specific Learning Outcome 4 1 Sketch and label typical cam shapes 4 2 Determine variations in valve lifts and valve opening periods 11 12 4 3 Locate the drive gear to the camshaft 4 4 Explain how end float of the camshaft is controlled Teachers Activities Describe with the aid of a diagram a cam shaft and state the function of the parts Examine wear on the cam Explain the operation and purpose of valves in rotating the camshaft Explain the position and purpose of the camshaft gear With the aid of a diagram explain how the end float of camshaft is controlled 93 Resources
34. oil pump 7 4 Explain the operation of pressure relief valves 7 5 Sketch the construction of oil flow path through engine oil lubricating filters Teachers Activities Resources Explain major differences Lesson plan between full flow and by pass Chalkboard flow system of lubrication Live diesel engine with wet sump List application of each lubrication system Identify each type Draw neat diagram to explain the function of pressure relief valve Explain the need for efficient oil filtration in engines List sealing devices commonly used in automobile engines 54 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE DIESEL ENGINE Course Code CMV12 Contact Hours 8hrs week MAINTENANCE General Objective 7 0 Understand the wet sump Lubrication system Layout and methods of oil distribution Week Specific Learning Outcome Teachers Activities Resources 16 18 Week 19 20 7 6 Describe with the aid of List and explain properties of sketches the types of gasket oil and their significance and seals used in the retention Explain the causes and of engine oil effects of incorrect oil level 7 7 Explain the importance of Explain the need for strict using correct type and grade adherance to manufacturers of oil service manual on oil change 7 8 State the effect of incorrect Assess students oil level in an engine 7 9 State the sources of oil contamin
35. out tests on transistorized ignition system q Trace and rectify faults on transistorized ignition r Use Hand Held Tester HHT to trace electrical electronic faults s Use star diagnostic machine to diagnose electronic faults in vehicle t Carry out checks on High Energy Ignition system Questions which should include fill ins and objectives should be drawn up from the following areas to cover the whole modules a Safety precautions b Battery maintenance c Battery Charging process d Common battery faults e Electricity generation f Electrolyte mixing g Electrical Charging h Starter system i Cables Teachers activities Demonstrate the process of each of the items on the practical guide Students should be allowed to practise till they become competent Assess the students 87 Resources Lesson plan Relevant tools Manufacturer s manual Live vehicle Weeks Specific Learning Outcome Teachers activities j Connections k Spark plugs l Ignition system m Basic electrical wiring n Capacitors condenser o Transistors p Sensors q Measuring instruments Practical Tests should account for 60 of the overall assessment 88 Resources Major Engine Repair Work ANTC PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK MODULE CMV 20 MAJOR ENGINE REPAIR WORK PRE REQUISITES NATIONAL TECHNICAL CERTIFICATE DURATION
36. practise workshop demonstration adjust the jets to give the correct till they are competent e Practical manual live twin carburetor mixture Modern carburetor Tool box set of Calibrate inline pump and collate spanners screw drivers pumps results governors vehicle Diagnose and rectify faults mechanical hydraulic and pneumatic Conduct injector tests and collate result Remove and refit water pump pressure test system Diagnose and rectify oil lubricating faults Change engine oil and fitter Inspect vehicle for road worthiness to meet M O T requirements and prepare report Coil Ignition Remove clean and set gap on spark plugs Remove refit contact breakers and check dwell angle Tests and examinations to be set in multiple choice True False and fill in to cover broader area of the module specifications The evaluation should also include practical exercise Practical Assessment should form 60 of the overall assessment 98 Transmission ANTC PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE EMCHANICS WORK MODULE CMV 21 TRANSMISSION DURATION 72 HOURS GOAL The goal of this module is to provide the trainee with advanced skills in transmission repair work to enable him carry out repairs to fluid flywheel all types of gearboxes and other latest designs in transmission GENERAL OBJECTIVE On completion of this module the trainee should be able to 1 Underst
37. to prepare joints for 3 2 Prepare joints for welding in given welding purposes situations 3 3 Weld given components by arc or gas welding methods and state safety precautions to be observed Guide students to weld various components using both gas and arc welding processes and state safety precautions Assessment Practical 6096 of overall assessment 27 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT PRACTICE MODULE GENERAL METAL WORK II MODULE CODE CME 12 CONTACT HOURS 5hrs wk Module Specification Knowledge Requirements General Objective 1 0 Understand The Basic Principles And Processes Of Heat Treatment Of Metal Week Specific Learning Outcome 1 1 Explain briefly the structural behaviour of plain carbon steel as it is explain the structural heated from room temperature to about 10009C for a hardening b tempering c annealing d normalising 1 2 e case hardening 1 3 1 2 Explain the meaning of hardening metal work 1 2 Outline safety precautions relating to heat treatment processes And apply them in given situations In The Workshop Teacher Activities Resources Prepare detail notes that will Recommended Text books Lesson notes etc behaviour of plain carbon steel as it is heated from room temperature to about 10009C Prepare detail notes that will explain the meaning of hardening in metalwork Prepare notes that will o
38. 1 Resources Lesson plan Chalk board Overhead projector and transparencies Injector Pump and nozzle testers Lesson plan Chalkboard Overhead Projector and transparencies Injectors PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE DIESEL ENGINE Week 6 7 MAINTENANCE Course Code CMV12 Contact Hours 8hrs week General Objective 2 0 Understand the working principles of inline and rotary fuel injection pumps Specific Learning Outcome 2 1 State the working principle of in line and rotary pumps 2 2 State the need and define the process of phasing the in line pump 2 3 Describe the functions of all types of injectors 2 4 Sketch in good proportion the various component parts of the fuel injection system 2 1 Describe the provision for adjustment of the following types of governors a hydraulic b mechanical c pneumatic 2 2 Describe the method of timing in line pump on C l engine 2 3 Explain with the aid of diagrams the operations of the distributor type pump 2 4 Explain the action of the mechanical centrifugal governor in relationship to the distributor type pump 2 5 List common faults which would make mechanical governor in operative effect overhaul and repairs on them Teachers Activities Resources Lesson plan Chalkboard Overhead Projector and Explain the functions of in line and rotary pumps Na
39. 216 HOURS GOALS This module is designed to provide the trainee with more advanced knowledge and skills to carry out major engine repair work GENERAL OBJECTIVES On completion of this module the trainee should be able to 1 Understand the working principles of a twin carburettor and apply these to restore a faulty one to obtain peak performance 2 Understand the construction and operation of C I engine fuel system 3 Understand the operating principles of gas turbine engine and wankel rotary engines 4 Understand operation of cams and camshaft drive arrangements for side and overhead camshafts 5 Understand valve and valve port timing for both spark and C I engines 6 Understand the construction and operation of various types of combustion chambers 7 Understand the principles of crankshaft balancing and vibration damping 8 Understand the dry sump lubrication system crank case ventilation and action of oil pressure gauges 9 Understand the construction and action of the components in a pressurized water cooling and vehicle heating system 10 Understand the operation and wiring of the coil ignition system 89 PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE MAJOR ENGINE REPAIR WORK Course Code CMV 20 Contact Hours 18hrs week Module Specification THEORETICAL General Objective 1 0 Understand the working principles of a twin carburettor and apply these to restore a fau
40. CAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT Week PRACTICE Course General metal Work Course Code CME 11 Contact Hours 7hrs wk General Objective 3 0 Understand the selection and use common measuring marking out cutting and striking tools Specific Learning Outcome Teachers Activities Resources 3 7 Describe the functions of the various parts of a bench vice its holding power while performing various operations on such as filing tapping sawing etc 3 8 Describe and use the following tools a cold chisels flat cross cut half round diamond point b centre punch and dot punch c Scrapers flat triangular half round d power hack saw 3 9 Describe the various parts of a Show a bench vice and Bench vice hack saw and their function demonstrate the work in the Ball pein hammers and 3 10 Describe the common types of vice for filing tapping and mallets hacksaw blades their range of designing operations Cold chisels centre pitches and their applications Prepare detail notes that will punches dot punch scrapers 3 11 Show a bench vice and describe the functions ofthe power hacksaw blades demonstrate the technique of holding various parts of a bench vice Hacksaw blade work in the vice for filing tapping and its holding power while Hacksaw frame designing operations Prepare detail performing various operations Adjustable hacksaw junior notes that will describe the functions
41. CTRONICS Course Code CMV 16 Contact Hours 8hrs week General Objective 6 0 Understand the operation of the Coil Ignition System diagnose faults and rectify them Specific Learning Outcome 6 1 Explain the theory of current generation by electro magnetic induction 6 2 Describe the operation of the coil 6 3 Explain the relationship between correct gap size and dwell angle for distributor contact breaker points 6 4 Describe the action of a speed sensitive advance and retard mechanism 6 5 Describe the distribution of the high tension supply 6 5 Describe the action of the spark plug and the importance of correct gap setting 6 6 Explain the need for correct ignition timing and the effect of incorrect ignition timing 6 7 Describe and discuss the risks of accidents when working on electronic ignition system 6 8 Identify and explain the items of electrical equipment and wiring methods 6 9 Explain and show the effects of open and short circuits using a number of conductors wired in series and parallel Teachers Activities Resources e Explain with diagram how a magnetis e Lesson plan used to generate current in the engine Distributor Charts Plugs Tools Dwell meter With the aid of sketch explain the Lesson plan function of coil ignition system Overhead Explain how to set contact breaker points Projector with and how it affects the dwell angle transparencies Explain the need fo
42. ING SYSTEMS WORK Course Code CMV 22 Contact Hours 6hrs week General objective 4 0 Understand the operation principles of a power steering mechanism diagnose faults and rectify them Week Specific Learning Outcome 4 1 State the principles of operation of power steering system 4 2 Identify common faults in steering mechanism 4 3 Sketch in good proportion the layout and construction of component parts of power steering and gear assembly to Beda illustrate the oil passages in the steering shaft Teachers Activities Explain the operation of the power steering system and its requirements advantages and care Illustrate with appropriate diagrams the operation of power steering Explain common faults associated with power steering and possible remedies With the aid of sketches explain the constructional features and power steering and the fluid qualities of fluids used in the system Assess the students Resources Lesson plan Complete power steering mechanism Charts Overhead projector and transparencies Chalkboard General Objectives 5 0 Understand the working principles of power braking system and carry out repairs on it Week Specific Learning Outcome 5 1 Explain the working principles of exhaust braking system 5 2 Sketch layout of an air braking system showing the components in their relative positions 11 12 5 3 State the constructional features of power ai
43. MV 23 CMV 26 ICT 21 ICT 22 MODULE Mathematics Eng Lang amp Com Entrepreneurship Technical Report Writing Major Engine Repair Works Transmission Repair Work Chassis Suspension Steering amp Brake System Car Air Conditioning Project Adv AutoCAD Adv AutoCAD II GRAND TOTAL YEAR Total Contact Hours Hours per Term 1 Term 2 Term 3 O o nmi o O o o o o o f O oO w o o per Subject Week T IP T P 2 0 01 0 48 2 00 2 0 0 0 48 2 00 2 0 0 0 24 2 00 2 424 216 6 00 2 41 0 0 72 6 00 0 0 2 4 72 6 00 2 4 0 0 72 6 00 0 0 0 6 72 6 00 0 0 0 0 36 3 00 0 3 0 0 36 3 00 68 49 General Metal Work PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT PRACTICE Course General Metal Work Course Code CME Contact Hours 7hrs wk 11 Module Specification PRACTICAL KNOWLEDGE REQUIREMENTS General Objective On completion of this module the student will be able to 1 Understand workshop safety rules and their applications in machine shop 2 Know the physical properties manufacturing processes and applications of ferrous and non ferrous metals in common use 3 Understand the selection and use of common measuring marking out cutting and striking tools 4 Understand the basic working principles of drilling machine to and use it for various types of screw threads and rivets 5 Understand the application of various types of screw threads and rivets to rivet and cut sc
44. Models Diagram PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK Week 7 8 Week 10 COURSE TRANSMISSION Course Code CMV 14 Contact Hours 8hrs week General Objective 4 0 Understand the Principles of operation of Propeller Drive shaft reconditioning Propeller Drive shaft joint couplings and center bearings Specific Learning Outcome 4 4 Describe the types of universal joints used on a vehicle 4 6 Explain the principle of front wheel drive and its advantages and disadvantages over other arrangements 4 7 State the function of propeller shaft in transmitting power from engine to road wheels 4 7 Sketch in good proportion the various parts of the transmission system 4 8 Describe the faults in drive shaft and propeller shaft by road test and or visual inspection Teachers Activities Resources Explain with sketches the operation and function of the universal joint Explain the effects of front wheel drive Explain the advantages and disadvantages of front wheel drive With the aid of a diagram illustrate the transmission power from engine to road wheel Explain the faults that can develop from propeller drive shaft Assess the students General Objective 5 0 Understand the Principles of Operation of final drive and differential assembly and carry out its reconditioning Specific Learning Outcome 5 1 Explain the function of the differential
45. NCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE MAJOR ENGINE REPAIR WORK Course Code CMV 20 Contact Hours 18hrs week General Objective 1 0 Understand the working principles of a twin carburettor and apply these to restore a faulty twin carburetor to peak performance Week Specific Learning Outcome Teachers Activities Resources 1 8 Describe the flow and action of Explain the need for better filling of Lesson plan air in the inlet and exhaust induction system Explain the need for Chalkboard manifolds supercharging and Turbo charging Electronic 1 9 Explain the basic principles of Use appropriate visual aids to explain equipment electronic fuel inspection objectives Fuel injection 1 10 Identify main components of a Assess the students equipment fuel injection system and explain Live diesel and their functions petrol engines 1 11 State the advantages of fuel Diagrams and injection components General Objective 2 0 COMPRESSION IGNITION ENGINE FUEL SYSTEM Week Specific Learning Outcome Teachers Activities Resources 2 1 Explain the need for phasing the Explain when phasing of inline pump Appropriate inline pump becomes necessary working tools and 2 2 Explain the operation of an List possible diesel engine faults equipment e g idle maximum speed mechanical attributable to governor on a running Injection pump governor suitable for use on anin diesel engine dismantling tools line
46. ORK COURSE AUTO ELECTRICITY ELECTRONICS Course Code CMV 16 Contact Hours 8hrs week General Objective 7 0 Understand the operation of the transistorized ignition system Week Specific Learning Outcome 7 5 Describe the process of high Teachers Activities With the aid of sketches illustrate different tension capacitor magneto ignition types of high energy ignition system 7 6 State the functions of major Assess the students components of high energy ignition system such as 12 a Electronics spark control ESC b Electronic module retard EMR c Electronic spark selection ESS PRACTICAL ACTIVITIES Weeks Specific Learning Outcome Teachers activities a Diagnose common battery Demonstrate each practical for the faults and their symptoms e g students to learn cracked case undercharge Students to practise until they become b Conduct initial Battery charge competent and recharge Assess the students c Breakdown acid to obtain the correct electrolyte necessary safety precautions associated 1 4 with mixing acid to water in small proportion d Measure the specific gravity of the electrolyte using hydrometer e Measure voltage of cells on open circuit and under load using battery testing equipment e g high rate discharge tester 84 Resources Resources Battery Battery charger sulphuric Acid Distilled water Plasticlenameled bowl Hydrometer
47. Resources Lesson plan Crown wheel and pinion Diagram Chalkboard Lesson plan Measuring tools Splined shaft Chalk board Diagrams Lesson plan Live vehicle Appropriate practical tests should account for 6096 of the overall assessment marks 10 Questions should include multiple choice true false fill ins and practical tests to cover all the areas 71 Chassis Steering Suspension amp Braking System ANTC PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK MODULE CMV 15 SUSPENSION STEERING AND BRAKING SYSTEMS DURATION 96 HOURS GOAL This module is designed to produce the trainee with the theoretical knowledge and skills to carry out repairs and overhaul the suspension steering and braking systems with facility GENERAL OBJECTIVES On completion of this module the trainee should be able to 1 Understand the layout of the chassis in relation to frame and fixing suspension and steering and rectify faults attributable to chassis layout 2 Understand the basic principles of steering construction and carry out necessary repairs and adjustments to its units 3 Understand the functions of the component parts diagnose and rectify faults in hydraulic air vacuum and mechanical brakes 72 PROGRAMME NTC IN MOTOR VEHICLE MACHANICS WORK Course Suspension Steering and Braking Course Code CMV 15 Contact Hours Systems 8hrs week Course Specification
48. S MECHANICS DURATION 192 HOURS GOAL This module is designed to produce a forecourt service mechanic with a thorough knowledge of routine service and ability to carry out forecourt servicing and sales GENERAL OBJECTIVES On completion of this module the trainee should be able to 1 Understand the layout and functions of the principal components of the motor vehicle 2 Understand the sealing and locking methods seal and lock motor vehicle components parts efficiently 3 Understand the basic services involved and carry out routine maintenance on different types of motor vehicles 4 Understand the basic construction of a battery and carry out preventive maintenance 5 Understand the basic principles of the motor vehicle and carry out general maintenance work on them 6 Maintain tyres in good working condition and carry out wheel alignment 7 Understand the combustion process in spark and compression ignition engines 8 Understand service station operation procedures 9 Understand the properties of fuels and oils 10 Understand the safety precautions relating to the handling and storage of fuels and oils 30 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE SERVICE STATION MECHANICS Course Code CMV 10 Contact Hours 8hrs week Module Specification Theoretical General Objective 1 0 Understand the layout and functions of the principal components of motor Week Specific Learn
49. URSE SERVICE STATION Course Code CMV 10 Contact Hours 8hrs week MECHANICS General Maintenance a Remove and replace Teacher to demonstrate the e Live vehicles tools box burnt electric bulbs practicals for students to b Check radiator for practise till they become leaks dirt or presence of competent oil in the radiator Assess students c Check and tighten clips or replace broken radiator hoses d Inspect and remove if m necessary brake drums and brake shoes for wear and wheel cylinder for leaks then replace or repair e Check under body for possible repairs or tighten bolts and nuts for body suspension spring U bolts and exhaust system Wheel And Tyre Repairs a Vulcanize tubes and Teacher to demonstrate for e Live vehicles tools box tubeless tyres students to practise till they b Carry out wheel become competent balancing with the Assess students 1848 appropriate equipment c Check tyres for various wear and possible wheel distortion d Repair or replace distorted wheels 39 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE SERVICE STATION Course Code CMV 10 Contact Hours 8hrs week MECHANICS e Identify tyre sizes for categories of vehicles f Perform wheel jid alignment using appropriate equipment g Exchange tyre positions in the correct sequence Spark amp Compression Ignition Engine Dismantle a model engine Demonstrate for st
50. ad flat head dod rivet etc 5 6 Sketch the rivet set and state its use 5 7 Calculate the diameter of rivet and riveting allowance in given situations Teachers Activities Resources Prepare notes that will state Rivet sets drills precautions to be taken when tapping on bench Give notes and diagrams that will describe and differentiate types of rivets rivet sets and its uses and guide to calculate the diameter of rivet and riveting allowance Assess the students General Objective 6 0 Understand the ISO tolerances and fits and its application in engineering production Week Specific Learning Outcome 6 1 Differentiate between the following a nominal siz b limits upper and lower c tolerance unilateral and bilateral d fit clearance transition interference 6 2 Explain the importance of tolerance and fit in engineering production and describe briefly the ISO system of limits and fits 6 3 Determine by calculation the amount of tolerance and types of fit in given situations Teachers Activities Resources Give detailed notes that will Charts on tolerances limits differentiate between nominal and fits size limits tolerance and fits Prepare detailed note and diagrams that will explain the importance of tolerance and fits in engineering production as well as describing the ISO systems of limits and fits Give notes and explanations that will gu
51. ailable Additional in Workshop 4 Quantity Required 5 S No 1 21 22 23 24 25 26 27 28 29 30 31 o o uxoj 10 11 12 13 14 15 16 17 Tools Equipment Minimum 2 Quantity Required 3 Clutch alignment gauge Clutch set screw gauge Valve grinders Injector repair machine Injector needle service kit Hydrometers Vacuum tester Pullers different sizes Spark plug tester Work bench with vices Portable engine hoist GENERAL SERVICING amp RECONDITIONING Diesel phasing amp calibration machine Electrical test bench Cylinder boring machine with accessories and assorted tools Honing machine with accessories and assorted cutters Bottle jack hydraulic light vehicle type Bottle jack hydraulic heavy vehicle type Ram up to 6 tonne capacity Trolley jacks Dynanometer Motor scope engine analyzer Timing light Tachometer Hydraulic press Inspection pits Dwell tester Armature growler Compression gauge 119 5 2 hm amp NM NM NM Quantity Available Additional in Workshop 4 Quantity Required 5 S No 1 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 B o v Tools Equipment Minimum 2 Quantity Required 3 Ammeter Voltmeter Ohmmeter Avometer multimetre Auto Electrical system instructional chassis Valve spring compressor kit Coil spring compressor Torque wrench pre set type metric
52. and the operating principles automatic transmission gearbox 2 Understand the operation of synchromesh gear assemblies and describe the types of bearings used in them 3 Understand the construction methods and adjustments of the components of single plate multi plate and centrifugally operated clutches 4 Understand the functions and operations of double reduction final drive differential assembly diagnose faults and rectify them 5 Understand the purpose and the operation of the components of propeller and drive shafts PROGRAMME ANTC IN MOTOR VEHICLE MACHANICS WORK Course TRANSMISSION Course Code CMV 21 Contact Hours 6HRS WEEK Course Specification THEORETICAL CONTENT General Objective 1 0 Understand the Operating Principles of Automatic Transmission Gear Box Week Specific Learning Outcome Teachers Activities Resources 1 1 Explain the principles of Describe with the aid of sketches the Lesson plan operation of automatic transmission major parts of Automatic transmission and Chart how they function Automatic Explain the concept of automatic transmission transmission List the advantages and disadvantages of automatic transmission Assess the students 99 PROGRAMME ANTC IN MOTOR VEHICLE MACHANICS WORK Course TRANSMISSION Course Code CMV 21 Contact Hours 6HRS WEEK General Objective 2 0 Describe the Operation of Synchromesh Gear Assemblies And Describe The Type Of Bearing Used In them
53. arry out its reconditioning Teachers Activities Explain the process of calculating the pre load torque Explain the principle of operation of the final drive and differential Explain the final drive system used in heavy commercial vehicles Assess the students Resources General Objective 6 0 Understand the principles of operation and function of multi drive axles and four wheel drive Teachers Activities 7 1 Explain the operation of a double Illustrate the double reduction type axle reduction axle and other axle drives involving worm and wheel 7 2 Describe the method of adjustment and maintenance of a maintaining a multi drive axle With the aid of neat sketch illustrate the 6 3 Draw the layout of the four wheel principle of four wheel drive multi drive axle drive Illustrate with sketches the operation of 12 6 4 Explain the operation of the four four wheel drive wheel drive 6 5 Describe the necessary wheel drive adjustment and repair on a four wheel drive 6 6 State the materials used for axle shafts shafts Assess the students 69 Illustrate the method of adjusting and Explain the method of adjusting the four of materials used for manufacture of axle Resources Lesson plan Double reduction axle Lesson plan Manufacturers manual Chalk board Lesson Plan Wall chart or diagram State and explain the reasons for choice Chalk board M
54. ation and the necessity of regular renewal of oil on a time or mileage basis General Objective 8 0 Understand the dry sump lubrication system Crankcase ventilation and the action of pressure gauges and oil warning lights Specific Learning Outcome Teachers Activities Resources 8 1 Explain the operation of e Explain in details the Lesson plan dry sump lubrication system construction and operation of e Chalkboard Dry sump lubrication Dry sump engine With neat sketches explain the principle of dry sump lubrication Ask questions on lubrication System in general Illustrate with sketch crankcase oil ventilation 8 2 Draw a line diagram ofa Ask students to draw oil dry sump warning light circuit oil 8 3 Explain the need for pressure switch and describe crankcase ventilation system the principles of oil cooler 8 4 Sketch a typical crankcase Assess the students ventilation system 55 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE DIESEL ENGINE Course Code CMV12 Contact Hours 8hrs week Week Week 21 22 MAINTENANCE General Objective 8 0 Understand the dry sump lubrication system Crankcase ventilation and the action of pressure gauges and oil warning lights Specific Learning Outcome Teachers Activities Resources 8 7 Explain with the aid of a sketch the operation of an oil pressure gauge 8 6 Draw a line diagram of an oil warning light circuit
55. ation of the transistorized ignition system diagnose faults and rectify them 79 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK Week Week COURSE AUTO ELECTRICITY ELECTRONICS Course Code CMV 16 Contact Hours 8hrs week Module Specification Theoretical Content General Objective 1 0 Understand the principles of electricity generation as applicable to automobiles diagnose faults and effect repairs to batteries Specific Learning Outcome Teachers Activities Resources 1 1 Explain the principle of electricity Describe the process of current Lesson plan generation and electrolysis generation in both A C and D C Battery chemistry of reaction in a lead acid generators Battery charger battery e g vehicle battery 1 2 Explain storage procedure for batteries Explain the chemical reaction that take Volt meter place during charge and discharge Hydr meter processes in the battery Emphasize basic 12 13 Spanner battery maintenance Charts Explain the process of storing electricity Sulphuric acid in chemical form and physical storage of Distilled the battery Assess the students General Objective 2 0 Understand the procedure for effective maintenance and repairs of all units of charging system in a motor vehicle without supervision Specific Learning Outcome 2 1 Explain the principles of electromagnetism in action and generation of electricity
56. ature change Explain the purpose of additives in engine oil 7 9 Sketch lubricating System of an engine and show all the important points of lubrication 35 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE SERVICE STATION Week Week 21 MECHANICS Course Code CMV 10 Contact Hours 8hrs week General Objective 8 0 Understand Service Station Operation Procedures Specific Learning Outcome 8 1 State the features applications and properties of fuels lubricants tyres batteries and vehicle accessories 8 2 Explain forecourt procedure 8 3 Operate forecourt equipment such as battery charger air compressor water compressor vehicle light beam setter etc Teacher s Activities Resources List service station Lesson plan equipment Chalkboard Explain functions of a Poster Charts hand tools service station List services offered at service station Explain forecourt procedure Battery charger Demonstrate the use of Beam setter etc battery charger beam setter etc General Objective 9 0 Understand the properties of fuels and oils Specific Learning Outcome 9 1 Define the following properties of fuel and oil viscosity index volatility flash point cloud point composition calorific value cetane rating octane rating oil additives Teacher s Activities Resources Define properties of fuel Lesson plan Define pr
57. be able to 1 Understand the characteristics of various types of tractor trailer couplings and effect repairs on them 2 Understand the operations of a power take off PTO system and carry out repairs and maintenance to it 3 Understand the working principle of both hydraulic and airsuspensions 4 Understand the principles of operation of a power steering mechanism diagnose faults and rectify them 5 Understand the working principles of power air braking system and carry out repairs on it 104 PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS COURSE CHASSIS STEERING SUSPENSION AND BRAKING SYSTEMS WORK Course Code CMV 22 Module Specification THEORY Contact Hours 6hrs week General Objective 1 0 Understand the Characteristics of various types of tractor trailer couplings and effect repairs on them Week Specific Learning Outcome 1 1 Identify and state the characteristics of various types of tractor trailer couplings e g semi automatic and landing Identify various tools and equipment used for Teachers Activities Explain coupling devices State the functions of automatic and semi automatic couplings Explain the advantages and disadvantages of automatic and semi automatic coupling List advantages of universal joints in transmitting torque Resources Lesson plan Chalkboard Overhead and Projector Transparencies Posters Tracto
58. c Learning Outcome Teachers Activities 10 1 Sketch and label a typical Explain the functions of valve timing diagram for spark valves valve construction and ignition engine valve timing 10 2 Distinguish valve timing Explain the effects of 10 3 diagram for compression on engine performance ignition engine with that of Ask the students to describe Resources Lesson plan Chalkboard Overhead projector and transparencies Inlet valves Exhaust valves 23 spark ignition engine the following valve overlap Valve timing diagrams 10 3 Describe the following valve lead valve lag terms a Valve overlap b Valve lead c Valve lag General Objective 11 0 Understand the principles of crankshaft balancing and vibration damping Week Specific Learning Outcome Teachers Activities Resources 11 1 Explain the principles of State the functions of Lesson plan crankshaft balancing crankshaft and the need for Chalkboard 11 2 Describe the causes of engine crankshaft balancing Crankshaft T crankshaft vibration List instruments available for Measuring tools e g gauge 11 3 Sketch the method of crankshaft alignment checks mounting crankshaft damper State effects of unbalanced crankshaft Assess the students 1 1 Diagnose faults by running e Demonstrate faults Lesson plan engine on road test diagnosis clean and service e Chalkboard 1 2 Remove injector assembly linjector pumps and nozzles Over
59. ce craftsman who will be able to carry out general maintenance work to a fuel injection system and other diesel engine components GENERAL OBJECTIVES On completion of this module the trainee should be able to 1 Understand the operations of the compression ignition engine and carry out repairs of the components of fuel delivery system 2 Understand the working principles of inline and rotary fuel injection pumps effect overhaul and repairs on them 3 Understand the working principles of a diesel engine and carry out engine tune usand test for efficiency 4 Understand the fuel injection bleeding procedure 5 Understand the working principles of different types of fuel injection pumps and governors 6 Understand the constructional differences between petrol and C I engine main component parts 7 Understand the engine wet sump lubrication system layout and methods of oil distribution 8 Understand the dry sump lubrication system crank case ventilation and the action of pressure gauges and oil warning lights 9 Understand the cams and camshafts drive arrangements for side and overhead camshafts 10 Understand the valve and valve port timing diagrams for both spark and compression ignition engine 11 Understand the principles of crankshaft balancing and vibration damping 50 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE DIESEL ENGINE MAINTENANCE Course Code CMV12 Mo
60. cesses of routine vehicle maintenance 12 Teacher s Activities Resources Introduce and list basic Manufacturers processes of routine vehicle specifications recommendations maintenance Explain causes of leakages in brake and clutch pipelines Check burned electrical components Explain causes of radiator leakage Explain method of replacing fan belt Explain causes of brake defects Assess students General Objective 6 0 Maintain tyres in good working condition and carry out wheel alignment Week Specific Learning Outcome 6 1 Explain markings and codes on tyres e g load speed ratings tyre size aspect ratio 6 2 With the aid of sketches identify tyre construction e g radial bias belted 6 3 Identify different tyres of wheel and wheel construction 13 14 e g split rim well tyre etc Explain reason for well 6 4 List materials used in wheel manufacture and explain reason 6 5 Explain procedure involved in tyre removal and refitting Identify safety aspects Teacher s Activities Resources Explain with appropriate aids Tyres and appropriate teaching Ask students to explain materials topics Assess students 34 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE SERVICE STATION MECHANICS Course Code CMV 10 Contact Hours 8hrs week General Objective 7 0 Understand the combustion process in spark and compression ignition engines Week Sp
61. cessfully completed three years of Junior Secondary education or its equivalent Special consideration may be given to sponsored candidates with lower academic qualifications who hold trade test certificates and are capable of benefitting from the programme ADVANCED CRAFT PROGRAMME Candidates should possess the National Technical Certificate or its equivalent and should have had a minimum of two years post qualification cognate industrial experience THE CURRICULUM The Curriculum of each programme is broadly divided into three components a General Education which accounts for 30 of the total hours required for the programme b Trade Theory Trade Practice and Related Studies which account for 65 and c Supervised Industrial Training Work Experience which accounts for about 5 of the total hours required for the programme This component of the course which may be taken in industry or in college production unit is compulsory for the full time students Included in the curriculum is the teacher s activity and learning resources required for the guidance of the teacher Unit Courses Modules A Course Module is defined as a body of knowledge and skills capable of being utilized on its own or as a foundation or pre requisite knowledge for more advanced work in the same or other fields of study Each trade when successfully completed can be used for employment purposes Behavioural Objectives These are educational objectives w
62. d be made on brake cylinder system The qualities of brake fluid used c Single and multi Explain the need to balance vehicle piston types of wheels why correct tyre inflationary hydraulic wheel pressure should be used cylinder Explain the different sizes of tyres and 3 8 Sketch various layout of braking the way they are constructed e g Radial system and component parts in detail ply Cross ply and Steel belted 3 9 State safety precautions Assess the students associated with brake fluid and its effect on body works e g paint and upholstery 3 10 State the properties of good brake fluid 3 11 Explain the process and carry out wheel balancing 3 12 Explain the basic construction of tyres and different tyre sizes 76 Week PRACTICAL ACTIVITIES Specific Learning Outcome Teachers Activities 1 1 Select tools and equipment for e Demonstrate each practical for the various repair and adjustment students to learn operations related to chassis Ensure that the students use the correct Suspension and steering work tools 1 2 Conduct routine maintenance Ensure that the students work according and mechanical adjustment on to the standard practice suspension system component parts Encourage safe working procedure e g Shock absorbers ball joints Students to practise they are until they Springs suspension arms links are competent bushings and joints 1 3 Conduct simple chassis adjustment checks a Ass
63. d of sketches explain the mechanical energy various types of starter system available 3 4 Sketch the various types of explain starter motor common faults starter motor system Assess the students General Objective 4 0 Understand the operation of all Electrical Components of a vehicle trace and rectify faults in them Specific Learning Outcome Teachers Activities Resources 4 1 State the principles of light Explain how to set headlamp beam Lesson plan reflection and refraction characteristics of various types of lamp Chalkboard 4 2 State the characteristics of unit various types of lamp unit e g sealed beam flash unit General Objective 5 0 Understand the Wiring Diagrams of a motor vehicle and be able to use such diagrams symbols and signs as an aid in rewiring a faulty system Specific Learning Outcome Teachers Activities Resources 5 1 Identify the symbols used in e With the aid of sketches show common Electrical symbols electrical wiring electrical symbols with reference to 5 2 Interpret wiring diagrams of an automobile automobile Explain a wiring diagram as it applies to 5 3 Interpret the various systems of the motor vehicle wiring e g insulated and earth return Explain the advantages and system disadvantages of earth return and insulated return systems Assess the students 81 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK Week COURSE AUTO ELECTRICITY ELE
64. dule Specification THEORETICAL CONTENT Week 1 2 Contact Hours 8hrs week General Objective 1 0 Understand the Operations of the Compression Ignition Engine and carry out repairs of the components of fuel delivery system Specific Learning Outcome 1 1 Describe the Pump room and test equipment observing the safety and health Precautions associated with fuel oil testing Procedure 1 2 Explain the Principles of atomization and how this is used in motor vehicle engine 1 3 Explain the types and functions of the combustion chamber as related to compression ignition engine 1 4 Explain the characteristics of various types of nozzle design and Pressure breaking Points of injector nozzles 1 5 Identify and correctly use the various tools and equipment for removing assembling adjustment and testing of injectors Teachers Activities Explain Pump room machines e g Injector pump tester nozzle tester a State the necessary safety precautions to be observed when handling diesel fuel Explain atomization as related to motor vehicle engine Assess students Explain the functions and types of combustion chambers With neat diagrams illustrate characteristics of various types of nozzle designs and pressure breaking points of injector nozzles Explain the uses of various types of tools and equipment for testing injectors Ask questions on injector testing Assess students 5
65. e and application Lesson plan 9 2 Describe the action of water of water pump Model or actual pump Explain the operation action of water pump 9 3 Sketch the construction of the pumps Sketch a typical water pump Chalkboard impeller shaft seal With the aid of sketches show the Complete engine 12 9 4 Sketch types of radiator constructional details of impeller type Complete tool box construction including methods of pump with the shaft seal Lesson plan water sealing With the aid of a diagram show the Wall chart or 9 5 Explain the action of separate constructional details of a radiator State Diagram header tanks vertical and cross flow common faults and their remedies Chalkboard tools systems and equipment 96 PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE MAJOR ENGINE REPAIR WORK Course Code CMV 20 Contact Hours 18hrs week General Objective 9 0 Understand the construction and action of the components in a pressurised water cooling and vehicle heating system Week Specific Learning Outcome Teachers Activities Resources Illustrate with sketches the action and Radiator pressure operation of separate header vertical and tester cross tanks State the use and the Complete engine re importance of the header tank Lesson plan Header tank diagram Complete tool box Chalkboard General Objective 10 0 Understand the operation and wir
66. e process of testing the thermostat for effective operations Describe the operations of the major types of water pumps in use on motor vehicle engines list cooling System faults Explain what happens to the boiling point of water when it is under pressure e g increase in pressure increases the boiling point of water Explain the operation of temperature control devices such as thermostats Radiator blinds etc 46 PROGRAMME NTC MOTOR VEHICLE MACHANICS WORK PROGRAMME Course PETROL ENGINE Course CMV 11Code Contact Hours 8hrs week Week 22 23 1 3 4 10 11 19 15 18 19 20 21 24 MAINTENANCE General Objective 6 0 Understand the working principles of engine cooling system and restore a faulty cooling system to acceptable standard of performance Specific Learning Outcome Teachers Activities Resources 6 10 Explain the concept of Explain the concept of pressure negative and pressure temperature and positive temperature and volume relationship volume relationship as related Discuss the risks and the to the pressurized cooling consequence of removing the system radiator cap when the engine 6 11 Explain the safety rules is hot associated with working on Discuss other safety cooling system measures that should be 6 12 Explain the danger in taken when working on the radiator cap when the engine cooling system is hot and under pressure Explain with the aid of which can result in scaldin
67. e slow 4 4 State the difference running circuit Mixture between constant choke and compensating jet constant vacuum carburettors Explain the choke device as 4 5 Explain the effect of dirty the cold starting aid the fuel tank on engine design of venturi and the performance and show how to direction of fuel flow into the clean the dirty tank engine Explain fuel starvation which result in loss of power and consequently lead to Road Side break down Assess Students General Objective 5 0 Understand the operation of an ignition system and carry out repair and adjustments Specific Learning Outcome Teachers Activities Resources 5 1 Explain the working With the aid of a sketch Experimental equipment in electro principles of the ignition explain the function of the coil magnetic and basic transformer system of a motor ignition system of a motor car Appropriate vehicles 5 2 Explain the action of a Also explain firing orders and Appropriate devices simple Coil ignition system firing intervals Related spark plugs advantages and Explain the operation of the Vehicles with standard ignition disadvantages Coil ignition system and system feeler gauges and dwell explain the low tension and meters high tension circuit Modern engine diagnostic equipment 44 Week 13 17 PROGRAMME NTC MOTOR VEHICLE MACHANICS WORK PROGRAMME Course PETROL ENGINE MAINTENANCE Course CMV 11Code Contact Hours 8hrs week G
68. ecific Learning Outcome 7 1 Identify the names of the main components parts of a multicylinder engine and draw line diagrams of cylinder arrangements crankthrows and vee arrangements 7 2 Explain constructional details of cylinder blocks heads and gaskets cylinder liners and sumps 7 3 Explain the working sequence of two and four stroke engine 7 4 Explain the functions of a cylinder gasket and state the faults that can occur due to 15 18 jincorrect tightening of cylinder head gasket 7 5 Explain the viscosity of lubricants its variation with temperature and viscosity index 7 6 Explain the use of additives to control detonation and deposits 7 7 Draw sketch the lubricating systems of an engine showing valve arrangements and camshaft drives fuel supply systems air and water cooling systems and circuit diagrams for ignition and starting systems Teacher s Activities Resources List parts of a 4 cylinder Complete engine engine Sketch an in line 4 cylinder and V type 4 cylinder engine Sketch cylinder head of an engine showing details and explain the importance of gasket Explain cylinder liners and their important Describe sump and state its functions State the firing orders sequences of two four six and eight cylinder engines State the importance of cylinder head gasket and list its common faults State the importance of choosing engine oil in relation to its viscosity with temper
69. ecific Learning Outcome Teachers Activities Resources 1 5 Understand appropriate procedures in the events of a workshop accident Examples of procedures may include a application of first aid to the victim b removal or rectification of the accident c reporting the accident to the appropriate authority d keeping a record of accidents for management use General Objective 2 0 Know the physical properties manufacturing process and application of ferrous and non ferrous metals in common use Specific Learning Outcome Teachers Activities Resources 2 1 Explain the meaning of the Give detailed notes and following general physical properties explanations for the topics in of metals ductility malleability 2 0 strength toughness brittleness elasticity plasticity 2 2 Describe the basic composition Give notes and specific and properties of plain carbon steels examples of tools cast iron and alloy steel and state and equipment made from their application in the engineering the various industry steels and cast iron Note Specific examples of tools and equipment made from the various steel and cast iron should be mentioned 15 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT PRACTICE Course General metal Work Course Code CME 11 Contact Hours 7hrs wk General Objective 2 0 Know the physical properties manufacturing process and application of ferrous and non fe
70. eduction Fix multi plate and centrifugal clutch to the vehicle competent differential unit Select various special tools and equipment used Assess the students for the removal and repair of double reduction final 1 2 drive assembly T Remove differential assembly dismantle clean and assess wear as Fit replacement units reassemble and adjust for correct operation T Check the electrical operations of the operated control unit and replace if faulty T Change prop shaft or joints when required EVALUATION GUIDE Questions which should include multiple choice objectives should be drawn up from the following areas to cover the module a Automatic Transmission b Syndromesh gear box c Rear axle d Differential e Over drive f Shock absorber g Propeller shafts h Constant velocity joint Practical Assessment should form 60 of the overall assessment profile while theory takes 4096 103 Chassis Steering Suspension and Braking Systems ANTC PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK MODULE CMV 22 CHASSIS STEERING SUSPENSION AND BRAKING SYSTEMS DURATION 72 HOURS GOAL This module is designed to provide the trainee with further knowledge and skills to repair and maintain chassis power steering system air and hydraulic suspensions tractor trailer coupling and power braking system GENERAL OBJECTIVES On completion of this module the trainee should
71. em PRACTICAL ACTIVITIES 1 Check belt tension and adjust if necessary 2 Check blower motor operation at all speeds 3 Discharge the system of refrigerant 4 Evacuate the system of refrigerant 1 3 5 Using the appropriate refrigerant and equipment charge the system to the manufacturer s specifications 6 Perform leakage test to determine that 8 12 the system is not leaking Use electronic leak detector 7 Detect internal leaks using electronic equipment 8 Adjust thermostat valve 9 Install air conditioning unit and test for serviceability Teachers Activities Resources Explain the importance of Serve valves maintning an efficient operation of the system Explain the operation of the system service valves and how to prevent them from breaking down Explain the process of discharging and evacuating with the appropriate equipment the system Describe the process of charging the system with correct refrigerant to the manufacturer s specifications Assess the students Demonstrate each practical Lesson plan component for the students Tool box Students to practise until they Vacuum pump become competent R 12 Assess the students Electronic leak detector Detergent Live vehicle with air conditioning system Manufacturer s manual 110 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE AUTOMOTIVE AIR CONDITIONING Course Code CMV 23 Contact H
72. eneral Objective 5 0 Understand the operation of an ignition system and carry out repair and adjustments Specific Learning Outcome 5 3 Explain the basic principles of magnetic induction and operating principle of the coil primary and secondary circuits 5 4 Explain the working principle of the ballast resistor ignition system 5 5 Diagnose the problem with automatic advance and retard mechanisms 5 6 Explain and identify the differences in spark plug heat range 5 7 Explain the term dwell angle Explain the effect of contact breaker gap on dwell angle 5 8 Explain the operating principles of the following Electronic ignition system a Capacitor discharge system b Inductive system c Computerized ignition system d Operation of ECVs Teachers Activities Resources Basic experiments in electromagnetism and performance of a transformer Compare ballast resistor system with standard coil system on vehicles Demonstrate the operating principle of automatic advance and retard devices Identify spark plugs with different heat ranges Demonstrate with appropriate equipment the effect of contact breaker gap on dwell angle and compare System on vehicles Demonstrate testing procedure using appropriate equipment Explain the purpose of each component For each system outline safety procedures 45 Course PETROL ENGINE Week 18 21 PROGRAMME NTC MOTOR VEHICLE MACHANICS WORK PROGRAMME Course
73. ension metal springs the suspension damper and the independent rear Assess the students Suspension General Objective 2 0 Understand the basic principles of steering Construction and carry out necessary repairs adjustment to its units Week Specific Learning Outcome Teachers Activities Resources 2 1 Explain the principles of steering Explain the function and mechanism of Lesson notes construction in a motor vehicle the steering system of motor vehicles Charts 2 2 Describe the steering gear layout Explain the type of steering used with the Overhead Projector of beam type axle and independent and a beam type suspension Transparencies b Independent front suspension Explain steering geometry and the effect e Chalk board 3 4 2 3 State ACKERMAN Principle in of too much or too little toe in toe out Chalk relation to steering linkage camber Caster and King Pin inclination Front wheel 2 4 Carry out steering geometry Explain Steering faults and its likely Alignment Gauge checks and adjustments e g toe in remedies toe out King Pin Inclination Camber caster etc 73 PROGRAMME NTC IN MOTOR VEHICLE MACHANICS WORK Course Suspension Steering and Braking Course Code CMV 15 Contact Hours Systems 8hrs week General Objective 2 0 Understand the basic principles of steering Construction and carry out necessary repairs adjustment to its units Week Specific Learning Outcome Teachers Activit
74. escribe common tools e g butt brazed tool tipped tool bit and holder Note Tool description should 10 include tool materials e g plain carbon steel high speed steel satellite cemented carbide diamond 8 8 Explain with sketches the functions of tool angles rake clearance and state their values for different metals to be machined 8 9 Differentiate between various tool shapes and state their uses e g Round nose rougher fine finishing side finishing knife tool form tool parting off tool boring tool etc 9 10 Explain with sketches the effects 11 12 Jof wrong setting cutting tools e g vibration and chatter tool rubbing against or digging into the job 8 11 Define cutting speed and feed with respect to lathe operation 8 12 Calculate the cutting speed and feed for given turning operation Teachers Activities Prepare notes that will list types of cutting fluid used for lathe turning operations and their composition and purposes Prepare detailed notes and explanation that will outline safety precautions common tools and materials used in marking them Give detailed notes and diagrams that will explain the functions of tool angles rake clearance stating their values for different metals to be machined Assess the students Give notes and diagrams of various tool shapes and their uses Prepare detailed notes and explanations to cover 8 10 to 8 15 Solve many proble
75. escribe with the aid of sketches the types of injector nozzles to suit direct and indirect injectors 2 12 Explain the need for cold starting devices and state the legal requirements Describe the operation of the following types of cold starting devices a Starter plugs b decompression devices c induction manifold starters d ether sprays disadvantages of direct and indirect injectors State the advantages of cold starting devices on diesel engine Illustrate each of the devices with neat diagram Assess the students 92 Contact Hours 18hrs week Resources As listed above Pneumatic governors Fuel Injection pumb Injector nozzles Cold starting devices Diesel Engine PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS COURSE MAJOR ENGINE REPAIR WORK WORK Course Code CMV 20 Contact Hours 18hrs week General Objective 3 0 Understand the operating principles of gas turbine engine and wankel rotary engines Week Specific Learning Outcome Teachers Activities Resources 3 1 Explain the operating principles With the aid of sketch illustrate the action Lesson plan of the gas turbine engine 3 2 List the advantages and disadvantages of gas turbine engines as compared to conventional engines 3 3 Explain the operational Boa sequence of the wankel engine 3 9 Sketch a sectional view of the wankel engine and label it 3 5 Describe the
76. ess wear on various types of gears of steering box in order to decide whether to change or re use b Assess wear on joints hubs stub axle and swivel pins assemblies c Renew swivel pins bushes and struts as required d Conduct steering geometry checks and adjust toe in toe out King pin inclination camber caster etc e Diagnose and rectify faults associated with the braking system e g brake failure brake seizure free play f Assess wear locate and rectify leakages in the hydraulic and air systems g Reline brake shoes replace brake pipes and carry out brake adjustments h Bleed hydraulic line to exclude air from the system TT Resources Complete tool box chassis Dial gauge External Micrometer Bushings Tool Box Alignment jig A live vehicle Brake Shoes Brake Linings Brake Fluid Live Vehicle Brake pads Week Specific Learning Outcome Teachers Activities i Adjust maintain and recondition braking system j Check airline pressure to ascertain that there are no air leakages k Test vehicle braking system when the vehicle is in stationary position l Test vehicle braking system on the road EVALUATION GUIDE Question which should include multiple choice and short essays and objectives should be drawn up from the following areas to cover the modules a Chassis and vehicle layout b Working principles of various types of suspensio
77. ferential gearing State the Explain how joint the final drive unit is lubricated and the banjo axle casing Text book take care of pressure build up in the axle e Overhead projector type of lubricant used and provision to casing Transparencies Explain the action of the differential Chart gearing during cornering and straight Chalk board motion Explain with the aid of diagram the banjo axle casing and how it differs from other casings Assess the students General Objective 5 0 Understand the purpose and the operation of the components of propeller and drive shafts 5 1 Describe the purpose of constant velocity universal joints on the drive shafts of vehicles 5 2 Describe the following constant velocity joints rzeppa tracts double hookes 5 3 Describe the followings Lay rub and rubber cruciform coupling potts joints 5 4 Explain the use on front wheel drive of Solid drive shafts tubular drive shafts 5 5 Explain the reason for the usage of torque tube drive 5 6 Describe the arrangement of drive shafts when a transfer box is fitted in transmission Teachers Activities Resources Explain the forces acting on the front Lesson plan wheel drive axle e g cornering driving and Chart Chalk board Text book Overhead projector braking forces Explain with the aid of sketches their advantages and disadvantages Explain with the aid of sketches coupling
78. g sketches the various 6 13 Draw a radiator showing components parts of the details of water passages etc radiator PRACTICAL ACTIVITIES Demonstrate each practical e Stethoscope Obey Safety rules and for the student to learn Carburetors regulations in the workshop Ensure that the students use Distributor with Contact Point Diagnose faults using listening the correct tools Screw driver and observation Ensure the observation of e Feeler gauge Diagnose faults using safety rules Engine analyzer electronics equipment Assess students Live vehicle Service carburetors mostly Timing Light used on motor vehicles Tools box Clean and set contract Condensers breaker points to Spark plugs Manufacturers specifications Wire gauge Determine the ignition point Engine oil using timing light Oil filter Carry out valve adjustment to Carburetor Maker s specifications Fuel Check and test condenser for Fuel pump serviceability 47 PROGRAMME NTC MOTOR VEHICLE MACHANICS WORK PROGRAMME Course PETROL ENGINE Course CMV 11Code Contact Hours 8hrs week Week MAINTENANCE General Objective 6 0 Understand the working principles of engine cooling system and restore a faulty cooling system to acceptable standard of performance Specific Learning Outcome Teachers Activities Resources Adjust Spark plugs to maker s Dwell meter specifications Wires Carry out complete engine Radiator tune up
79. gines State the functions of the three piston rings Explain the role of the gudgeon pin in coupling the piston and the connecting rod together Explain the constructional differences between a two stroke and a four stroke engines List the advantages and disadvantages of each engine 42 Resources Lesson notes Charts Models Overhead projector and Transparencies Chalk board Chalk PROGRAMME NTC MOTOR VEHICLE MACHANICS WORK PROGRAMME Course PETROL ENGINE Week Week MAINTENANCE Course CMV 11Code Contact Hours 8hrs week General Objective 2 0 General Objective Understand the basic working principles of a petrol engine and restore it to peak performance Specific Learning Outcome 2 5 Explain the operation and the use of contact breaker points 2 6 Describe the functions of the advanced and retard mechanisms 2 7 Explain the process of timing the valve and the ignition of an engine 2 8 Explain the general principles and types of combustion chamber designs 2 9 Draw and explain the operation of electric and mechanical fuel pumps 2 10 Draw and label a diagram showing the correct sequence of securing the cylinder head bolts Teachers Activities Resources Explain the operation of constant choke and variable choke carburettors Explain the importance of correct gap setting Assess students General Objective 3 0 Understand the working principles of valves
80. he pinion into correct mesh ensuring crown wheel and pinion into correct mesh 8 that the back lash is within specified Discuss the causes and effects of limits backlash Assess the students 14 Examine the axle shaft splines With the aid of sketches illustrate the for wear and replace shaft if method of detecting wear on splined shaft necessary Illustrate with sketches likely faults on 16 Examine hub bearing for wear hub bearings and discuss remedy replace or adjust where necessary Explain how to diagnose faults through 18 Dismantle the differential unit road test and assess the degree of wear Students should be allowed to practise 9 11 19 Replace worn parts and till they become competent reassemble ensuring that the Assess the students planetary gears are in correct mesh and within SPECIFICATIONS 20 Reassemble the differential assembly in the logical sequence Carry out the road test and compile report for rectification EVALUATION GUIDE The Teacher should carry out assessment to cover the following areas or topics 1 Different types of clutches 2 Different types of Gear Boxes 3 Propeller drive shafts 4 Complete transmission system 5 6 7 8 9 Different types of axles Inspection testing and report writing Sketching and drawing of individual units of the transmission system Sketching and drawing of the complete lay out of the transmission system
81. head Projector and ET in the correct sequence Demonstrate each practical transparencies Ter 1 3 Strip injector correctly guide to student to learn Pump clean and inspect the Demonstrate process of component parts for wear injection pump overhaul 1 4 Replace defective parts of calibrate and phase pump an injector accurately 57 calibrating phasing machine Testing and or servicing tools Complete tool box and live vehicle PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE DIESEL ENGINE MAINTENANCE Course Code CMV12 Contact Hours 8hrs week General Objective 11 0 Understand the principles of crankshaft balancing and vibration damping Week Specific Learning Outcome 1 5 Assemble component parts correctly and carry out injector test with standard equipment 1 6 Repair in line and rotary pumps 1 7 Overhaul and time in line and rotary pumps to engine 1 8 Calibrate a pump and collate results 1 9 Install and time injector pump 1 10 Change fuel filter drain fuel tanks and bleed system 1 11 Remove in line or rotary injection unit from engine 1 12 Clean inspect component parts for wear and serviceability 1 13 Strip and assemble in line or rotary injection pump 1 14 Carry out engine test and adjust to peak performance EVALUATION GUIDE a Tests and examinations to be set in multiple choice True False and essay questions to cover broader area of
82. hich identify precisely the type of behaviour a student should exhibit at the end of a course module or programme Two types of behavioural objectives have been used in the curriculum They are a General Objectives b Specific learning outcomes General objectives are concise but general statements of the behaviour of the students on completion of a unit of work such as understanding the principles and application in a Government in Political Science b Demand and supply in Economics c Orthographic projection in engineering technical drawing d Loci in Mathematics Basic concepts of politics Specific learning outcomes are concise statements of the specific behaviour expressed in units of discrete practical tasks and related knowledge the students should demonstrate as a result of the educational process to ascertain that the general objectives of course programme have been achieved They are more discrete and quantitative expressions of the scope of the tasks contained in a teaching unit General Education In Technical Colleges The General Education component of the curriculum aims at providing the trainee with complete secondary education in critical subjects like English Language Economics Physics Chemistry Biology Entrepreneurial Studies and Mathematics to enhance the understanding of machines tools and materials of their trades and their application and as a foundation for post secondary technical education for the abo
83. huck and operate lathe facing step turning undercutting Allow students to practise till radiusing chamfering parting off and they become competent knuring Guide the students to select Note Components appropriate cutting tools and should be produced set them up to center height to specified tolerance for lathe work turning or and finish facing Guide students to produce 4 5 Produce simple components simple engineering involving taper turning using the components like open ended compound slide spanner engineers square tool makers clamp center square etc 12 Resources Resources Point tools grinding machine lathe machine 3 jaw chuck and lathe machine Point tools lathe machine Lathe machine and accessories Centre lathe and accessories like catch plate face plate dog lathe lathe centers fixed steady and travelling steadies General Objective 4 0 Lathe and Lathework Week Specific Learning Outcome 10 12 Teachers Activities Resources Make a simple precision Round nose turning tool fine fitting project like hexagonal finishing tool form tool parting mild steel bar making push fit off tool boring tool bar of through a mild steel plate good length and 4mm Students should be allowed diameter Live dead centers to practise till they become catch plates competent Standard exercises or Prepare simple exercises prepared jobs that will guide students to produce com
84. ide in calculating the amount of tolerance and types of fits in given situations Assess the students 22 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT Week Week PRACTICE Course General metal Work Course Code CME 11 Contact Hours 7hrs wk General Objective 7 0 Produce simple Engineering Components on the bench Specific Learning Outcome Teachers Activities Resources 7 1 Explain layout procedures from e Teachers to prepare notes Lesson notes working drawing of simple and explanations to guide the Diagrams and charts engineering components or tools students in producing simple such as engineering components in 7 1 a open ended Assess the students spanner b engineer s try square c tool maker s clamp d plate bracket or gusset involving rounds angles holes e centre square General Objective 8 0 Understand the essential features and working principles of the centre lathe and use it to carry out basic operations such as plain turning stepped turning facing taper turning chamfering and under cutting Specific Learning Outcome Teachers Activities Resources 8 1 Describe the essential features of e Prepare detailed notes that Centre lathe and accessories a centre lathe and state their will describe the essential like catch plates face plates functions e g lathe bed headstock features of center lathe and centers fixed and travelling tailstock sadd
85. ies Resources 2 7 Enumerate the effect of defects in e Explain the main Component parts of the Drawing board chassis suspension and steering on Chassis Suspension and Steering Drawing tyre wear systems using diagrams instruments 2 6 Sketch in good proportion the Discuss with the aid of diagrams how Wheel alignment layout and construction of the vehicle bodies are mounted on the gauge Component parts of chassis chassis frame Camber gauge suspension and steering systems 6 Explain with diagrams all the Castor gauge 2 8 Describe the various methods of characteristics of the steering system mounting bodies and types of vehicle Discuss how wheel alignment setting can bodies affect the steering 5 6 2 8 Explain the function of the Assess the students followings a ackerman principle b Camber and caster c King pin inclination d Toe in toe out e Understeering f Oversteering 2 9 Describe the setting and adjustment procedure for 2 8 a to f above 2 10 Describe the rack and pinion Explain how a rack and pinion steering steering assembly with respect to can be adjusted lubricated and the a Components common faults associated with it b Adjustment Explain the operation of other types of c Attachment to vehicle steering gear boxes being used on motor d Lubrication vehicles e Operation Explain why the rack and opinion steering is more popularly used on motor cars these days
86. in the transmission of power to the road wheels 5 2 Identify various types of drive axle arrangements e g fully floating 33 44 floating and semi floating Dead axle dedion type 5 3 Sketch component parts in good proportion in relation to the transmission system 5 4 Calculate pre load torque and check pre load with spring balance 5 5 State the principles of operation of the differential and final drives Teachers Activities Resources List the basic functions of the differential Lesson plan unit in the transmission of power to the Models road wheels Diagrams With the aid of diagram illustrate Lesson plan methods of supporting axle shaft and Engineering arranging wheel bearings drawing equipment Illustrate the differences between semi Wall charts floating 332244 floating shafts Manufacturer s State the advantages and disadvantages manuals Chalk board Explain with the aid of sketches and in Rear axle or of semi floating and floating good proportion the transmission system model Discuss various stresses imposed on axles 68 Week Specific Learning Outcome 10 Week Specific Learning Outcome 10 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE TRANSMISSION Course Code CMV 14 Contact Hours 8hrs week General Objective 5 0 Understand the Principles of Operation of final drive and differential assembly and c
87. ing Outcome 1 6 1 1 Identify the principal components auxiliaries and systems of a motor vehicle e g engine gearbox clutch chassis rear axle connections to road wheels and body 1 2 Describe in detail the functions of each component in a motor vehicle listed in 1 1 above 1 3 Explain the principles of operations of each component listed in 1 1 above 1 4 Sketch a chassis layout showing relative position of the main components of a vehicle e g engine transmission prop shaft rear axle suspension front axle suspension and steering control linkages to road wheels etc vehicle Teacher s Activities Resources Introduce the students to Lesson plan vehicle lay out list the main Posters components such as Sketches engine Model vehicle gearbox clutch chassis rear axle connection to road wheels and the vehicle body Explain the functions of engine clutch gearbox propeller shaft rear axle suspension arrangement Ask student to sketch a chasses layout Assess the students 31 Week PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE SERVICE STATION MECHANICS Course Code CMV 10 Contact Hours 8hrs week General Objective 2 0 Understand the sealing and locking methods seal and lock motor vehicle components parts efficiently Specific Learning Outcome 2 1 Explain the functions strength and limitations of the follow
88. ing devices a Securing devices e g thread types and sizes BSW BSF BSP UNC UNF metric in nuts and bolts set screws stud allen grub Philip screw etc b Locking devices e g springs shakeproof and tap washers locking plates castellated and self locking nuts split pins circlip pins bolt locking wire c Sealing devices e g gasket joints plugs compound etc d Pipe union and joints e g copper flexible plastic pipe straight coupling elbow and banjo unions formed nipple olive and union nuts swaged and pipe fixing hose clips Teacher s Activities Resources Ask students to Identify types of threads and Chalkboard sizes used in metric for bolts Lesson plan Sample of bolts nuts studs etc and nuts set screws studs allen keys List locking devices springs shakeproof and tap washers self locking nuts split pins circlips etc Identify pipe union and joints copper flexible plastic pipes couplings hose clips etc Assess students 32 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE SERVICE STATION Course Code CMV 10 Contact Hours 8hrs week MECHANICS General Objective 3 0 Understand the basic services involved and carry out routine maintenance on different types of motor vehicles Week Specific Learning Outcome Teacher s Activities Resources 3 1 Explain the basic Introduce the students to Lesson pla
89. ing of the coil ignition system Week Specific Learning Outcome Teachers Activities Resources 10 1 Explain the theory of spark With the aid of sketches explain the low Lesson plan generation by electro magnetic tension circuit and the high tension circuit e Chart induction of the coil ignition system Coil Capacitor Overhead projector and transparencies Plugs 10 2 Explain the need for and the With the aid of sketches discuss the Complete live 13 action of a capacitor action of the condenser and its petrol engine 10 3 Draw the ignition system to contribution to the system Dynascope show how spark is transmitted to Illustrate with the aid of diagrams the Engine Analyser the combustion chambers layout of coil ignition system and Timing light 10 4 Explain the theory of spark emphasise how spark is distributed to the ignition system various cylinders Explain the process by which current flows from the battery through the low tension circuit and the high tension circuit to produce spark at the plugs 97 Week 4 8 9 15 16 14 PRACTICAL ACTIVITIES Specific Learning Outcome Teacher s Activities Resources Diagnose common carburetor faults e Demonstrate each item e Using necessary automobile and rectify s of the practical activity workshop tools and equipment as Overhaul the twin carburetor and for students to learn appropriate for each practical other modern carburetors and Student should
90. ion of this module the trainee should be able to 1 Understand the basic principles and processes of heat treatment of metal in the workshop 2 Produce simple engineering components by forging 3 Understand the basic principles and techniques of gas and metal arc welding and apply them in fabricating simple metal components PRACTICAL COMPETENCE On completion of this module students will be able to Week 1 2 1 Carry out heat treatment of metal in the workshop 2 Produce simple engineering components by forging 3 Carry out gas arc welding and apply them in fabricating simple engineering components PRACTICAL TASKS General Objective 1 0 Understand the basic principles and processes of heat treatment of metal of metal in the workshop Specific Learning Outcome Teachers Activities Resources Heat Treatment e Demonstrate heat treatment Furnace Forge tongs 1 1 Carry out the following heat processes and explain the treatment processes Hardening stages tempering annealing normalizing Demonstrate the annealing case hardening on given plain carbon process on brass copper and steel engineering components or aluminium for various tools purposes 1 2 Anneal copper brass and Assess the students aluminium for various purposes 26 General Objective 2 0 Produce simple engineering components by forging Week Specific Learning Outcome Forging Processes 2 1 Select appropriate forging tools and produce
91. its in relation to effects and requirements of engine components and other parts in assembling Teachers Activities Resources Explain Lesson plan wall The 4 stroke spark ignition engine charts construction and operating principles Chalk board The diesel engine design features Petrol engine The Four Stroke diesel Engine Operating Diesel engine principle Tools catalogue Explain the different cylinder A functional arrangements principle of fitting cylinder motorvehicle liners valves valve guide and set tappets Select tools for identified jobs Lesson plan Select special tools for special jobs Wall charts Explain the procedure for removal of Chalk board engine from vehicle Engine Hoist Explain the use of lifting devices A Vehicle Explain dismantling procedure on limits and Fits Explain and demonstrate different types Measuring tools of limits and fits interference fits push Service manuals operation e g Piston free play crank fits clearance jobs and relate its shaft sizes applications to various components of the 2 8 Know how to assess suitability of automobile system e g Piston and existing parts for possible re use 2 9 Know how to measure and determine sizes of worn crank shaft journals and crank pins cylinder Explain the process of examining and measuring parts using manufacturers manual as a guide Explain the use of measuring instrumen
92. ivities Resources 1 1 Understand safety and observe Discuss the safety in the workshop with e Lesson plan safety working condition volatile liquid in the engine system Wall charts 1 2 Use of service Manual Care of engine components Films 1 3 Use service Tools Care of measuring tools Chalk board 1 4 Complete jobs to manufacturers Danger of oils on the floor and gang Service manual specifications ways Correct Dressing Explain the importance of service manual to ensure the long life of the engine Explain the advantages of using the correct tools Explain the danger of ignoring manufacturers specifications Assess the students 59 Week 4 5 PROGRAMME NTC IN MOTOR VEHICLE MECHANICS WORK COURSE ENGINE RECONDITIONING PETROL amp DIESEL Course Code CMV 13 Contact Hours 8hrs week General Objective 2 0 Understand the operation of all types of automobile engine and recondition worn out engine to good working condition Specific Learning Outcome 2 1 Explain the operation of all types of automobile engines 2 2 State the operations involved in engine overhaul 2 3 Identify and use various tools and equipment for repair or adjustment of components parts of the engine assembly 2 4 Explain how to diagnose faults by inspection and by Road Test 2 5 Remove engine from vehicle for overhauling 2 6 Dismantle engine following a proper sequence 2 7 Apply the concept of limits and f
93. jective On completion of the following practical tasks the trainee will demonstrate the following abilities Specific Learning Outcome Teachers Activities Resources 1 1 Use and handle hand tools Demonstrate safe ways of Hand tools files hacksaw portable power tools and machine handling basic hand tools Television Video machines 1 2 Lifting move and store materials Show a film on industrial Posters on artificial or completed job safety respiration 1 3 Demonstrate first aid application e Demonstrate how to treat in cases of minor cuts electric shock energy cases like artificial burns respiration cold compress etc Assess the students General Objective 2 0 Measuring Marking Cutting and striking tools Specific Learning Outcome 2 1 Describe the essential features and use of the following a micrometer b vernier calliper c Venier height gauge d combination set 2 2 Maintain and care for the instruments listed above 2 3 Perform marking out exercise on plane surfaces including profiles 2 4 File a piece of metal to given specifications using any of the following Cross filing draw filing filing square and flat surfaces 2 5 Test surface for flatness using Teachers Activities Demonstrate how to use micrometer venier caltiper vernier height gauge combination set Demonstrate the maintenance and care of the instruments listed above Perform marking out for the st
94. kboard b By passing alternating Describe the function of diodes Measuring currents e Discuss methods of measuring electrical instruments c Timing purposes e g as neon resistance diagrams lamp flashers Assess the students diodes circuits 6 14 Explain the process of measuring forward and reverse resistance of typical diodes 5 Explain the types and function of diodes General Objective 7 0 Understand the operation of the transistorized ignition system Specific Learning Outcome Teachers Activities Resources 7 1 Explain the operation function Discuss safety when work on this system Lesson plan and repairs of is being done Wall charts a Transistorised coil ignition Illustrate with the aid of sketches Overhead slides with contact breaker control different methods of tranistorised ignition e Chalkboard b Breakeless transistorized coil system ignition Explain with the aid of sketches the c Transitorised coil ignition with operation of transistorized ignition system inductive pulse generator Explain with sketches the operation of d Transistorised coil ignition magneto ignition system with Hall effect generator 7 2 Explain the operation and function of high tension HT capacitor ignition 7 3 Compare different methods of the transistorized ignition systems 7 4 Explain the function operation of magneto ignition system 83 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS W
95. le or carriage etc their functions steadies 8 2 Explain the working principles of Give notes and diagrams that Charts of center lathe and the centre lathe will explain the working capstan lathe 8 3 Identify and state the functions of principles of center lathe and Round nose turning tool centre lathe accessories such as functions of its accessories finishing tool site finishing catch or driving plate face plate Give explanations that will knife tools form tools parting lathe dog or carrier lathe centres show the difference between off tools and boring tools fixed and travelling steadies center lathe and capstan lathe 8 4 Explain the difference between in terms of their main features the centre lathe capstan lathe in and functions terms of their main features and functions 23 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT Course General metal Work PRACTICE Course Code CME 11 Contact Hours 7hrs wk General Objective 8 0 Understand the essential features and working principles of the centre lathe and use it to carry out basic operations such as plain turning stepped turning facing taper turning chamfering and under cutting Week Specific Learning Outcome 8 5 Name types of cutting fluids used for lathe turning operations and state their composition and purposes 8 6 Outline safety precautions to be observed when working on the lathe 8 7 Sketch and d
96. ll center drill Drills taps tap wrench die and die stock Rivets and sets of drill bits Surface table surface plate marking solution center dot punches scribing block Week 7 9 Week 10 12 General Objective 3 0 Machine Tools Specific Learning Outcome Teachers Activities 3 4 List the operation square and cut e Demonstrate the marking out internal through and blind and procedures on bench working external threads by hand method and using datum lines datum state precautions to be taken when faces etc taping on the bench Students to practise till they 3 5 Rivet metals together in any given become competent situations Assess the students 3 6 Mark out only given bench work using datum points datum lines datum faces chalk or marking solution center or dot punch scribing block or measurement transfer General Objective 4 0 Lathe and Lathework Specific Learning Outcome Teachers Activities 4 1 Sharpen cutting tool for plain Guide the students to turning shouldering parting off and sharpen cutting tool for plain facing operations turning shouldering parting off 4 2 Set up rough and turned stock in and facing operations and 3 jaw chuck allow students to practise till 4 3 Select appropriate cutting tool competent and set them up to center height for e Demonstrate how to set up turning or facing operations rough and turned stock in a 3 4 4 Carry out chuck work involving jjaw c
97. lty twin carburetor to peak performance Week Specific Learning Outcome Teachers Activities Resources 1 1 Explain the basic principles and Use visual aids e g diagrams and real Lesson plan construction of carburettors e g components to illustrate the principles and Chalkboard single twin and multi barrel construction of carburetors Twin carburetor 1 2 Explain the operation of the Explain the use of vacuum gauge for Vacuum gauge venturi carburettor tuning Live Petrol 1 3 State the advantages and Assess the students engines disadvantages of a twin carburetor Single barret Caarburettor 1 3 Explain with the aid of diagrams State advantages and disadvantages of As above the action of the constant choke constant choke and constant vacuum type of carburettors with regard to j carburetor a Mixture strength Explain mixture strength requirement for control the listed conditions 1 3 a e b Cold starting With the aid of diagram illustrate c Slow running electrical petrol lift pump d Acceleration Explain the uses of mixture adjusting T e Economic screws on carburettors devices Define hot spot Explain the need for air cleaning and 1 4 Explain the operation of an silencing electrical petrol lift pump 1 5 Explain how mixture strength can be varied 1 6 Describe the action and purpose of the hot spot 1 7 State the main methods of air cleaning and silencing 90 PROGRAMME ADVA
98. me their component parts Explain the meaning of the Itransparencies term phasing In line and rotary pumps e List types of injectors Draw Injectors neat sketch of each type Explain reasons for high precision of component parts of fuel injection system Assess students Explain the need for Lesson plan adjustment of various types of e Chalkboard governors Overhead Projector and Draw sketches of governors transparencies in use on engines Hydraulic e Emphasize the significance e Mechanical and Pneumatic of accurate pump timing on governors engine Ask questions on In line pump timing process and procedures State advantages and disadvantages of in line and distributor type of pump Sketch and explain operation of distributor type pump With neat sketches explain the action of mechanical and hydraulic governors in relationship to the distributor Explain the common faults associated with each type of governor and give possible remedies 52 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE DIESEL ENGINE Course Code CMV12 Contact Hours 8hrs week MAINTENANCE General Objective 3 0 Understand The Working Principles Of A Diesel Engine And Carry Out Engine Tune Up And Test For Efficiency Week Specific Learning Outcome Teachers Activities Resources 3 1 Explain the principles of e With neat diagrams explain Lesson plan
99. ms for the students to practise Assess the students 24 Resources Charts on tool height Charts and diagrams of different machining operations PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT PRACTICE Course General metal Work Course Code CME 11 Contact Hours 7hrs wk General Objective 8 0 Understand the essential features and working principles of the centre lathe and use it to carry out basic operations such as plain turning stepped turning facing taper turning chamfering and under cutting Week Specific Learning Outcome Teachers Activities Resources 8 13 Estimate the rate of metal removal and time required for carrying out specified turning operations 8 14 State precautions to be observed when turning between centres 8 15 Set up the lathe for and carry out basic turning operations between centres 8 16 Compute required taper dimensions from given data using 11 12 taper ratio angle formulae i e TaperRatio as OR Tan d2di 2 2 where taper angle d1 small end diameter d2 large end diameter L length of taper 25 General Metal Work II COURSE GENERAL METAL WORK MODULE CME 12 GENERAL METAL WORK II PRE REQUISITE CME 11 CONTACT 5 HOURS WEEK HOUR GOAL This module is designed to introduce the trainee to basic processes in mechanical engineering such as forging sheet metal work and welding General Objectives On complet
100. n operations in routine vehicle basic or routine maintenance Charts maintenance e g change oil of motor vehicle Tools and oil filter spark plugs contact Explain the importance of Brake fluid breaker clean and adjust lubricants and types and Grease carburetor check distributor brake fluid leads and petrol pump Identify types of lubricants 3 2 Identify lubricant types and Explain oil grades 9 10 their specific uses e g Assess students vegetable base grease animal base grease multi purpose grease high melting point grease Oil S A E ratings multigrade oil Fluid High and low boiling point fluid General Objective 4 0 Understand the basic construction of a battery and carry out preventive maintenance Week Specific Learning Outcome Teacher s Activities Resources 11 4 1 Explain the basic Explain the functions of Lesson plan construction of a battery and battery cells and construction Chalkboard its components Describe a hydrometer and Used battery model use Hydrometer List battery faults Assess students 33 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE SERVICE STATION MECHANICS Course Code CMV 10 Contact Hours 8hrs week General Objective 5 0 Understand the basic principles of the motor vehicle and carry out general maintenance work on them Week Specific Learning Outcome 5 1 Explain the basic pro
101. n engine inserts Fitting of roller amp ball bearing Use of torque wrenches Describe sequentially the reassembling of engine components how to make necessary adjustments Explain the test run procedure Assess the students General Objective 3 0 Understand the process of carrying out cylinder reboring Specific Learning Outcome Teachers Activities Resources 3 1 Explain the processes of cylinder Explain the process of Lesson plan reboring 3 2 Explain the use of sizes in determining the bore size 3 3 Explain how to rebore cylinder to the required specification and select rings and piston sizes to match Setting the cylinder on reboring machine Service manual Setting the boring tools on the reboring Flip chart machine Boring machine Checking the accuracy of the boring tool e Vernier calipers and oylinder setting Chalk board Using service manual to determine the Sizing tools correct bore size Pistons Selecting correct sizes of rings and pistons Rings etc from the manufacturer s manual Assess the students 61 PROGRAMME NTC IN MOTOR VEHICLE MECHANICS WORK COURSE ENGINE RECONDITIONING Course Code CMV 13 Contact Hours Week 10 12 Week 2 4 5 7 10 12 PETROL amp DIESEL 8hrs week General Objective 4 0 Grind Crankshaft to correct specifications Specific Learning Outcome Teachers Activities Resources 4 1 Explain the process of crank Explain using
102. n system c Suspension system d Independent Front suspension Steering geometry e Steering gear box f Hydraulic brakes g Working principles of exhaust brakes h Brake servos i Stopping distance j Wheel alignment gauge k Wheel balancing machine Practical assessment to account for 60 of overall Assessment 78 Resources Auto Electricity Electronics PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK MODULE CMV 16 AUTO ELECTRICITY ELECTRONICS DURATION 96 HOURS GOALS The trainee will be able to trace faults in the electrical system of motor vehicle and effect necessary repairs GENERAL OBJECTIVES On completion of this module the trainee should be able to 1 Understand the principles of electricity generation as applicable to automobiles diagnose faults and effect repairs to batteries 2 Understand the procedure for effective maintenance and repairs of all units of the charging system in a motor vehicle without supervision 3 Understand the operation of the starter motor diagnose and effect repairs to a faulty one 4 Understand the operation of all electrical components of a vehicle trace and rectify faults in them 5 Understand the wiring diagrams of a motor vehicle and be able to use such diagrams symbols and signs as an aid in rewiring a faulty system 6 Understand the operation of the coil ignition system diagnose faults and rectify them 7 Understand the oper
103. ncluding interlocking arrangement Direct and remote control mechanism Explain the types of bearings used in gearboxes Explain the function of the final drive gear and differential gearing in relation to differential assembly Assess the students Resources Lesson plan Chalk board Drawing board Drawing instruments Gear train models Engineering drawing equipment Wall charts General Objective 4 0 Understand the Principles of operation of Propeller Drive shaft reconditioning Propeller Drive shaft joint couplings and center bearings Week Specific Learning Outcome 4 1 Explain the method of Teachers Activities Explain the procedure for assemblying construction layout and assembly of the propeller drive shaft propeller drive shafts and their principles of operation 4 2 Explain the principles of road and drive reaction in relation to the action of the propeller shaft and drive shaft sliding joints etc 4 2 Explain the concept of motion and change in velocity in relation to change in drive angles Explain the constructional details of the propellershaft Explain the purpose of sliding joints method of checking shaft for run out and drive angle Explain the practical implication of motion and change in velocity in relation to change in drive angles 67 Resources Lesson plan Chalk board Propeller drive shaft Wall charts Universal joint
104. odel PRACTICAL ACTIVITIES Week Specific Learning Outcome 1 Dismantle examine and re assemble a single dry plate friction clutch 2 Diagnose faults in any clutch assembly by inspection 3 Dismantle and re assemble a gear box 4 Examine gearbox synchromesh unit 5 Examine and adjust gearbox remote control mechanism 6 Diagnose gear box faults by inspection and by road test 7 Replace synchromesh type gear box 8 Carry out the repair on a gear box using the following procedure a dismantle gear box clean and display all the parts on a neat table b Assess wear on parts by inspection measurement replace worn out parts and bushes and re assemble the unit components of gear box as appropriate 9 Test gear box for correct gear ratio couple the assembled gear box to engine and to the propeller shaft 10 Dismantle examine and assemble a two speed axle double reduction 11 Dismantle examine and assemble a heavy duty rear axle of the worm and wheel type 12 Inspect a vehicle for roadworthiness and compile report Teachers Activities Resources The Teacher should demonstrate the Lesson plan practical Clutch units e Students should practise till they become Relevant tools competent Service Manual Assess the students Gear box Rear axle Propeller shaft 70 Week Specific Learning Outcome Teachers Activities 13 Adjust the crown wheel and Explain the method of adjusting t
105. omposition of material used for their manufacture 3 6 Sketch the bench vice explain its clamping power and demonstrate the technique of holding work in the vice for filing tapping and designing operations Teachers Activities Resources Prepare notes that will clearly Steel rule divides calipers differentiate between line and trammel scribe angle plate end measurement Prepare notes and examples that will explain the use of datum points datum lines and datum faces in marking out Demonstrate and give detail notes and explanations regarding the functions and application of steel rule dividers calipers inside outside and oddleg trammel scriber angle plate vee block centre square Prepare notes that will describe the various types of files stating their grades and applications by type e g flat square round halfround three square warding mill and rasp Prepare detail notes that will classify the common files used in the metal work as swell as stating the composition of materials used for their manufacture 17 vee block centre square Micrometer vernier callipers vernier height gauge combination set Flat file hard file round file square half round triangular warding mill file rasp file Flat file handfile engineers square Surface plate try square engineers square File card Flat file Bench vice PROGRAMME NATIONAL TECHNI
106. on 2 Understand the operation of the compressor and cycling clutch system with thermostatic expansion value TEV and the system with orifice tube OT 3 Understand the operation of evaporation pressure control system 4 Understand the general maintenance process of automotive air conditioning PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE AUTOMOTIVE AIR CONDITIONING Course Code CMV 23 Contact Hours 6hrs week Module Specification THEORETICAL CONTENT General Objective 1 0 Understand the basic principles of air conditioning and refrigeration Week Specific Learning Outcome Teachers Activities Resources 1 1 Explain the basic refrigeration cycle With the aid of diagrams explain Refrigeration cycle 1 2 Explain five basic parts contained in the layout of an automotive air diagram the refrigeration system condition system Diagram of the five 1 3 Explain the types of refrigeration used List and explain the functions of basic parts of in the system and state their the five basic components of refrigeration system characteristics refrigeration Charts 1 4 Explain the chemical ingredients of an Explain the type of refrigerant Overhead 1 2 automotive air condition system used in the system and the projector and 3 1 5 Explain the primary causes of system characteristics of the refrigerant transparencies failure List and explain the role of each Chalkboard chemical ingredients
107. operties of oils Testing equipment Define viscosity index Different types of graded oils volatility flash point cloud Sketches point composition calorific value octane rating octane rating and oil additives Explain safety conditions necessary in handling or storing fuels and oils 36 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE SERVICE STATION Week 22 24 MECHANICS Course Code CMV 10 Contact Hours 8hrs week General Objective 10 0 Understand the safety precautions relating to the handling and storage of fuel and oil Specific Learning Outcome Teacher s Activities Resources 10 1 Define safety precautions Explain the functions of fuels Use typical fuel pump models and oil in using fuels and oils in motor vehicles 10 2 Enumerate the precautions necessary to motor vehicle avoid fuel oil contamination when stored or handled 10 3 Describe the health hazards due to handling of pumps fuel pumps fuel oil and the required precautions 10 4 State the safety precautions to be observed engine oil when dealing with high pressure fuel injection system in situ and when using test equipment 10 5 Draw a cross section of a sedimentor and state its function and indicate the fuel flow path 10 6 Define or explain the action of an agglomerator filter 10 7 Sketch a typical fuel filter and state the need for constant maintenance 37
108. ory safety regulations in the machine shop 1 3 Name safety equipment and wears essential in the machine shop and state their application in working situations Note Example of safety wears and equipment should include overall eye goggles gloves safety boots helmet fire extinguishers etc 1 4 Outline safety rules and regulations relating to a clothing and health hazards b workshop hygiene c movement and other behaviour of workers in the workshops d materials handling e too handling storage and usage f machine operation g fire protection PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT PRACTICE Course Code CME 11 Contact Hours 7hrs wk General Objective 1 0 understand workshop safety rules and application in machine shop Teachers Activities Resources List the safety equipment and wears that are essential in the workshop Give detail notes and explanation in each topic a g Use questions and answers to determine comprehension Assess the students Give detail notes and explanation as appropriate Explain the procedures to be taken in the event of workshop accident 14 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT Week Week PRACTICE Course General metal Work Course Code CME 11 Contact Hours 7hrs wk General Objective 1 0 understand workshop safety rules and application in machine shop Sp
109. ours 6hrs week EVALUATION GUIDE Questions which should include objectives True False Fill ins and essay should be drawn from the following areas a Basic principles of air conditioning b Cycling clutch system c Evaporation pressure control system d Basic maintenance e V I R system Practical assessment should account for 60 of overall assessment 111 PROGRAMME COURSE MODULE PRE REQUISITE Project ANTC ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK CME 26 PROJECT CMV 20 CMV 21 CMV 22 AND CBM 22 DURATION 54 HOURS GOAL This module is designed to help a master craft man practise working alone and to carry out a project with minimum supervision GENERAL OBJECTIVES On completion of this module the trainee should be able to Carry out a detailed study on his own and present an extended essay on a suitable topic PROJECT The following are examples of suitable projects 1 Investigation of local authority transportation structure and functions 2 Investigation of a service department of a company its structure and functions 3 Market survey of trends in motor trade industry 4 Forecast manpower requirement in relation to vehicle population in a particular State 5 Vehicle statistics in States or at national level 112 Guidelines for Textbook writers NATIONAL TECHNICAL CERTIFICATE NTC AND ADVANCED NATIONAL TECHNICAL CERTIFICATE ANTC
110. plates 2 Vee blocks 8 Vernier height gauge 2 Vernier calipers metric 3 Micrometer 0 25m 25 50mm 50 75mm 3 Internal amp external 25 50mm 75 100 3 Dial indicator gauge with magnetic stand 2 MACHINE TOOLS Grinding machine with assorted wheels 1 Bench grinder with wheels 1 Workshop plain goggles 20 117 Quantity Available Additional in Workshop 4 Quantity Required 5 S No 1 B o v OO OI NISJA AJ wo N e 11 12 13 14 15 16 17 18 19 20 Tools Equipment 2 JOINING METAL Blow lamps Soldering iron Electric soldering iron Solder and flux LUB BAY TYRE WHEEL SERVICE Compressor 3 phase motor driven type complete with spray gun grease horse reels Wheel balance rim 13 15 Air line gauge Portable tyre inflator Steam cleaner complete oil fired or electric High pressure washer Weld master vulcanizer Various sizes wheel braces Tyre changer complete with bead breaker Heavy duty tyre changer air separated type Tyre repair kit comprising rasp Scissors tyre knife stitcher spiral wound wire brush etc Wire brush set Battery charger Service station set of tool kit plus special wrenches for removal of oil filter Pipe wrench clamp or vice Pipe cutter Wheel alignment gauge Plug spanners long and short Battery service kit Adjustable wrench Minimum Quantity Required 3 118 1pkt tin 3 sets 3 sets 2 sets 3 sets Quantity Av
111. ponents involving taper turning using the compound slide Assess the students Assessment profile Practical to take 6096 of the overall assessment PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT Course General metal Work PRACTICE Course Code CME 11 Contact Hours 7hrs wk Course Specification Knowledge Requirement General Objective 1 0 understand workshop safety rules and application in machine shop Week Specific Learning Outcome 1 1 State sources of hazards in the workshop and how to prevent them e g a handling and using hand tools portable power tools and 1 machines b stepping on or striking obstructions left on floors or benches c lifting moving and storing materials or jobs Teachers Activities Resources State sources of hazards in Safety posters common the workshop hard tools like files hacksaw Through questions and Television Video machine answer determine whether the Overall goggles gloves students grasped the topic hardshoes head shield fire Show a film on industrial extinguishers safety Through question and answer determine comprehension Demonstrate how to treat emergency cases like artificial respiration cold compress etc 13 Course General metal Work Week Specific Learning Outcome d using inflammable or corrosive liquids and gases e inhaling vapours or fumes 1 2 Explain the applications of fact
112. pump Describe the and procedures for As above 2 3 State the provision for governor adjustment adjustment of governor linkages Explain reasons for efficient operation of and stops items listed in 2 4 a e 2 4 Explain the operation of the List application of distributor type pump pt distributor type pump with regard to and in line pump a transfer valve e Mention common governor faults on C I b regulating valve engine c metering valve Assess the students d pump plungers e fuel distribution 2 5 State the advantages and disadvantages of the distributor type pump when compared to the inline pump 91 PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS COURSE MAJOR ENGINE REPAIR WORK Week 7 8 WORK Course Code CMV 20 General Objective 2 0 COMPRESSION IGNITION ENGINE FUEL SYSTEM Specific Learning Outcome 2 6 Explain the actions of a the mechanical governor b the hydraulic governor in relation to the distributor type pump 2 7 Describe the action of a pneumatic governor 2 8 Locate the provision for adjustment on a pneumatic governor 2 9 Explain the need for and the Teachers Activities List the advantages of pneumatic governor over other governors Describe the process for governor adjustment List possible causes of air entering the fuel system of diesel engine method of bleeding the fuel injection e Explain the advantages and pumps 2 10 D
113. r braking system 5 4 State the advantages and disadvantages of power braking system Teachers Activities Explain with diagrams the operation of the exhaust brakes system state its advantages and disadvantages Assess the students With the aid of diagram illustrate the layout of air braking system state possible faults associated with the system and suggest possible remedies Assess the students 106 Resources Lesson plan Chart Chalkboard Chalk Overhead projector and transparencies Power braking system components PRACTICAL ACTIVITIES WEEK Student Activities Teacher s Activities Resources 1 Maintain and adjust couplings Demonstrate to the Tools and 2 Maintain and adjust various Power Take Off students equipment systems Students to practise until Live vehicle 6 12 3 Dismantle and re assemble Power Take Off P T O the competent units Assess the students 4 Fit replacement units 5 Adjust and maintain couplings 6 Diagnose faults by road test and inspection and rectify them 7 Remove hydraulic suspension from vehicle and replace parts needed 8 Maintain and adjust hydraulic suspension 9 Dismantle inspect and assess weakness in the Teacher to demonstrate spring fit replacement parts for the students to learn 10 Maintain and adjust suspension system Students to practise untill 11 Remove a steering assembly from the vehicle they become competen
114. r advancing and Chalkboard retarding the ignition in relation to the Diagrams speed of the engine Relevant With the aid of diagram explain the measuring tools function of the spark plug and how it is Circuit diagram adjusted Coil With the aid of diagrams explain the Condenser operation of the distributor Distributor Explain the process of ignition and e C B Points combustion and understand the firing order of a four and six cylinder engine Explain in detail the safety precaution necessary when working on ignition systems Explain and identify the items of electrical equipment State the wiring system namely Series wiring Parallel wiring Explain with diagrams and illustrations Assess the students 82 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK Week Week 10 11 COURSE AUTO Course Code CMV 16 Contact Hours ELECTRICITY ELECTRONICS 8hrs week General Objective 6 0 Understand the operation of the Coil Ignition System diagnose faults and rectify them Specific Learning Outcome Teachers Activities Resources 6 11 Explain the limitations of List the limitation of the conventional conventional ignition system ignition system 6 13 State the use of capacitors for Explain how capacitors can be used to e Lesson plan a Spark quenching e g as absorb electrical surge Overhead slides surge absorbers by pass alternating current Chal
115. r with couplings General Objective 2 0 Understand the operations of a Power Take Off P T O system and carry out Teachers Activities 1 Describe the functions of a P T O on a tractor List safety precautions in using P T O and tipping body State the standard speed of the P T O Assess the students Resources A model P T O Sketches Chalkboard Tractor General Objective 3 0 Understand the working principle of both hydraulic and air suspensions 1 4 removal and adjustment of the fifth wheel coupling 1 2 Explain coupling devices and safety aspects involved in coupling and uncoupling repair and maintenance to it Week Specific Learning Outcome 2 1 Explain the operation of a P T O on a tractor 2 2 List handling and tipping body 5 6 Week Specific Learning Outcome 3 1 Explain the working principle of air and hydraulic suspensions 7 Teachers Activities Describe the functions of air and hydraulic suspensions Sketch air suspension system Sketch hydraulic suspension system Name all the parts of both air and hydraulic suspension systems List faults commonly found on both air and hydraulic suspension systems Assess the students 105 Resources Lesson plan Posters charts Air suspension Transparencies Hydraulic suspension PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS COURSE CHASSIS STEERING SUSPENSION AND BRAK
116. rews by hand 6 Understand the ISO system of tolerances and fits and their applications in engineering production 7 Produce simple engineering components on the bench 8 Understand the essential features and working principles of the center lathe and carry out basic operations such as turning step turning facing taper turning knurling chamfering and undercutting Practical Competence On completion of this module the student will be able to 1 Use all tools correctly ensuring the machinery guards and protective eye shields are used at all times 2 Comply with the general rules for safe practice in the work environment at all this 3 Use and select hand tools for carrying out various bench fitting and assembly tasks 4 5 6 Correctly grind drill point angles Twist and flat drills Use Tools hacksaws taps reamers drills dividers surface gauge Produce threads using taps and dies 7 Select and set drilling machine speeds to carry out a range of operations using the appropriate coolants Drilling reaming counter sinking counterboring 8 Perform metal joining by a range of processes Cut through the joints and investigate the depth of penetration of the metals at the Interface Processes Soldering brazing and fusion welding 9 Mark out on metals and other materials datum lines angles radii circles and hole positions using a range of tools Week 1 3 Week 4 6 PRACTICAL TASKS General Ob
117. rhead Projector and transparencies Chalk board Chalk Lesson plan Charts Lesson plan Chart Chalk board Overhead Projector and transparencies Overdrive unit Transfer gear box PROGRAMME ANTC IN MOTOR VEHICLE MACHANICS WORK Course TRANSMISSION Course Code CMV 21 Contact Hours 6HRS WEEK General Objective 3 0 Understand The Construction Methods And Adjustments Of The Components Of Single Plate Multiplate And Centrifugally Operated Clutches Week Specific Learning Outcome 3 1 Describe the construction of the typical clutch center plate 3 2 Describe the function of the following a hub b Centre shock absorbing spring c Dishing and slits in the center plate d Friction linings 3 4 Describe graphite and ball bearing release bearing 3 5 Describe the properties and materials of friction lining material Teachers Activities Resources Explain with the aid of diagram the Lesson plan constructional features of the clutch plate Single plate clutch e g Friction Lining Rigid hub and spring hub Explain the flexible clutch plate ability to Ball bearing Chart Overhead Projector absorb tortional shocks resulting from and transparencies Chalk board Text book Multiplate clutch engine vibration and clutch take up which causes noise or rattle Explain the function and the importance of a release bearing on the clutch system Discuss the qualitie
118. ring fixtures to diagnose engine faults Torque wrench Dismantle inspect assemble and Live engine adjust diesel engine Engine oil Oil filter Injectors Spark plugs 62 Week Course Specification PRACTICAL CONTENTS General Objective 1 0 To carryout maintenance operations in motor vehicle Specific Learning Outcome Teachers Activities Examination of engines having different arrangement of cylinder a Fitting of cylinder liners b Fitting of valve guides c Fitting of valve seat inserts d Fitting big end bearings e Dismantling examination of rocker and bearing for wear f Dismantling examining assemblingand testing of petrol pumps EVALUATION GUIDE Questions should include Essays and multiple choice questions to cover the following areas 1 Engines a Spark ignition engine 2 Compression ignition engine 2 Valves 3 Cylinder 4 Crank shafts 5 Lubrication 6 Camshafts 7 Pistons and rings 8 Valve timing 9 Ignition timing etc Practical Assessment should account for 6096 of assessment profile 63 Resources Transmission ANTC PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK MODULE CMV 14 TRANSMISSION DURATION 96 HOURS GOAL This module is designed to provide the trainee with the theoretical knowledge and practical ability to carry out effectively clutch gearbox and final drive reconditioning GENERAL OBJECTIVES On completion of this module
119. rm Term N O N oOo oc o oo o oi ioi nmnmrmi ninr nilin Nlin nji 1 O U oO oOo GOc1 oOo oO co oc o ococ oc oc o o N O OoO o oc oo o o o jio nrnmi ni nN Nl ln n l 2 O U Oo OoO oOo o oc ooc o oc o oi oI oo Term O oioiloio o o o o j o nrni niln nliln g Oj ojoilojo o o oi ocoio o oI oi n nio u YEAR 2 Term Term Term 1 2 3 TIPITIPI TI P 2 0 2 0 2 0 2 2 2 2 2 2 2 1 2 1 2 1 3 0 3 0 3 0 2 0 2 0 2 0 1 2 0 0 0 0 0 0 1 2 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 013 0 3 0 3 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 0 0 0 2 6 26 2 6 2 2 YEAR 3 Term Term Term 1 2 3 TI P T P T P 2 0 2 0 2 0 2 2 2 2 2 0 2 1 2 1 2 1 3 0 3 0 3 0 2 0 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 112 0 0 0 0 0 011 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 26 216 2 6 21 6 TOTAL HRS PER HOURS PER SUBJECT WEEK 216 288 288 288 216 36 36 36 36 36 108 108 72 84 60 192 192 192 96 96 96 96 2916 48 2964 3 00 2 0 2 0 3 00 2 00 3 00 3 00 3 00 3 00 3 00 3 00 3 00 2 00 7 00 5 00 8 00 8 00 8 00 8 00 8 00 8 00 8 00 103 Curriculum Table ANTC CURRICULUM TABLE COURSE HOURS WEEK 12 WEEKS TERM COURSE ADVANCED MOTOR VEHICLE MECHANICS PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE SUBJECT CODE CMA 21 22 CEM 21 22 CBM 21 CEN 21 CMV 20 CMV 21 CMV 22 C
120. rm of 15 weeks the course should be offered for 20 hours a week This can be scheduled in sessions of 4 hours in a day leaving the remaining hours for general education However if properly organized and there are adequate resources most of these courses can be offered in two sessions a day one in the morning and the other one in the afternoon In so doing some of these programmes may be completed in lesser number of years than at present The sessions of 4 hours include the trade theory and practice It is left to the teacher to decide when the class should be held in the workshop or in a lecture room INTEGRATED APPROACH IN THE TEACHING OF TRADE Theory Trade Science And Trade Calculations The traditional approach of teaching trade science and trade calculation as separate and distinct subjects in technical college programmes is not relevant to the new programme as it will amount to a duplication of the teaching of mathematics and physical science subjects in the course The basic concepts and principles in mathematics and physical science are the same as in the trade calculations and trade science In the new scheme therefore qualified persons in these fields will teach mathematics and physical science and the instructors will apply the principles and concepts in solving trade science and calculation problems in the trade theory classes To this end efforts have been made to ensure that mathematics and science modules required to
121. rrous metals in common use Week Specific Learning Outcome Teachers Activities Resources Examples of steels and cast Examples of steels and cast Video and television irons should include plain irons should include plain including cassettes on carbon steels dead mild carbon steels dead mild steels production processes steels mild steel medium mild steel medium carbon carbon steel high carbon steel high carbon steel gray steel cast iron malleable cast iron Cast Irons gray cast iron alloy cast iron high speed malleable cast iron alloy cast steels high tensile steels irons spheroidal and tungsten carbide stainless acicular steels Alloy Steels High speed Give notes and explanation steels high tensile steels on the cupola process tungsten carbide stainless blast furnace and the direct steels stellite reduction process 2 3 Outline manufacture of steel This a the cupola process of can be preceded by film show manufacture of cast iron and a visit to a manufacturing b the blast furnace process ojjplant manufacture of pig iron Give detail notes and c the direct reduction process explanations describing the of manufacture of steel physical properties and Note applications of the following A visit to a steel non ferrous metals copper manufacturing plant is tin zinc aluminium aluminium recommended alloys brass muntzmetal 2 4 Describe the physical properties cartridge bras
122. rs Activities Resources Lesson note Charts Overhead Projector function of the brake system types and the way they are operated with emphasis on safety precautions Transparencies Chalk board braking system e g lining and brake drum Chalk Explain the role played by friction in the tyres and the road Decelerometer Describe how the exhaust brake works and its advantages and disadvantages when compared with the hydraulic brake Explain the factors that affects braking efficiency of the vehicle Discuss stopping distance and its importance to the vehicle operator Assess the students 75 PROGRAMME NTC IN MOTOR VEHICLE MACHANICS WORK Course Suspension Steering and Braking Course Code CMV 15 Contact Hours Systems 8hrs week General Objective 3 0 Understand the functions of the components parts diagnose and rectify faults in hydraulic air vacuum and mechanical brakes Week Specific Learning Outcome Teachers Activities Resources 3 7 Describe the operation assembly Explain the function of a disc brake Lesson plan procedure and sketch the following drum brakes and an air pneumatic Tyres a Fixed and floating brakes State the advantages of each Pressure gauge Cam actuated drum system of brakes Wheel balancing brake Explain with the aid of sketche the layout Machine b Single and multi of the hydraulic brakes important Brake fluid piston master adjustment that shoul
123. s gilding metal and applications of non ferrous etc bronze manganese metals below copper tin zinc bronze bell metal aluminium aluminium and aluminium alloys bronze phosphor bronze and brass muntz metal cartridge brass lead Assess the students gilding etc metal bronze manganese bronze tunmetal bell metal aluminium bronze phosphor bronze and lead 16 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT Week Course General metal Work PRACTICE Course Code CME 11 Contact Hours 7hrs wk General Objective 3 0 Understand the selection and use common measuring marking out cutting and striking tools Specific Learning Outcome 3 1 Select and use common measuring marking out cutting and striking tools 3 2 Explain with examples the difference between line and end measurement 3 2 Explain the use of datum points datum lines and datum faces in marking out 3 3 Describe the functions and application of the following instruments used in metal work steel rule dividers calipers inside outside and odd legs trammel scriber angle plate vee block centre square 3 4 Describe the various types of files stating their grades and applications Note Types of files should include flat square round half round three square warding pollar mill and rasp 3 5 Classify the common files used in metal work and state their c
124. s of the materials used for friction lining With the aid of sketches explain the operation of the release lever and the 3 6 Explain the need for release lever effect of adjustment on it setting of multi spring clutch 3 7 Sketch the layout and operation of the centrifugally operated clutch 3 8 Sketch the Multi plate clutch and state its operation With the aid of sketches explain the operations and the advantages and disadvantages of a centrifugal clutch Explain with the aid of diagrams the operation advantages and disadvantages of a multi plate clutch over the single plate clutch Assess the students 101 Week Specific Learning Outcome 7 8 Week Specific Learning Outcome 9 12 PROGRAMME ANTC IN MOTOR VEHICLE MACHANICS WORK Course TRANSMISSION Contact Hours 6HRS WEEK Course Code CMV 21 General Objective 4 0 Understand the functions and operation of double reduction final drive differential assembly diagnose faults and rectify them 4 1 Explain the basic principles of double reduction final drive differential and front wheel drive assembly 4 2 Describe the means of lubrication and oil retention of the final drive unit 4 3 Describe the action of the bevel gear differentials 4 4 Describe the banjo axle casing Teachers Activities Resources Describe the principles of power versus Lesson plan speed as applied to double reduction and Constant velocity dif
125. t dismantle clean inspect and fit replacement parts on e Assess the students it and adjust accordingly 12 Rectify the common faults in steering mechanism 13 Diagnose and rectify faulty power braking system 14 Remove components from braking system taking appropriate care for the hydraulic air pipes 15 Assess wear and locate leakages in the air hydraulic system 16 Fit replacement unit such as brake valve lock actuator road sensing valve compressors reservoirs and brake chamber 17 Apply safety precautions associated with exhaust braking system 18 Check airline system for leaks EVALUATION GUIDE Questions should include multiple choice True False essays and fill ins to cover Tractor Trailer coupling Power Take Off P T O Air and hydraulic suspension maintenance Power Steering and Power Braking system Practical evaluation should form 60 of the overall evaluation while theory takes 4096 107 Automobile Air Conditioning ANTC PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE AUTOMOTIVE AIR CONDITIONING DURATION 72 HOURS GOAL This module is intended to impart Automobile Air Conditioning knowledge and skills in the trainees to enable them effectively diagnose faults and rectify them GENERAL OBJECTIVES Upon successful completion of this module the trainee should be able to 1 Understand the basic principles of air conditioning and refrigerati
126. t angle too abtuse c cutting edges at unequal angles d insufficient lip clearance e excessive lip clearance 4 6 Calculate spindle revolution or that will describe where each of the following drills are best suited Twist drill taper shank parallel shank jobber drill and their relative merits flat drill counterbore drill and combination center drill cutting speed for specified size of drill e Assess the students using the formulae N 1000S trd S rrdN 1000 Where S cutting speed m min N revolutions minute D diameter of drill mm T 3 142 4 8 State the causes and remedies of drilling faults such as a drill breaking b drill coloured blue c walls of drilled hole left rough d chipped cutting lips 4 9 State the safety precautions to be observed when using a drilling machine 4 10 Explain the purpose of reaming and describe different types of hand and machine reamers 4 11 Ream to given specifications by hand and machine method 20 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT Course General metal Work PRACTICE Course Code CME 11 Contact Hours 7hrs wk General Objective 5 0 Understand the applications of various types of screw threads rivet and cut screws by hand Week Specific Learning Outcome 5 1 Sketch the thread forms below and state their applications a the ISO metric thread b the unified thread
127. tals and other engineering materials Week Specific Learning Outcome Teachers Activities Resources 4 1 Identify the various types of Show different types of Ball pein hammers mallets drilling machines drilling machines cold chisels do center 4 2 Describe with sketches the main Make notes and drawings punches hacksaw and features of a bench or pillar drilling that will identify the various hacksaw blades machine types of drilling m cs Drilling machines and their 4 4 Describe with sketches and state Prepare detail notes and accessories 5 6 where each of the following types of drawings that will describe the drills are best suited main features of a bench or twist drill taper shank parallel shank pillar drilling machine and jobbers drill and their relative Solve many problems for merits flat drill countersink drill students to practise counter bore drill combination centre drill 19 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MECHANICAL ENGINEERING CRAFT Course General metal Work PRACTICE Course Code CME 11 Contact Hours 7hrs wk General Objective 4 0 Understand the working principles of a drilling machine use it to drill and ream holes on metals and other engineering materials Week Specific Learning Outcome Teachers Activities Resources 4 5 Explain the effects of the following Prepare notes and drawings faults in a ground twist drill bit a point angle too acute b poin
128. the Exhaust valves Wall charts difference between compression ignition and spark ignition system Explain the effects of valve overlap valve lead valve lag assess the students General Objective 6 0 Understand the construction and operation of various types of combustion chambers Specific Learning Outcome 6 1 Explain the factors to be considered when designing combustion chambers e g a shape b size C lift d location e number of valves f position of sparking plugs Teachers Activities Resources Illustrate with diagrams the configuration Lesson plan of the combustion chamber its action and Models operation Service manual Discuss in detail the function of the Chalkboard combination chamber Complete State faults that can occur and state how mechanics tool box Lesson plan Models Diagrams they can be rectified 94 PROGRAMME ADVANCED NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS COURSE MAJOR ENGINE REPAIR WORK Week Week 17 18 WORK Course Code CMV 20 Contact Hours 18hrs week General Objective 6 0 Understand the construction and operation of various types of combustion chambers Specific Learning Outcome 6 2 State the advantages and disadvantages of three types of the petrol engine combustion chambers 6 3 Explain the combustion process for a Spark ignition engine b The three phases of
129. the curriculum and module specifications b The evaluation should also include practical exercises Practical tests will account for 60 of the overall marks Teachers Activities Resources Demonstrate workshop method of calculating fuel consumption Assess the students 58 Engine Reconditioning Petrol amp Diesel PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK MODULE CMV 13 ENGINE RECONDITIONING PETROL amp DIESEL DURATION 96 HOURS GOAL The trainee will acquire knowledge and skills to recondition a worn out engine petrol or diesel to a satisfactory working condition GENERAL OBJECTIVES On completion of this module the trainee should be able to 1 Understand the safety procedures and their applications in relation to automobile engine reconditioning 2 Understand the operation of all types of automobile engine and recondition worn out engine to good working condition 3 Understand the process of carrying out cylinder reboring 4 Understand the method of grinding crankshaft to manufacturer s specifications PROGRAMME NTC IN MOTOR VEHICLE MECHANICS WORK COURSE ENGINE RECONDITIONING Course Code CMV 13 Contact Hours Week PETROL amp DIESEL 8hrs week Course Specification Theoretical General Objective 1 0 Understand the safety procedure and their applications in relation to automobile engine reconditioning Specific Learning Outcome Teachers Act
130. tioning Petrol amp Diesel eene nennen enne ennt 59 Transmission ANT t oni xoa tta n petet te eate ees 64 Chassis Steering Suspension amp Braking System ANTO sse nennen nennen 72 Auto Electricity Electronics 2 1 cioe EHE aid eve decile Det ze deve s edad neni die pd 79 Major Engine Repair Work ANTO ssssssseeeeee nennen nennen enne entren terret erre rnit nennen nnns 89 Transmission ANTG 5 d doo CRI REO QR BRUM OSA RIAM Mae 99 Chassis Steering Suspension and Braking Systems ANTO nennen 104 Automobile Air Conditioning ANTO ssssssseseeeeeneeen nennen nennen nnn en herren erret nennen nene 108 Project ANTO etes np Hia bte te erii eder Pai b E Ih REM AR RE e E AR HERAUS 112 Guidelines for Textbook WrIters o ei E boc be IRE IRE E eque E m dec ameeev Ree E hM eek POE PEN HEUR 113 List of Books and References sic edi te de ede dene aa e dne de dendo dde tene dd tan etu dod evn dede 115 LIStOT EQUIPMEMNE Ss tione tuti a detuehitcaitteinicdauiunafi suus fed seen bene ess 116 Eist oF Participants 5 55 3 2 50 ease alte cmn Sil Net eee tele Aa oim ccu Naga Sere 121 General Information AIM To give training and impart the necessary skills leading to the production of craftsmen technicians and other skilled personnel who will be enterprising and self reliant ENTRY QUALIFICATIONS CRAFT PROGRAMME Candidates must not be less than 14 years of age and should have suc
131. to specifications given engineering components by forging processes 3 4 a upsetting drawing down 5 8 b setting down twisting c forge welding scarf and spice welds d bending turning closed ring e forming an eye Teachers Activities Resources List and identify gas and Anvil swage block leg vice metal arc welding equipment forging hammers hot set cold Demonstrate with appropriate set sets of hammer forging tools how to produce punchers drifts fillers top some engineering components swage bottom swage flatter and let the student practice till open tongs hallow bit they become competent Assess the students General Objective 3 0 Understand the basic principles and techniques of gas and metal are welding and apply them in fabricating simple metal components Week Specific Learning Outcome Welding Processes 3 1 Set up and operate gas or metal arc welding equipment in given situations Note Equipment operation should include choice of correct nozzles or electrode Adjustment for correct gas 9 12 pressure flame or voltage Teachers Activities Resources List and identify gas and Acetylene regulators metal arc welding equipment Oxygen cylinders welding Demonstrate the use of both set goggles shield gas and metal are welding electrodes diagrams and equipment for all the students charts of various welding joints to practise Demonstrate to the students how
132. toms e g Complete live diesel engine 14 to particular faults in a diese engine emitting black smoke Chalkboard engine etc Assess students 53 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE DIESEL ENGINE Week 15 Week 16 18 MAINTENANCE Course Code CMV12 Contact Hours 8hrs week General Objective 6 0 Understand the constructional differences between petrol and C I engine main component parts Specific Learning Outcome 6 1 Compare the following engine components of the petrol and compression ignition engine stating differences in construction and materials used a Injection pumps b Injectors c Air Horn d Governors e Crankshafts f Valves g Cylinder head h Cylinder blocks i Connecting Rods j Pistons etc Teachers Activities Resources Give reasons for differences Lesson plan in the physical construction of Chalkboard main engine components of e Live diesel and petrol engines petrol and diesel engines Sketch each component part neatly on the chalkboard Assess students General Objective 7 0 Understand the wet sump Lubrication system Layout and methods of oil distribution Specific Learning Outcome 7 1 Draw a line diagram to show the layout of wet sump engine lubrication for full flow and by pass flow 7 2 Explain how oil is distributed by splash mist and pressure feed systems 7 3 Sketch three types of
133. ts such as vernier caliper micrometer dial gauge to determine the extent of wear on a component making reference to service manual 60 PROGRAMME NTC IN MOTOR VEHICLE MECHANICS WORK COURSE ENGINE RECONDITIONING Week Week 8 9 PETROL amp DIESEL Course Code CMV 13 Contact Hours 8hrs week General Objective 2 0 Understand the operation of all types of automobile engine and recondition worn out engine to good working condition Specific Learning Outcome 2 10 Describe cam shaft arrangements for side and overhead camshafts 2 11 Explain the concept of force torque and brake horse power as applicable to motor vehicle 2 12 Explain the process of replacement of defective components e g bearings cylinder sleeves Pistons crank shafts connecting rods valve assembly etc 2 13 Explain ways of reassembling engine components in given Teachers Activities Resources Explain the methods of drawing cam shaft Lesson plan Describe simple treatment of bell cranked Chalk board pivoted levers to show a the Wall charts perpendicular forces and b Inclined camshaft and forces Simple calculations involving model moments as applied to clutch and brake Chalk board mechanisms calculation of torques Explain and demonstrate the processes of Assembling Pistons and rings using clamp Fitting of cylinder liners Fitting of valve guides and valve seat sequence adjust and test ru
134. udents to do and practise TET a clean cylinder head Assess students b check cylinder head c remove and replace cylinder head gasket EXAMINATION GUIDE In order to ensure wide coverage of the module questions should include multiple choice true false fill ins and Practical Tests Practical tests should account for 6096 of the overall examination marks 40 Petrol Engine Maintenance PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK MODEL CMV 11 PETROL ENGINE MAINTENANCE DURATION 192 HOURS GOAL This module is designed to produce a petrol engine maintenance craftsman who should understand the basic principles of operation and carry out general maintenance and reconditioning work on petrol engine GENERAL OBJECTIVES On completion of this module the trainee should be able to 1 Understand general safety precautions 2 Understand the basic working principles of petrol engine and restore it to peak performance 3 Understand the working principles of valves 4 Understand the working principles of the fuel system of the motor vehicle 5 Understand the operation of an ignition system and carry out repairs and adjustments 6 Understand the working principles of engine cooling system and restore a faulty cooling system to acceptable standard of performance 41 Week Week PROGRAMME NTC MOTOR VEHICLE MACHANICS WORK PROGRAMME Course PETROL ENGINE MAINTENANCE
135. udents to learn and practise till they become competent Demonstrate how flat surfaces can be tested using surface plate and try square Demonstrate how files are cleaned and state the precautions to be taken against pinning Students to surface plate and try square and state practise till they become precautions to be taken to avoid pinning 2 6 Maintain files in good working conditions competent Demonstrate the application of hammers and mallets for engineering purposes 10 Resources Micrometer vernier calipers vernier height gauge combination sets Steel rules dividers punches trammel scribe angle plate vee block center square Flat file try square File card flat file Ball pein hammers mallet Hacksaw blade Hacksaw frame Week 4 6 Week 7 9 General Objective 2 0 Measuring Marking Cutting and striking tools Specific Learning Outcome 2 7 Apply various hammers and mallets e g ball pein rubber mallets etc for engineering purposes 2 8 Select and insert hacksaw blade correctly 2 9 Cut metal and other engineering Teachers Activities Demonstrate how a hacksaw blade can be inserted correctly Demonstrate how to use adjustable hacksaw junior hacksaw piercing Students should be allowed materials to given specifications using to practise till competent the adjustable hacksaws junior hacksaws piercing saw etc drills and Drilling
136. used in the Tool box air conditioning system refrigerants Explain the common causes of system failure and suggest possible remedies Assess students 108 PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK COURSE AUTOMOTIVE AIR CONDITIONING Course Code CMV 23 Contact Hours 6hrs week General Objective 2 0 Understand the operation of the compressor and cycling clutch system with thermostatic expansion valve TEV and the system with orifice tube OT Week Specific Learning Outcome Teachers Activities Resources 2 1 Explain the operation of the e With the aid of diagram explain Compressor compressor in the cycling clutch system the operation of the compressor Thermostatic 2 2 Explain the cycling clutch system with used in the cycling clutch system Expansion valve 4 5 Thermostatic Expansion valve TEV and Explain the roles played by the Orifice tube the system with orifice tube O T thermostatic expansion value TEV and orifice tube O T in the air conditioning system General Objective 3 0 Understand the operation of Evaporation Pressure Control System Week Specific Learning Outcome Teachers Activities Resources 3 1 Describe the system using Pilot Describe the function of the pilot e Lesson plan Operated Absolute POA value and the operated absolute value and Charts one using Value In Receiver VIR system suggest its alternative Overhead projector 3 2
137. utline safety precautions relating to heat treatment processes Assess the students General Objective 2 0 Understand the techniques of producing simple engineering components by forging Week Specific Learning Outcome 2 1 Explain with outline sketch the main features and working principles of the black smith s forge 2 2 Describe and state the functions of common forging tools e g anvil swage block leg vice forging 5 6 7 8 hammers hot and cold sets set hammer punches and drifts hardie fullers top and bottom swages flatter tongs open mouth closed mouth hollow bit etc 2 3 Describe with sketches the following forging operations a upsetting Teacher Activities Resources Prepare detail notes and diagrams that will explain the main features and working principles of the black smith s forge Prepare notes and diagrams that will describe the functions of common forging tools Prepare detail notes that will describe the following forging operations upsetting drawing down setting down twisting forge welding bending forming closed ring forming an 28 b drawing down eye c setting down Assess the students d twisting e forge welding scarf and splice welds f bending g forming closed ring forming an eye 29 Service Stations Mechanics PROGRAMME NATIONAL TECHNICAL CERTIFICATE IN MOTOR VEHICLE MECHANICS WORK MODULE CMV 10 SERVICE STATION
138. ve average trainee Hence it is hoped that trainees who successfully complete their trade and general education may be able to compete with their secondary school counterparts for direct entry into the polytechnics or colleges of education technical for ND or NCE courses respectively For the purpose of certification only the first three courses in mathematics will be required The remaining modules are optional and are designed for the above average students National Certification The NTC and ANTC programmes are run by Technical Colleges accredited by NBTE The National Business and Technical Examinations Board NABTEB conducts the final National examination and awards certificates Trainees who successfully complete all the courses modules specified in the curriculum table and pass the national examinations in the trade will be awarded one of the following certificates S NO LEVEL CERTIFICATE Technical Programme 1 Craft Level National Technical Certificate 2 Advanced Craft Level Advanced National Technical Certificate Guidance Notes For Teachers Teaching The Curriculum The number of hours stated in the curriculum table may be increased or decreased to suit individual institutions timetable provided the entire course content is properly covered and the goals and objectives of each module are achieved at the end of the term The maximum duration of any module in the new scheme is 300 hours This means that for a te
139. ve pinion of a starter and ring gear and adjust pinion clearance where applicable 5 6 1 6 Diagnose faults in the starter motor using test equipment such as voltmeter ohmmeter and ammeter with shunt 1 7 Determine serviceability of Demonstrate practical for the students to Live vehicle components e g armature onthe learn Ammeter growler starter motor etc e Students to practise till they become Voltermeter 1 8 Assemble starter motor competent Ohmeter component appropriately and bench Assess the students Starter motor test starter motor pre engaged and co axial 1 9 Identify and state the characteristics of various types of lamp unit e g sealed beam flash unit 1 10 Trace and rectify faults in the ds following circuits a lighting circuit repair fuse light units b direction indicator trafficator c windscreen wiper circuit and drive system d heater circuit e windscreen washer circuit f petrol pump circuit g warning light circuit h instrument panel circuit i door glass circuit 86 Weeks Specific Learning Outcome j Fit replacement units where necessary k Select correct cable size length l Test circuit for excessive resistance m Renew all types of cable termination points n Trace and rectify faults in a circuit using the appropriate instruments e g voltmeter ammeter etc 9 10 o Diagnose common coil ignition i32 system faults and explain possible remedies p Carry

Motor vehicle mechanics` work: National Technical Certificate (NTC

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