Mechanic Tractor - Directorate General of Employment & Training
Contents
1. 8 Internet connection with all accessories As required 9 Laser printer 1 10 LCD projector LED LCD TV 42 1 T1 As required 12 Online UPS 2KVA 1 13 Stools 21 14 Storage Rack 64 x 3 x 1 2 As required 15 Storage shelf 6 2 x 3 x 112 As required 16 Suitable class room furniture As required 17 Suitable Work Tables with vices As required 18 Tool Cabinet 6 2 x 3 x 1 2 19 Trainees locker 6 x 3 x 1 2 Nos to accommodate 20 Lockers List of tools amp Equipment for the Trade of Mechanic Tractor Engineering Drawing TRAINEE S TOOLS KIT SI No Name of the items Quantity l Draughtsman drawing instrument box 20 1 set 2 Set square celluloid 45 250 X 1 5 mm 20 1 set 3 Set square celluloid 30 60 250 X 1 5 mm 20 1 set 4 Mini drafter 20 1 set 5 Drawing board 700mm x500 mm IS 1444 20 1 set GENERAL MACHINERY SHOP OUTFIT Sl No Name amp Description of Machine Quantity l Draughtsman table 20 Nos 2 Draughtsman stool 20Nos 282. SL Description Quantity l Automatic Transmission oils As required 2 Battery SMF As required 3 Brake fluids As required 4 Chalk Prussian blue As required 5 Chemical compound for fasteners As required 6 Diesel As required 7 Different type gasket material As required 8 Different type of oil seal As required 9 Drill Twist assorted As required 10 Emery paper 36 60 grit 80 120 As required Engine coolant As required Engine oil As required 11 Gear oils As required 12 Hacksaw blade consumable As required 13 Hand rubber gloves tested for 5000 V 5 pair 14 Holders lamp teakwood boards plug sockets As required solders flux wires and cables batteries round consumable blocks and other consumables as required 15 Hydrometer 8 16 Lapping abrasives As required 17 Leather Apron 5 18 Petrol As required 19 Power steering oil As required 20 Radiator Coolants As required 21 Safety glasses As required 22 Steel wire Brush 50mmx150mm 5 23 Engine Spare Parts As per req 24 Gloves for Welding Leather and Asbestos 5 sets E Workshop Furniture SI Description Quantity No l Book shelf glass panel 6 2 x 3 x 1 2 As required 2 Computer Chair 1 1 3 Computer Table 1 1 4 Desktop computer and related MS office software 1 1 5 Discussion Table 8 x 4 x 2 2 2 6 Fire Extinguishers first aid box As required 7 Instructional Material NIMI Books Ref books As required 27
3. Collecting and sorting raw data Definition of Discrete variable continuous variable with Shop examples Constructing pictographs pie chart Bar chart Frequency and tally Charts Importance of the shape of a frequency distribution histogram frequency polygon Cumulative frequency plot Interpreting statistics sampling arithmetic mean median mode Range Graphs variables scales coordinates straight line graphs 14 amp 15 Heat and temperature Temperature Thermodynamic temperature scale Kelvin Cooling system temperature Standard temperature and pressure STP Thermal expansion with calculation Heat Sensible heat Latent heat Specific latent heat Specific heat capacity Quantity of heat with calculation Heat transfer Conduction Convection 18 16 amp 17 Heating expansion and compression of gases Absolute pressure Absolute temperature Laws relating to the compression and expansion of gases Heating a gas at constant volume Heating a gas at constant pressure Charles law Expansion or compression at constant temperature isothermal 18 20 Internal combustion engines Engine power Brake power Horsepower PS the DIN Indicated power Mean effective pressure Calculation of indicated power Cylinder pressure vs crank angle Mechanical efficiency of an engine Volumetric efficiency Torque vs engine speed Specific fuel consumption vs engine speed Brake power torque an
4. amp assemble Coupling the clutch with flywheel amp join the engine with gear box Adjust clutch pedal free play Dismantle gear box of a tractor amp inspect the parts Assemble the gear box Overhauling Transfer case and auxiliary gear box Clutch types construction and function Components of clutch driver amp driven plates torsion spring cushion springs operating fingers clutch shaft Slave cylinder amp oil seal Clutch release bearing amp linkages Manual transmissions Function description types and their application Gearbox layout Components of tractor gear box Principle of epicyclical gear box Necessity of torque convertor need of 4 x 4 wheel drive Front wheel drive Low amp high gear ratio universal joint and propeller shaft 15 13 Overhauling of differential Servicing of reduction gear rear axle wheel hub Servicing of PTO Power Take Off Measure rpm of PTO shaft amp speed of belt pulley Final Drive amp Drive Shafts Differential carriers double reduction gearing differential lock crown wheel and pinion adjustments function and types of power take off PTO mechanism Types of front amp rear axles Common trouble and their remedies care and maintenance 14 amp Checking Layout of Mechanical Steering amp Suspension Systems 15 steering system Checking Inspection Function and types of steering system Description of Steering linkage a
5. Brief description and uses of Vehicle hoists Two post and four post hoist Engine hoists Jacks Stands 22 23 In plant Training 24 25 Revision and Test 26 NCVT Exam 10 1 Semster Workshop Calculation and Science Syllabus for the trade of Mechanic Tractor Week Workshop calculation and No Science 3 Hrs week 1 Units Derived and fundamental types of system FPS CGS MKS and their conversion Metric weights and measurements units conversion factors 2 Fractions Addition and subtraction Fractions and whole numbers Combined addition and subtraction Multiplication and division of fractions Operations in problems involving fractions 3 Order of performing BODMAS Mathematical operators Integers Rules for dealing with integers Addition subtraction Multiplication and division 4 amp 5 Ratio and proportion Percentages Examples of ratios in Automotive technology 6 profit and loss Discount 7 simple interest and compound interest 8 depreciation calculation 9 10 Time and work problem Time and distance clocks and calendar 11 Brief description of manufacturing process of steel and aluminum 12 Meaning of elasticity malleability brittleness hardness compressibility amp ductility and their examples Properties and uses of cast iron ferrous metal gray cast iron white cast iron wrought iron and plain carbon steel high speed steel and al
6. pins keys circlips lock rings lock washers and locating where they are used Washers amp chemical compounds can be used to hole Practice on cutting tools like Hacksaw file chisel Sharpening of Chisels center punch safety precautions while grinding Practice on Hacksawing and filing to given dimensions help secure these fasteners Function of Gaskets Selection of materials for gaskets and packing oil seals Cutting tools Study of different type of cutting tools like Hacksaw File Definition parts of a file specification Grade shape different type of cut and uses OFF hand grinding with sander bench and pedestal grinders safety precautions while grinding Limits Fits amp Tolerances Definition of limits fits amp tolerances with examples used in auto components 10 amp Practice on Marking and Drilling clear and Blind Holes Sharpening of Twist Drills Safety precautions to be observed while using a drilling machine Practice on Tapping a Clear and Blind Hole Selection of tape drill Size use of Lubrication Use of stud extractor Cutting Threads on a Bolt Stud Adjustment of two piece Die Reaming a hole Bush to suit the given pin shaft scraping a given machined surface Drilling machine Description and study of Bench type Drilling machine Portable electrical Drilling machine drill holding devices Work Holding devices Drill bits Taps and Dies Hand Taps and wrenche
7. press hand operated 2 ton capacity 1 13 Auto Electrical test bench l 14 Battery charger 2 15 Belt Tensioner gauge l 16 Blow Lamp 1 litre 2 17 Caliper inside 15 cm Spring 4 18 Calipers outside 15 cm spring 4 19 Car Jet washer with standard accessories 1 20 Carburetor repair tool kit 1 21 Chain Pulley Block 3 ton capacity with tripod stand 1 22 Chaser hard W V 9 to 40 T P I set of 11 external 1 set 23 Chaser hand W W 9 to 40 T P I set of 11 internal 1 set 24 Chisel 10 cm flat 4 25 Chisels cross cut 200 mm X 6mm 4 26 Circlip pliers Expanding and contracting type 15cm and 20cm each 4 27 Clamps C 100mm 2 28 Clamps C 150mm 2 29 Clamps C 200mm 2 30 Cleaning tray 45x30 cm 4 31 Clutches different types such as cone type disc type 1 each 32 Compression testing gauge suitable for diesel Engine 2 33 Connecting rod alignment fixture l 34 Copper bit soldering iron 0 25 Kg 4 35 Cut section model of fuel filter 1 36 Cylinder bore gauge capacity 20 to 160 mm 4 37 Cylinder liner Dry amp wet liner press fit amp slidefit liner 1 each 38 DC Ohmmeter 0 to 300 Ohms mid scales at 20 Ohms 2 39 Depth micrometer 0 25mm 4 40 Dial gauge type 1 Gr A complete with clamping devices and stand 4 41 Different type of Engine Bearing model l set 42 Different type of piston model leach 43 Dividers 15 cm Spring 4 44 Drift Punch Copper 15 Cm 4 45 Drift copper 10 x 15 1 2 mm 2 46 Drill point angle gauge l 47 Drill twist 1 5
8. 0 x 60 cm with 4 vices 12cm Jaw 4 C General Installation Machineries SLNo Item with specification Qty Nos 1 3 furrow disc plough with scrapersyk 1 2 9 tine cultivator spring loaded mounted type il 3 Arbor press hand operated 2 ton capacity 1 4 Automotive exhaust 5 gas analyzer petrol amp Diesel or Diesel Smoke meter 1 5 Bench lever shears 250mm Blade x 3mm Capacity 1 6 Discrete Component Trainer Basic Electronics Trainer 1 7 Drilling machine bench to drill up to 12mm dia along with accessories 1 8 Dual Magnetization Yoke AC HWDC 230 VAC 50Hz 1 set 9 Gas Welding Table 1220mm x760mm 2 10 Grinding machine general purpose D E pedestal with 300 mm dia 1 wheels rough and smooth 11 Liquid penetrant Inspection kit 1 set 12 Multi Scan Tool 1 13 P T O operated rotary lawn mower 1 14 Pipe Bending Machine Hydraulic type 12mm to 30mm 1 15 Pneumatic rivet gun 2 16 Spring tension tester 1 17 Tin smiths bench folder 600 x 1 6mm 1 18 Tractor Diesel Engine 4 stroke for Dismantling and assembling with 2 19 Trolley type portable air compressor single cylinder with 45 liters capacity Air 1 20 Welding plant Oxy Acetylene complete high pressure 1 21 Welding Transformer 150 300 Amps 1 22 Wheel type tractor fitted with diesel engine with standard accessories 2 26 D List of consumable
9. NDT Liquid penetrant and Magnetic particle testing method Portable Yoke method Introduction to Hydraulics amp Pneumatics Definition of Pascal law pressure Force viscosity Description symbols and application in automobile of Gear pump Internal amp External single acting double acting amp Double ended brake systems cylinder Directional control valves 2 2 3 2 4 2 4 3 way valve Pressure relief valve Non return valve Flow control valve used in automobile Pneumatic Symbols Description and function of air Reciprocating Compressor Function of Air service unit FRL Filter Regulator amp Lubricator 21 Identification of different type of Auto Industry History leading manufacturers Vehicle development in automobile industry trends new Demonstration of vehicle product Brief about Ministry of Road transport amp specification data Highways Identification of vehicle information The Automotive Research Association of India Number VIN Demonstration of ARAD National Automotive Testing and R amp D Garage Service station equipments Infrastructure Project NATRIP amp Automobile Vehicle hoists Two post and four Association post hoist Engine hoists Jacks Stands Definition Classification of vehicles on the basis of load as per central motor vehicle rule wheels final drive and fuel used axles position of engine and steering transmission body and load
10. SYLLABUS OF SEMESTER SYSTEM FOR THE TRADE OF Mechanic Tractor Under Craftsmen Training Scheme CTS One Year Two Semesters Redesigned in 2014 By Government of India Ministry of Labour amp Employment DGE amp T Name of the Trade N C O amp NOS Code No Duration of Craftsmen Training Power Norms Space Norms Entry Qualification Unit strength Instructors Qualification GENERAL INFORMATION Mechanic Tractor 7231 10 1 Year Two Semester having duration of six months each 4 8 KW 210 Sq mtr Including Parking room Passed 10 class examination with Maths and Science 16 30 super Numeric a Degree in Agriculture Engineering Automobile Mechanical Engg with specialization in Automobile from recognized university with one year experience in Tractor industry and should possess valid LMV driving license OR Diploma in Agriculture Engineering Agriculture Engineering Automobile Mechanical Engg with specialization in Automobile from a recognized board of Technical education with two year in Tractor industry and should possess valid LMV driving license OR 10 Passed NTC NAC in the Trade of Mechanic TRACTOR with 3 years post qualification experience in the relevant field and and should possess valid LMV driving license and b With National Crafts Instructor Certificate Note 1 At least one Instructor Degree Diploma inAgriculture Engineering Automo
11. Transistors UJT Metal Oxide Field Effect Transistors MOSFETs Logic gates OR AND amp NOT and Logic gates using switches 17 amp 18 Practice to make straight beads and Butt Lap amp T joints Manual Metal Arc Welding Setting of Gas welding flames practice to make a straight beads and joints Oxy Acetylene welding Film on Heat treatment process Introduction to welding and Heat Treatment Welding processes Principles of Arc welding brief description classification and applications Manual Metal Arc welding principles power sources electrodes welding parameters edge preparation amp fit up and welding techniques Oxy Acetylene welding principles equipment welding parameters edge preparation amp fit up and welding techniques Heat Treatment Process Introduction Definition of heat treatment Definition of Annealing Normalizing Hardening and tempering Case hardening Nitriding Induction hardening and Flame Hardening process used in auto components with examples 19 amp 20 Practice on Liquid penetrant testing method and Magnetic particle testing method Identification of Hydraulic and pneumatic components used in vehicle Tracing of hydraulic circuit on hydraulic jack hydraulic power steering and Brake circuit Identification of components in Air Non destructive Testing Methods Importance of Non Destructive Testing In Automotive Industry Definition of
12. bile Mechanical Engg with specialization in Automobile when applied for 02 units 2 Instructor Qualification for WCS amp E D as per the Training Manual 9 For Employability Skills One Contract Part Time Guest Faculty for Generic Module 1 MBA BBA with two years experience OR Graduate in Sociology Social Welfare Economics with Two years experience OR Graduate Diploma with Two years experience and trained in Employability Skills from DGET institutes AND Must have studied English Communication Skills and Basic Computer at 12 Diploma level and above OR Existing Social Study Instructors duly trained in Employability Skills from DGET institutes Distribution of training on Hourly basis Total hours Trade Trade Work Engg Employability Extra week practical theory shop Cal Drawing skills curricular amp Sc activity 42 Hours 27 Hours 5 Hours 3 Hours 3 Hours 2 Hours 2 Hours COURSE INFORMATION TRACTOR MECHANIC 1 Introduction gt An intensive industrial survey was made to ascertain the requirements of skill gap in the automobile sector a scientifically designed survey covering labour market survey web survey was conducted Based on the data obtained the skills are identified and accordingly the syllabus has been drafted Subsequently the Trade expert committed reviewed 2 Terminal Competencies Deliverables After successful completion of the above course the traine
13. c energy of rotation 11 Automobile Group 1 year Trade 1 Semester Engineering Drawing Syllabus for the trade of Mechanic Tractor Week Engineering Drawing 3 Hrs week Importance of engineering drawing as a communication medium different types of drawing Machine Drawing Production Drawing Part Drawing Assembly Drawing Drawing instruments equipment and materials and their uses 2 amp 3 Scales Recommended scales reduced amp enlarged Drawing Sheet sizes AO Al A2 A3 A4 A5 Layout of drawing sheet sizes of title block and its contents Using drawing instruments to draw straight lines rectangles squares circles polygons 4 amp 5 Lettering and Dimensioning Types of Lettering Guide Lines for lettering Recommended sizes of letters and numbers Single stroke letters Dimensioning rules and systems of dimensioning dimensioning a given drawing 6 amp 7 Identify the alphabet of lines Read and Interpret the meaning of various line types with examples Object Lines Hidden Lines Center Lines Phantom Lines Dimension Lines Extension Lines Leaders Break Lines Long break Line Round Solid Hollow Cross Section Section Lines Common Manufacturing Materials Cutting Plane Lines Geometric Construction Bisecting a line perpendiculars parallel lines division of a line Angles bisection trisection Tangent lines touching circles internally and externally Polygon
14. ce of in Flatting Tractor wheels Practice of tyre rotation tyres to correct pressure Repair and maintenance of Fitting wheels on tractors Tightening of tyres and tubes Storage of tyres wheel in correct sequence Descriptions Tirewear Patterns and causes Checking amp adjusting tire pressure by Nitrogen vs atmospheric air in tyres use of air or by Nitorgen 17 Overhauling brakes including cleaning Braking Systems Braking fundamentals amp 18 and inspection of all components Principles of braking Drum amp disc brakes relining shoes setting and actuating shoe clearance Inspection spring of both shoe and lever Inspecting and setting parking brakes Inspecting and setting hydraulic main brake including replacement of washer and oil seals Overhauling serve mechanism as applicable inspecting piston and Lever mechanical advantage Hydraulic pressure amp force Brake fade Braking systems Brake type used on tractor principles Air brakes Braking system components Park brake system Brake pedal Brake lines Brake fluid Bleeding Master cylinder Divided systems Tandem master cylinder Power booster or brake unit Hydraulic 16 valves Bleeding and adjustment of brakes Fault tracing and remedy Skimming of brake drum and disc plate brake booster Applying brakes Brake force Brake light switch Drum brakes amp components Drum brake system Drum brake operation Brake linings amp shoe
15. d big end amp main bearing Assembling crank shaft main bearings connecting rods and piston assembly in the engine fitting cylinder head Setting valve timing Description of crankshaft amp Camshafts Types of their drives Description of Overhead camshaft importance of Cam lobes Crankcase ventilation PCV Camshaft Crank shaft balancing Firing order of the engine Description and function of the fly wheel and vibration damper Timing mark Checking cooling system for overheating under cooling Dismantling cleaning assembling amp testing of water pumps reverse flushing the system Checking of thermostat valve pressure cap Adjusting the fan belt tension Cooling systems Purpose types Heat transfer method effect of boiling point amp pressure coolant properties preparation and recommended change of interval use of antifreezer Cooling system components water pump function of thermostat pressure cap Recovery system amp Thermo switch Function amp types of Radiator Identification of lubrication oil flow circuit in an engine Overhauling oil Lubrication system purposes amp characteristics of oil type of lubricants grade as per SAE amp their pump servicing of oil cooler amp application oil additives type of lubrication centrifugal oil filter Testing oil system pressure Lubrication system components different type of Oil pump Oil filters amp oil cooler Pr
16. d sfc Specific fuel consumption compared Brake mean effective pressure Thermal efficiency Indicated thermal efficiency Brake thermal efficiency petrol vs Diesel 21 Fuels and combustion Calorific value Combustion Products of combustion Relevant combustion equations Air fuel ratio Petrol engine combustion Detonation Pre ignition Octane rating Diesel fuel Flash point Pour point Cloud point Biofuels Liquefied petroleum gas LPG Hydrogen Zero emissions vehicles ZEVs 19 Automobile Group 2 years Trade Engineering Drawing 2 Semester Syllabus for the trade of 1 Mechanic Tractor Week Engineering Drawing 3 Hrs week Nos 2 Semester 1 4 Read and interpret drawings Determine information from the title block Read and interpret industrial prints Read and interpret detailed and assembly drawings Identify casting drawings and machining drawings Read and interpret diagrams Distinguish between a monodetail and a multidetail drawing 5 8 Identify different drawing projections Interpret pictorial and multi view drawings Interpret auxiliary and section views Determine views in a drawing and the significance of the view being shown Identify missing lines and missing views 9 12 Free hand sketching of key and screw threads Read and interpret three Types of screw thread representation pictorial schematic and simplified presentation Terms used in desc
17. e shall be able to perform the following skills with proper sequence Maintains services repairs or overhauls different farm equipment such as Tractors Power tillers Sprayers Drillers etc e Examines and drives vehicle on road or runs engine in stationary position to diagnose troubles and defects e Dismantles part or complete engine or unit according to nature of defects e Repairs or replaces defective parts reassembles them with prescribed settings clearances timings and adjustments by further tooling as necessary and ensures accuracy of fit e Installs assembled or repaired engine securely in position on vehicle controls and other accessories Starts engine and observes performance for any unusual noise and knocks e Adjusts carburettor fuel pump Carburettor for petrol engine and fuel pump for diesel engine sets clearance between tappets and valves tunes engine adjusts brakes makes electrical connections and performs other tasks to ensure stipulated performance e May repair and overhaul electric motors fuel pump carburettor etc of engine e May weld braze or solder parts 3 Employment opportunities On successful completion of the course the candidates can either get employed or become a self employed Entrepreneur in any one of the following fields a Wage Employment b Self Employment 1 Tractor Service Mechanic 1 Tractor Service Mechanic 2 Auto Fitter in Tractor Manufacturing Concernin 3 Tractor Op
18. erator Assembly Shop or Test Shop 4 Spare Parts Salesman 3 Dealers service mechanic 5 Spare Parts Dealer 4 Driver Tractor Operator 5 Spare Parts Sales Assistant Manufacturers Representative 6 Laboratory Assistant 4 Further learning pathways gt gt gt On successful completion of the course trainee can get themselves enrolled in Apprenticeship training in reputed Industrial organisation The qualified candidates have scope for lateral entry into the Diploma courses offered by some of the State Governments The qualified candidates can also get themselves upgraded by taking up the Second Semester at his own convenience in the CTS scheme since the first semester is common to the following trades Craftsman Training Scheme _ ADNDNNHWNY Mechanic Motor Vehicle 2 Years 4 Sem Mechanic Diesel 1 Year 2 Sem Mechanic Motor Cycle 1 Year 2 Sem Mechanic Auto Electrical and Electronics 1 Year 2 Sem Mechanic Agricultural Machinery 2 Years 4 Sem Mechanic Tractor 1 Year 2 Sem Pump Operator cum Mechanic Year 2 Sem Syllabus for the trade of Mechanic Tractor First Semester Semester code No Duration Six Months Syllabus for Trade practical and Trade Theory Week No Trade Practical 27 Hrs week Trade Theory 5 Hrs week Familiarisation with institute Job opportunities in the automobile sector Machinery used in Trade Types of work done by the studen
19. ght of the rotor of an oil pump from the surface of the housing or any other auto component measurement with depth micrometer Measuring practice on valve spring free length Measuring practice on cylinder bore Connecting rod bore inside diameter ID of a camshaft bearing with Telescope gauges Measuring practice on cylinder bore for taper and out of round with Dial bore gauges Measuring practice to measure wear on crankshaft end play crankshaft run out and valve guide with dial indicator Measuring practice to check the flatness of the cylinder head is warped or twisted with straightedge is used with a feeler gauge Measuring practice to check the end gap of a piston ring piston to cylinder wall clearance with feeler gauge Practice to check engine manifold vacuum with vacuum gauge Practice to check the air pressure inside the vehicle tires is maintained at the recommended setting Systems of measurement Description care amp use of Micrometers Outside and depth mirometer Micrometer adjustments Vernier calipers Telescope gauges Dial bore gauges Dial indicators straightedge feeler gauge thread pitch gauge vacuum gauge tire pressure gauge 8 amp 9 Practice on General checking and use of nut studs etc cleaning bolts amp Removal of stud bolt from blind Fasteners Study of different types of screws nuts studs amp bolts locking devices Such as lock nuts cotter split
20. ition timing and adjusting carburetor For slow speeds Tracing of different parts of fuel system Repairing fuel leaks in pipe line and unions Servicing and testing of fuel feed pump Servicing of fuel filters Servicing of fuel Injection Pump Servicing of pressure pump of C R D L Regulator s and Elect Electronic injectors checking operation of C R D I system Overhauling amp Testing of injectors Setting injection timing Bleeding fuel lines for Air locks Testing cylinder compression Checking idle speed Obtaining amp interpreting scan tool data Fault finding amp maintenance remedy care amp Carburetor operation Carburation Carburetor system components Carburetor systems Metering jets Accelerating Carburetor barrels Diesel Fuel Systems Diesel fuel characteristics concept of Quiet diesel technology amp Clean diesel technology Fuel feed system used in Tractor s description and layout Diesel fuel system components Description and function of Diesel fuel injection system types of fuel injection pumps type of drive injectors types and function Governor and their types Distributor type injection pump Cummins amp Detroit Diesel injection Diesel electronic control Diesel electronic control systems DEC Common rail diesel injection system Method of bleeding fuel supply system Glow plugs 12 Dismantle clutch assembly Inspect the parts of clutch Relining of clutch plate
21. les Practice to measure a wheel base of a vehicle with measuring tape Practice to measure valve spring tension using spring tension tester Practice to remove wheel lug nuts with use of an air impact wrench Practice on General workshop tools amp power tools Hand amp Power Tools Marking scheme Marking material chalk Prussian blue Cleaning tools Scraper wire brush Emery paper Description care and use of Surface plates steel rule measuring tape try square Calipers inside and outside Dividers surface gauges scriber punches prick punch center punch pin punch hollow punch number and letter punch Chisel flat cross cut Hammer ball pein lump mallet Screw drivers blade screwdriver Phillips screw driver Ratchet screwdriver Allen key bench vice amp C clamps Spanners ring spanner open end spanner amp the combination spanner universal adjustable open end spanner Sockets amp accessories Pliers Combination pliers multi grip long nose flat nose Nippers or pincer pliers Side cutters Tin snips Circlip pliers external circlips pliers Air impact wrench air ratchet wrenches Torque wrenches pipe wrenches car jet washers Pipe flaring amp cutting tool pullers Gear and bearing 6 amp 7 Measuring practice on Cam height Camshaft Journal dia crankshaft journal dia Valve stem dia piston diameter and piston pin dia with outside Micrometers Measuring practice on the hei
22. llast resistor Stripping wire insulation cable colour codes and sizes Resistors in Series circuits Parallel circuits and Series parallel circuits Electrostatic effects Capacitors and its applications Capacitors in series and parallel ammeter use of service manual wiring diagram for troubleshooting 15 Cleaning and topping up of a lead acid battery Testing hydrometer Connecting battery to a charger for battery charging Inspecting amp testing a Measure and Diagnose the cause s of excessive Key off battery drain parasitic draw and do corrective action Testing of relay and solenoids and its circuit battery with battery after charging Description of Chemical effects Batteries amp cells Lead acid batteries amp Stay Maintenance Free SMF batteries Magnetic effects Heating effects Thermo electric energy Thermisters Thermo couples Electrochemical energy Photo voltaic energy Piezo electric energy Electromagnetic induction Relays Solenoids Primary amp Secondary windings Transformers stator and rotor coils 16 Identify and test power and signal connectors for continuity Identify and test different type of Diodes NPN amp PNP Transistors for its functionality Construct and test simple logic circuits OR AND amp NOT and Logic gates using switches Basic electronics Description of Semi conductors Solid state devices Diodes Transistors Thyristors Uni Junction
23. loy steel 13 Properties and uses in automobile industries copper zinc lead tin aluminum brass bronze solder bearing metals timber and rubber Nylon P V C PP poly prop line polymer 14 15 Materials Stress strain Definition of Stress Types of stress Tensile compressive shear Examples of the three basic stresses in automotive components calculation of stress and strain in automotive application Stress raisers Strain Tensile compressive Shear strain Tensile strength Factor of safety Torsional stress Strain energy 16 Definition of cold working and Hot working and its properties on sheet metal Advantage ofi Deep drawing material Importance of Iron carbon diagram in heat treatment process 17 Different Type of cutting fluids and their properties Calculation of cutting speed feed and drilling time 18 19 Forces Definition of Force Types of force examples Direct forces Attractive forces Explosive forces Describing forces Graphical representation of a force Addition of forces Parallelogram of forces Triangle of forces Resolution of forces Mass Equilibrium Pressure Pressure in hydraulic systems Hooke s law Practical applications 20 21 Work energy power Definition and calculation of Work Power and Work done by a torque Definition and calculation of Energy Potential energy Chemical energy Conservation of energy Energy equation Kinetic energy Energy of a falling body Kineti
24. mm to 15 mm various sizes by 0 5 mm 4 48 Electric Soldering Iron 230 V 60 watts 230 V 25 watts 2 each 49 Electric testing screw driver 4 50 Engineer s square 15 cm Blade 4 51 Engineers stethoscope l 52 Equipment puncture in box 1 53 Feeler gauge 20 blades metric 2 54 File flat 20 cm bastard 4 22 55 File half round 20 cm second cut 4 56 File Square 20 cm second cut 4 57 File Square 30 cm round 4 58 File triangular 15 cm second cut 4 59 Files assorted sizes and types including safe edge file 20 Nos 2 set 60 Flat File 25 cm second cut 4 6l Flat File 35 cm bastard 4 62 Fuel feed pump for Diesel 1 63 Fuel injection pump Diesel inline l 64 Glow plug tester 2 65 Granite surface plate 1600 x 1000 with stand and cover l 66 Grease Gun 2 67 Grover 3 4 6mm 1 Each 68 Growler 2 69 Hacksaw frame adjustable 20 30 cm 10 70 Hammer Ball Peen 0 75 Kg 4 71 Hammer Chipping 0 25 Kg 4 72 Hammer copper 1 Kg with handle 4 73 Hammer Mallet 4 74 Hammer Plastic 2 75 Hand operated crimping tool i for crimping up to 4mm and ii foy 2 crimping up to 10mm 76 Hand reamers adjustable 10 5 to 11 25 mm 11 25 to 12 75 mm 12 75 tol 2sets 14 25 mm and 14 25 to 15 75 mm T11 Hand Shear Universal 250mm 2 78 Hand vice 37 mm 2 79 High rate discharge tester cell tester 1 80 Hollow P
25. nd necessary construction and function of mechanical steering repair system steering wheel steering gear box tie rod Remove steering wheel Overhauling of arms link ball and socket joints etc their movement steering gear box of tractor and adjustment Description and mechanism of foot Remove front axle and spindle hub and steerage pedal as incorporated in tractors steering linkage Description working and principle of hydraulic Reassembling steering assembly and steering system Different parts such as pump Test for correct function Checking distributor valves pipe line and hoses etc inspect layout of different parts of Development of mechanical framing Use of Power Hydraulic steering system tiller Tractor amp Bulldozer Chassis frame of Practice on visual Inspection of chassis tractor frame for crack bent and twists Overhauling and Inspection of shackle front amp rear suspension Lubricating a suspension system 16 Remove wheels from tractor Wheels amp Tyres Description construction and Dismantle wheel for checking rims function of Wheel Rim sizes Types amp sizes of tyres for wear and tubes for leaks tyres Solid pneumatic amp Radial Ply rating Repairing derusting painting Tyre materials Hysteresis amp designations Tyre Fitting of tyres and tubes on rim amp information Tyre tread designs Tyre ratings for inflate to correct pressure Balancing of temperature amp traction Importan
26. nder block Cylinder block Measurement of cylinder liner amp construction types of cylinder blocks amp cylinder crankshaft for ovality and taperness liners Description amp functions of different types of Overhauling piston and connecting rod pistons piston rings and piston pins and materials assembly with use of service manual for Used recommended clearances for the rings and its clearance and other parameters necessity precautions while fitting rings common Practice on removing oil sump and oil troubles and remedy pump clean the sump 5 Practice on removing the big end Description amp function of connecting rod bearing connecting rod with the piston Practice on removing the piston rings importance of big end split obliquely Materials used for connecting rods big end amp main bearings 13 Dismantle the piston and connecting rod Check the side clearance of piston rings in the piston groove amp lands for wear Check piston skirt and crown for damage and scuffing clean oil holes Measure the piston ring close gap in the cylinder clearance between the piston and the liner clearance between crank pin and the connecting rod big end bearing Shells piston pins and locking methods of piston pins Recommended clearances for the cylinder liners amp rings Bearing failure amp its causes care amp maintenance Check connecting rod for bend and twist Setting of Connecting ro
27. ng 2 150 Stake hatchet 2 151 Starter motor for tractor different type 1 each 152 Steel measuring tape 10 meter in a case 4 153 Steel rule 15 cm inch and metric 4 154 Steel rule 30 cm inch and metric 4 155 Steel wire Brush 50mmx150mm 4 156 Stone carborandum 15 x 5 x 4cm smooth and rough leach 157 Straight edge gauge 2 ft 2 158 Straight edge gauge 4 ft 2 159 Stud extractor set of 3 2 sets 160 Stud remover with socket handle l 161 Surface gauge with dial test indicator plunger type i e 0 01 mm 2 162 Tachometer Counting type 1 163 Taps and Dies complete sets 5 types 1 set 164 Taps and wrenches Metric 2 sets 165 Telescope gauge 4 166 Temperature gauge 0 100 deg c 2 167 Thermostat 2 168 Thread pitch gauge metric BSW l 169 Timing lighter 170 Torque wrenches 5 35 Nm 12 68 Nm amp 50 225 Nm 1 each 171 Trammel 30 cm 2 172 Turbocharger cut sectional view l 173 Tyre pressure gauge with holding nipple 2 174 Universal puller for removing pulleys bearings 1 175 V Block 75 x 38 mm pair with Clamps 2 176 Vacuum gauge to read 0 to 760 mm of Hg 2 177 Valve Lifter l 178 Valve spring compressor universal 1 179 vernier caliper 0 300 mm with least count 0 02mm 4 180 Vice grip pliers 2 181 Voltmeter 50V DC 4 182 Water pump for dismantling and assembling 2 183 Wing compass 25 cm 2 25 184 Wire Gauge metric 4 185 Work bench 250 x 12
28. obable reasons for low high oil pressure high oil consumption and their remedies Servicing of air cleaner Oil bath Intake amp exhaust systems Description of Diesel Checking amp changing an air filter induction amp Exhaust systems Description amp Dismantling amp assembling of function of air compressor exhauster Super turbocharger check for axial clearance as per service manual Checking of Exhaust Gas Recirculation Check Exhaust system for rubber mounting for damage deterioration and out of position for leakage loose connection dent and damage Practice on Exhaust manifold removal and installation Practice on Catalytic converter removal charger Intercoolers turbo charger variable turbo charger mechanism Intake system components Description and function of Air cleaners Different type air cleaner Description of Intake manifolds and material Exhaust system components Description and function of Exhaust manifold Exhaust pipe Mufflers Reactive absorptive Combination Electronic mufflers Catalytic converters Back pressure Diesel particulate filter Exhaust Gas 14 and installation Recirculation EGR 10 amp 11 Repair to a tractor carburetors adjusting float level and slow speed adjustments studying the fuel flow circuit in carburetor Practice in engine tune up in a vehicle testing vacuum and compression of engine adjusting tappets setting ign
29. r 1 116 Power Supply 0 12 v lamp 1 117 Prick Punch 15 cm 4 118 Punch Letter 4mm 2 set 119 Radiator cut section cross flow 1 120 Radiator cut section down flow 121 Radiator pressure cap 2 122 Rake 1 123 Rear axle assembly gear box steering box assembly of the diesel engine 2 set 124 Ridger 2 125 Right cut snips 250mm 4 126 Rivet sets snap and Dolly combined 3mm 4mm 6mm 4 127 Scraper flat 25 cm 2 128 Scraper half round 25 cm 2 129 Scraper Triangular 25 cm 2 130 Scriber 15 cm 2 131 Scriber with scribing black universal 2 132 Set of stock and dies UNC UNF and metric 2 sets 133 Shear Tin Man s 450 mm x 600mm 4 134 Sheet Metal Gauge 2 135 Sher Tinmans 300mm 4 136 Shovel 2 137 Soldering Copper Hatchet type 500gms 4 138 Solid Parallels in pairs Different size in Metric 2 139 Spanner Clyburn 15 cm l 140 Spanner D E set of 12 pieces 6mm to 32mm 4 24 141 Spanner T flocks for screwing up and up screwing inaccessible positions 2 142 Spanner adjustable 15cm 2 143 Spanner ring set of 12 metric sizes 6 to 32 mm 2 144 Spanners socket with speed handle T bar ratchet and universal upto 32 2 mm set of 28 pieces with box 145 Spark lighter 2 146 Spark plug spanner 14mm x 18mm x Size 2 147 Spirit level 2V 250 05 metre 2 148 Spring tension tester 1 149 Stake groovi
30. ribing a threaded Part Designation of Thread Specifications Left Hand Thread Notations read and interpret the different type of Finish Symbols Fillets and Rounds and Machine Slots 13 Drawing of I C engine Diesel and their parts 14 Sketching of otto cycle Diesel cycle valves and valve timing diagram 15 Free hand sketch of piston assembly Free hand sketching of piston gudgeon pins rings and connecting rod 16 Free hand sketching of crank shaft and cam shaft showing all parts 17 Free hand sketching of cylinder block and cylinder head cylinder liners 18 Free hand sketching of different cooling system showing all necessary parts such as water pump thermostatic valve Radiator etc 19 Free hand sketching of lubrication system showing all necessary parts such as filters oil pump pressure release valve etc 20 Free hand sketching of power take off PTO system Freehand sketching of staring system 21 Freehand sketching of charging system and solenoid switch circuit SYLLABUS FOR EMPLOYABILITY SKILLS SEMESTER II PI ref to www dget nic in 20 TRADE MECHANIC TRACTOR LIST OF TOOLS amp EQUIPMNT A TRAINEES TOOL KIT per 4 Trainees FOR 20 TRAINEES 1 ISTRUCTOR SLNo Item with specification Qty Nos l Allen Key set of 12 pieces 2mm to 14mm 5 1 De Caliper inside 15 cm Spring 6 3 Calipers ou
31. s Backing plate Wheel cylinders Disc brakes amp components Disc brake system Disc brake operation Disc brake rotors Disc brake pads Disc brake calipers Proportioning valves Proportioning valve operation Brake friction materials 19 Overhauling power tiller transmission system includes main clutches steering clutch brakes mechanism gear box and wheel hub testing for field operation without implements and with implements Driving practice with trolley trailer Description working principle amp use of power tiller two wheel tractor power unit Method of power transmission to wheel from engine Main clutch assembling working procedure steering Clutch brakes mechanism method of power transmission to implement Rotation irrigation pump thresher Hitching of M B Plough trailer disc harrow 20 Checking implements such as ploughs harrows cultivators seed drills tractor trailer amp P T O units etc for serviceability before use Lubricate them as required Hitching practice single amp three point Exercise in driving a tractor with different implements Adjusting agriculture implements for correct functioning during field operation Tractor equipment Description function of harrows cultivators seed drills amp tractor trailer Hitching of equipment Danger in overloading amp incorrect field operation Average life of Agriculture implements Description and function of tractor accessorie
32. s Calculation of Tap drill sizes for metric and inch taps Different type of Die and Die stock Screw extractors Hand Reamers Different Type of hand reamers Drill size for reaming Lapping Lapping abrasives type of Laps 12 Practice on making Rectangular Tray Pipe bending Fitting nipples unions in pipes Soldering and Brazing of Pipes Sheet metal State the various common metal Sheets used in Sheet Metal shop Sheet metal operations Shearing bending Drawing Squeezing Sheet metal joints Hem amp Seam Joints Fastening Methods Riveting soldering Brazing fluxes used on common joints Sheet and wire gauges The blow lamp its uses and pipe fittings 13 Practice in joining wires using soldering Iron Construction of simple electrical circuits Measuring of current voltage and resistance using digital multimeter practice continuity test for fuses jumper wires fusible links circuit breakers Basic electricity Electricity principles Ground connections Ohm s law Voltage Current Resistance Power Energy Voltmeter ammeter Ohmmeter Mulitmeter Conductors amp insulators Wires Shielding Length vs resistance Resistor ratings 14 Diagnose series parallel series parallel circuits using Ohm s law Check electrical circuit with a test lamp perform voltage drop test in circuits using multimeter measure current flow using multimeter Fuses amp circuit breakers Ba
33. s Regular polygons circumscribed and inscribed in circles Conic sections Definitions of focus directrix eccentricity Construction of Ellipse by Concentric circles method Construction of parabola by rectangular method 12 amp 13 Orthographic Projection Definition Planes of Projection Four quadrants Reference Line First angle projection Third angle projection 14 17 Isometric Projection Definition Isometric axes lines and planes Isometric Scale Isometric view Drawing of isometric views of plane figures Drawing of isometric views of prisms and pyramids Drawing of isometric view of cylinders and cones 18 21 Development of Surfaces Need for preparing development of surface Concept of true length Principal methods of development Development of simple solids like cubes prisms cylinders pyramids cones SYLLABUS FOR EMPLOYABILITY SKILLS SEMESTER I pl ref to www dget nic in 12 Automobile Group 1 year Trade Syllabus for the trade of Mechanic Tractor Second Semester Semester code No Duration Six Months Syllabus for Trade practical and Trade Theory Week Trade Practical 27 Hrs week Trade Theory 5 Hrs week NO 1 Demonstration of tractor specification Tractor Industry in India leading manufacturers data development in Tractor industry trends new Identification of different major product assemblies of tractor and Cleaning of S
34. s such as Draw bar top link amp Belly Pulley Setting of draw bar to correct height Use of Hydraulic lift Maintenance of tractor accessories 21 Practice on removing alternator from vehicle dismantling cleaning checking for defects assembling and testing for motoring action of alternator amp fitting to vehicles Practice on removing starter motor vehicle and overhauling the starter motor testing of starter motor Servicing storage batteries Tracing lighting circuit fault rectification Tractor Electrical Maintenance Lighting arrangement in tractors As applicable Description of charging circuit Operation of alternator regulator unit ignition warning lamp troubles and remedy in charging system Fault finding in electrical system Description of starter motor circuit common troubles and remedy in starter circuit Description of lighting circuit Charging amp discharging of lead acid battery 22 23 In plant Training 24 25 Revision and Test 26 NCVT Exam 17 Automobile Group 2 years Trade 2 Semester Workshop Calculation and Science Syllabus for the trade of 1 Mechanic Tractor Week Workshop calculation and No Science 3 Hrs week 2 Semester Factorisation and quadratics multiply expressions in brackets by a number symbol or by another expression in a bracket by extraction of a common factor eg ax ay a x 2 b x 2 by grouping eg ax a
35. ts in the shop floor Admission amp introduction to the trade Introduction to the Course duration course content study of the syllabus General rule pertaining to the Institute facilities available Hostel Recreation Medical and Library working hours and time table Practical related Health Importance of maintenance cleanliness of Workshop Interaction with health centre and fire service station to provide demo on First aid and Fire safety Use of fire extinguishers Demonstration on safe handling and Periodic testing of lifting equipment and Safety disposal of Used engine oil Energy saving Tips of ITI electricity Usage to Safety and and Occupational Safety amp Health Importance of Safety and general Precautions to be observed in the shop Basic first aid safety signs for Danger Warning caution amp personal safety message Safe handling of Fuel Spillage Fire extinguishers used for different types of fire Safe disposal of toxic dust safe handling and Periodic testing of lifting equipment Authorization of Moving amp road testing vehicles Energy conservation Definition Energy Conservation Opportunities ECOs Minor ECos and Medium ECOs Major ECOs Safety disposal of Used engine oil Electrical safety tips 3 5 Practice using all marking aids like steel rule with spring calipers dividers scriber punches Chisel etc Layout a work piece for line circle arcs and circ
36. tside 15 cm spring 6 4 Center Punch 10 mm Dia x 100 mm 6 5 Dividers 15 cm Spring 6 6 Electrician Screw Driver 250mm 6 7 Hammer ball peen 0 5 kg with handle 6 8 Hands file 20 cm Second cut flat 6 9 Philips Screw Driver set of 5 pieces 100 mm to 300 mm 6 10 Pliers combination 20 cm 6 11 Screw driver 20cm X 9mm Blade 6 12 Screw driver 30 cm X 9 mm Blade 6 13 Scriber 15 cm 6 14 Spanner D E set of 12 pieces 6mm to 32mm 6 15 Spanner ring set of 12 metric sizes 6 to 32 mm 6 16 Spanners socket with speed handle T bar ratchet and universal upto 32 6 mm set of 28 pieces with box 17 Steel rule 30 cm inch and metric 6 18 Steel tool box with lock and key folding type 400x200x150 mm 6 19 Wire cutter and stripper 6 B Tools Instruments and General Shop outfits SI No Item with specification Qty Nos 1 AC alternator slip ring puller l 2 Adjustable spanner pipe wrench 350 mm 2 3 Air blow gun with standard accessories l 4 Air impact wrench with standard accessories 4 5 Air ratchet with standard accessories 4 6 Allen Key set of 12 pieces 2mm to 14mm 2 T Alternator for tractor different type 2 8 Ammeter 300A 60A DC with external shunt 4 9 Angle plate adjustable 250x150x175 1 10 Angle plate size 200x100x200mm 2 21 11 Anvil 50 Kgs with Stand 1 12 Arbor
37. tudy of tractors dozers amp their major assemblies tractors oil greasing and lubricating all and different make indigenous moving parts of tractor Practice on Constructional differences between tractor and starting and stopping of tractor engine dozers and their merits Different type of Tractor starting method and stopping 2 Dismantling of tractor engine as per Engine Basics procedure amp Inspection of components Classification of engines Principle amp working of for dimension and wear 2 amp 4 stroke diesel engine Compression ignition Engine C D Principle of Spark Ignition Engine SI differentiate between 2 stroke and 4 stroke C I engine and S I Engine Direct injection and Indirect injection Brief on common rail diesel injection engine Engine output compression pressure Compression ratio 3 Remove cylinder head from engine Engine Components Overhauling of cylinder head assembly working principle amp construction of cylinder heads with use of service manual for clearance types of combustion chambers Function of Engine and other parameters Valves different types materials Type of valve Practice on removing rocker arm operating mechanism Importance of Valve seats amp assembly manifolds fitting of valve inserts importance of Valve movement Valve guide stem oil seals Valve timing diagram and concept of Variable valve timing 4 Cylinder block overhaul Description of Cyli
38. unch set of seven pieces 6mm to 15mm 2 sets each 81 Hydraulic jack HI LIFT type 3 ton capacity 1 82 Injector Multi hole type Pintle type 4 each 83 Injector cleaning unit l 84 Injector testing set Hand tester 1 85 Insulated Screw driver 20 cm x 9mm blade 8 86 Insulated Screw driver 30 cm x 9mm blade 8 87 Left cut snips 250mm 4 88 Lifting jack screw type 3 ton capacity 4 89 Magneto spanner set with 8 spanners 1 set 90 Magnifying glass 75mm 2 91 Marking out table 90X60X90 cm l 92 Multi Scan Tool l 93 Multimeter digital 5 94 Oil can 0 5 0 25 liter capacity 2 95 Oil pump for dismantling and assembling 2 96 Oil Stone 15 cm x 5 cm x 2 5 cm 1 23 97 Oscilloscope 20MHz 1 98 Outside micrometer 0 to 25 mm 4 99 Outside micrometer 25 to 50 mm 4 100 Outside micrometer 50 to 75 mm 1 101 Outside micrometer 75 to 100 mm l 102 Pat melting 2 103 Philips Screw Driver set of 5 pieces 100 mm to 300 mm 2 sets 104 Pipe cutting tool 2 105 Pipe flaring tool 2 106 Piston ring compressor 2 107 Piston Ring expander and remover 2 108 Piston Ring groove cleaner 1 109 Pliers combination 20 cm 2 110 Pliers flat nose 15 cm 2 111 Pliers round nose 15 cm 2 112 Pliers side cutting 15 cm 2 113 Poker 2 114 Portable electric drill Machine 1 115 Portable oil monitoring Indicato
39. y bx by quadratic expressions eg a 2ab b roots of an equation eg quadratic equations with real roots by factorisation and by the use of formula 1 amp 2 3 Geometry Use of scientific calculator logarithmic table Angles Angular measurement Angles and rotation Examples of angles in automotive work Adding and subtracting angles Types of angle Adjacent angles Opposite angles Corresponding angles Alternate angle Trigonometry Types of triangle Acute angled triangle Obtuse angled triangle Equilateral triangle Isosceles triangle Scalene triangle Right angled triangle Labelling sides and angles of a triangle Sum of the three angles of a triangle Pythagoras theorem Circles Ratio of diameter and circumference Length of arc Timing marks Wheel revolutions and distance travelled Valve opening area Trigonometry Using sines cosines and tangents to solve vehicle problems Formulae for Perimeter and Area of Plane figure Rectangle Square Parallelogram Triangle Hexagon any regular polygon Trapezium Circle sector Fillet Ellipse segment of a circle Formulae for Volume and surface area of solids Rectangular solid Prism cylinder pyramids and cones Frustum of pyramid and cones sphere Hollow sphere segment of sphere circular ring spherical sector Calculation of volume and weight of simple solid bodies such as cubes square and hexagonal prism shop problem 4 6 11 13 Statistics
Download Pdf Manuals
Related Search