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MTD 428C Tiller User Manual

1. o ENGINE INTERFACE ENGINE SIDE VOLTAGE REGULATOR RECTIFIER MAIN RELAY e MAIN PANEL HARNESS P N 23540 P4 MATES WITH SEAT FRAME HARNESS P N 23541 J1 SEAT FRAME HARNESS P N 23541 J1 MATES WITH MAIN PANEL HARNESS P N 23540 P4 MAIN PANEL HARNESS P N 23540 P5 MATES WITH MAIN FRAME HARNESS P N 23542 J1 MAIN FRAME HARNESS P N 23542 J1 MATES WITH MAIN PANEL HARNESS P N 23540 P5 SEAT SWITCH o REAR LIGHT 12 0 LEFT FRONT LIGHT 4 2 i99 RIGHT FRONT LIGHT 5 SPRAY SWITCH 5 SPRAY PUMP MOTOR i PAGE 38 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 TROUBLESHOOTING Troubleshooting Engine Spark plug bridging Check gap insulation or replace spark plug Carbon deposit on spark plug Clean or replace spark plug Short circuit due to deficient spark plug insulation Water in fuel tank Difficult to start fuel is available but no spark at spark plug If insufficient compression repair or replace Spark plug is bluish white engine If injected air leaking correct leak If carburetor jets clogged clean carburetor Check spark plug insulation replace if worn Check transistor ignition unit is broken and replace defective unit Check if voltage cord cracked or broken and replace Check if spark plug if fouled and replace Add oil as required Oil pressure alarm lamp blinks
2. Encloses drive belt used in conjunction with clutch Charcoal Canister Charcoal activated system that absorbs or traps fuel vapors Basic component of evaporative emissions control systems Safety Kill Switch Shuts down engine when seat is not occupied by operator L gt e EL Ir ON PETERMAN EM EL NSN Figure 3 Components Rear JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 17 BASIC ENGINE Figure 4 Engine Components INITIAL SERVICING The engine Figure 4 must be checked for proper lubrication and filled with fuel prior to operation Refer to the manufacturer s engine manual for instructions and details of operation and servicing 1 Muffler Used to reduce noise and emissions Engine components can generate extreme E heat To prevent burns DO NOT touch these areas while the engine is running or immediately after operating NEVER operate the engine with the muffler removed 2 Air Cleaner Prevents dirt and other debris from entering the fuel system Unsnap air filter cover to gain access to filter element Choke Knob Used in the starting of a cold engine or in cold weather conditions The choke enriches the fuel mixture 4 Engine ON OFF Switch ON position permits engine starting OFF position stops engine operations 5 Fuel Filter Filters fuel for contaminants 6 Oil Filter
3. ALWAYS make sure the trailer that supports the trowel and the towing vehicle are mechanically sound and in good operating condition ALWAYS shutdown engine before transporting Make sure the hitch and coupling of the towing vehicle are rated equal to or greater than the trailer gross vehicle weight rating ALWAYS inspect the hitch and coupling for wear NEVER tow a trailer with defective hitches couplings chains etc E Check the tire air pressure on both towing vehicle trailer Trailer tires should be inflated to 50 psi cold Also check the tire tread wear on both vehicles ALWAYS make sure the trailer is equipped with a safety chain ALWAYS properly attach trailer s safety chains to towing vehicle ALWAYS make sure the vehicle and trailer directional backup brake and trailer lights are connected and working properly i DOT Requirements include the following Connect and test electric brake operation Secure portable power cables in cable tray with tie wraps The maximum speed for highway towing is 55 MPH unless posted otherwise Recommended off road towing is not to exceed 15 MPH or less depending on type of terrain Avoid sudden stops and starts This can cause skidding or jack knifing Smooth gradual starts and stops will improve towing Avoid sharp turns to prevent rolling JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 11 SAFE
4. Spin on type filters oil for contaminants 7 Throttle Lever Controlled by accelerator pedal increases or decreases engine RPM 8 Oil Filler Cap Remove to add engine oil 9 Oil Dip Stick Remove to check amount and condition of oil in crankcase 10 Starter Starts engine when ignition key is rotated to the ON position Oil Drain Plug Remove to drain crankcase oil 12 Spark Plug Provides spark to the ignition system Set spark plug gap to 0 6 0 7 mm 0 028 0 031 inch Clean spark plug once a week 13 Fuel Tank Five gallon capacity use unleaded gasoline 14 Fuel Filler Cap Remove this cap to add unleaded gasoline to the fuel tank Make sure cap is tightened securely DO NOT overfill DANGER Add fuel to the tank only when the engine is stopped and has had an opportunity to cool down In the event of a fuel spill DO NOT attempt to start the engine until the fuel residue has been completely wiped up and the area surrounding the engine is dry PAGE 18 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 SET UP The purpose of this section is to assist the user in setting up a NEW trowel If your trowel is already assembled seat handles knobs and battery this section can be skipped NOTICE The new trowel cannot be placed into service until the setup installation instructions are completed Before packaging and ship
5. 12 12 SAFETY INFORMATION TROWEL SAFETY DANGER E Engine fuel exhaust gases contain poisonous carbon monoxide This gas is colorless and odorless and can cause death if inhaled I The engine of this equipment requires an adequate free flow of cooling air NEVER operate this equipment in any enclosed or narrow area where free flow of the air is restricted If the air flow is restricted it will cause injury to people and property and serious damage to the equipment or engine NEVER operate the equipment an explosive atmosphere or near combustible materials An explosion or fire could result causing severe bodily harm or even death E f applicable NEVER use your hand to find hydraulic leaks Use a piece of wood or cardboard Hydraulic fluid injected into the pe skin must be treated by a knowledgable physician immediately or severe injury or death can occur ALWAYS keep clear of rotating or moving parts while operating the trowel B NEVER disconnect any emergency or safety devices These devices are intended for operator safety Disconnection of these devices can cause severe injury bodily harm or even death Disconnection of any of these devices will void all warranties i NEVER allow passengers or riders on the trowel during operation NEVER lubricate components or attempt service on a running machine NEVER place your feet or hands inside the guard rings while starting or
6. 310 943 2238 Tel 52 222 225 9900 Fax 52 222 285 0420 Contact pmastretta cipsa com mx CANADA Multiquip 4110 Industriel Boul Laval Quebec Canada H7L 6V3 Contact jmartin multiquip com COPYRIGHT 2012 MULTIQUIP INC Multiquip Inc the MQ logo and the Whiteman logo are registered trademarks of Multiquip Inc and may not be used reproduced or altered without written permission All other Tel 450 625 2244 Tel 877 963 4411 Fax 450 625 8664 trademarks are the property of their respective owners and used with permission MQ Parts Department 800 427 1244 Fax 800 672 7877 310 537 3700 Fax 310 637 3284 Warranty Department 800 421 1244 Fax 310 943 2249 310 537 3700 UNITED KINGDOM Multiquip UK Limited Head Office Tel 0161 339 2223 Fax 0161 339 3226 Unit 2 Northpoint Industrial Estate Globe Lane Dukinfield Cheshire SK16 4UJ Contact sales multiquip co uk This manual MUST accompany the equipment at all times This manual is considered a permanent part of the equipment and should remain with the unit if resold The information and specifications included in this publication were in effect at the time of approval for printing Illustrations descriptions references and technical data contained in this manual are for guidance only and may not be considered as binding Multiquip Inc reserves the right to discontinue or change specifications design or the information published in this p
7. NOT attempt to insert hands or tools into the belt area while the engine is running NEVER run the engine with the safety guards removed Keep fingers hands hair and clothing away from all moving parts to prevent bodily injury DO NOT remove the drive belt guard cover until the muffler has cooled Allow the entire trowel 10 cool down before performing this procedure BELT GUARD REMOVAL To gain access to the drive belt remove Drive Belt Guard Figure 16 REMOVE 8 PLACES Figure 16 Drive Belt Gurad Removal JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 25 MAINTENANCE SPARE DRIVE BELT REMOVAL USING REPLACEMENT DRIVE BELT The JWN SERIES Ride On Power Trowel is equipped with a replacement drive belt spare carrier which is mounted on the inboard side of the left side gearbox Make sure that there is ALWAYS a spare drive belt in the drive belt carrier before the trowel is placed on a slab to finish concrete In the event of a drive belt failure the spare replacement drive belt can be used for quick replacement at the job site for continued trowel operation 1 To replace an existing drive belt with the spare drive belt remove the 2 bolts that secure the spare belt holder to the left side gearbox adapter plate Figure 17 Take care not to contaminate the replacement drive belt with grease or dirt REMOVE SPARE DRIVE 2 PLACES BELT HOLDER S
8. Square Values of amplitudes on each axis standardized an 8 hour exposure period and obtained using operating condition of the machine that generates the most repeatable but highest values in accordance with the applicable standards for the machine 3 Per EU Directive 2002 44 EC the daily exposure action value for whole body vibration is 0 5 m s 8 The daily exposure limit value is 1 15 m s Y A 8 Table 3 Engine Specifications Dimensions Model Honda GX690RTAF Engine V Twin 2 cylinder gasoline engine 35 6 Ibf ft at 2 500 rpm Cooling System ar 1 6 qt 1 50 liters Engine Oil Capacity 1 8 qt 1 7 liters w oil filter replacement Unleaded gasoline Fuel Octane rating of 86 or higher Maximum 1096 ethanol See engine manual for further details Electric Start CDI Type Magneto Ignition 99 9 Ibs 45 3 kg PAGE 14 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 GENERAL INFORMATION JWN SERIES RIDE ON POWER TROWEL FAMILIARIZATION The JWN Series Ride On Power Trowel is designed for the floating and finishing of concrete slabs Take a walk around your trowel Take notice of all the major components like the engine blades air cleaner fuel system fuel shut off valve ignition switch etc Check that there is always oil in the engine and gear oil in the gearbox assembly Read all the safety instructions carefully Safety instructions will be found throughout thi
9. Starter damaged or internally shorted Replace starter Check and clean valves Check muffler and Over accumulation of exhaust products replace if necessary Burns too much fuel Menem ES eplace spark plug with manufacturer s Wrong Spare Puy suggested type Lubricating oil is wrong viscosity Replace lubricating oil with correct viscosity Exhaust color is continuously white Replace rings Air cleaner clogged Clean or replace air cleaner Choke valve set to incorrect position Adjust choke valve to correct position Carburetor defective seal on carburetor broken Poor carburetor adjustment engine runs too ON OFF device not activated ON Turn on ON OFF device Will not start no power with key if Battery disconnected or discharged Check cable connections Charge or replace applicable battery Ignition switch wiring defective Replace ignition switch Check wiring Exhaust color is continuously black Replace carburetor or seal PAGE 40 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 TROUBLESHOOTING Troubleshooting Ride On Mechanical Trowel symptom Possible Problem _ Solution Make sure that the stop switch is functioning when the Stop switch malfunction TON operator is seated Replace switch if necessary Look at the fuel system Make sure there is fuel being Engine running rough or not at all Fuel supplied to the engine Check to ensure tha
10. This trowel was shipped with a wet charged battery This battery may need to be charged for a brief period of time as per the manufacturer instructions Use all safety precautions specified by the battery manufacturer when working with the battery Reference the safety section of this manual for additional information To install the battery on the trowel make sure that the battery is well seated in the battery box Connect the positive cable to the positive terminal on the battery first then connect the negative cable to the negative terminal Close the plastic battery box cover and secure the battery box JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 19 INSPECTION The following section is intended as a basic guide to the ride on trowel operation and is not to be considered a complete guide to concrete finishing It is strongly suggested that all operators experienced and novice read Slabs on Grade published by the American Concrete Institute Detroit Michigan DO NOT use your ride on power trowel until this section is thoroughly understood Failure to understand the operation of the trowel could result in severe damage to the machine or personal injury ENGINE OIL LEVEL ALWAYS check engine oil before each use 1 Pull the engine oil dipstick Item 2 Figure 5 from its holder 2 Determine if engine oil is low Figure 5 Engine Oil Dipstick NOTICE To prevent exte
11. Trowel Arm Flatness 3 Next checkthe clearance between the round shaft and the test surface as one of the flat hex sections of the arm rests on the test surface Rotate the arm to each of the flat hex sections and check the clearance of the round shaft Use a feeler gauge of 005 0 127 mm Each section should have the same clearance between the round of the trowel arm shaft and the test surface 4 Ifthe trowel arm is found to be uneven or bent replace the trowel arm Trowel Arm Adjustment 1 Locate the trowel arm adjustment tool Figure 33 P N 9177 Adjustment Bolt Locking Nut Distance Fixture Arm Figure 33 Trowel Arm Adjustment Tool Side View 2 Ensurethefixture armis inthe proper setting up or down for your trowel arm rotation as shown in Figure 34 NOTICE Arms with clock wise blade rotation use the fixture arm in the UP position A in Figure 34 Arms with counter clock wise blade rotation use the fixture with the fixture arm in the DOWN position B in Figure 34 Figure 34 Trowel Arm Adjustment Setup JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 33 3 Shown in Figure 35 is the adjustment fixture with a trowel arm inserted As each trowel arm is locked into the fixture the arm bolt is adjusted to where it contacts a stop on the fixture This will consistently adjust all of the trowel arms keeping the finisher as flat and even
12. cap breather hole clogged Clean or replace fuel tank cap Air in fuel line Bleed fuel line Torque cylinder head bolts and spark plug JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 39 TROUBLESHOOTING Troubleshooting Engine continued Symptom __ Posse Problem Solution Wero d aims uou Water in fuel system Flush fuel system and replace with correct Weak in power compression is proper but type of fuel misfires Dirty spark plug Clean or replace spark plug Ignition coil defective Replace ignition coil Spark plug heat value incorrect Replace with correct type of spark plug Wrong type of fuel Replace with correct type of fuel Engine overheats Cooling fins dirty Clean cooling fins Clear intake of dirt and debris Replace air Intake air restricted cleaner elements as necessary Cil level too low or too high Adjust oil to proper level Governor adjusted incorrectly Adjust governor Rotational speed fluctuates Governor spring defective Replace governor spring Fuel flow restricted Check entire fuel system for leaks or clogs Recoil mechanism clogged with dust and Clean recoil assembly with soap and water Recoil starter malfunctions if applicable dirt Spiral spring loose Replace spiral spring Loose damaged win Ensure tight clean connections on battery 9 9 and starter Starter malfunctions ae Battery insufficiently charged Recharge or replace battery
13. full throttle twice and shut off engine Remove key SPARE DRIVE BELT INSTALLATION CV joint Assembly Removal left side 1 If necessary place the trowel on suitable supports jack stands and observe all safety precautions 2 Starting at the left side gearbox use a 1 4 allen wrench and remove the 3 bolts and lock washers that secure the CV joint Figure 21 to the left side gearbox Retain mounting hardware for later use REMOVE 3 PLACES LEFT SIDE GEARBOX CV JOINT COUPLER Figure 21 CV Joint Removal 3 Once the CV joint has been separated from the left side gearbox coupler push the CV joint inward so that a gap Figure 21 exists between the gearbox coupler and CV joint 4 Slide new spare drive belt between gearbox coupler and CV joint SPARE DRIVE BELT HOLDER INSTALL INSTALL 2 PLACES LEFT SIDE GEARBOX ADAPTER PLATE COUPLER lt S NN Figure 22 Spare Drive Belt Routing 5 Mount new spare drive belt and cover Figure 22 onto left side gearbox Reinstall the 2 bolts that secure the spare belt holder to the left side gearbox adapter plate JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 27 MAINTENANCE CV JOINT ASSEMBLY INSTALLATION LEFT SIDE 1 Apply a thin coat of RVT silicone to mating surfaces of the CV joint Figure 23 and left side gearbox coupler INSTALL 3 PLACES LEFT SIDE GEARBOX COUPLER Fi
14. label is an integral part of the emission system and is strictly controlled by regulation s The label must remain with the engine for its entire life If a replacement emission label is needed please contact your authorized Honda Engine Distributor PAGE 12 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 SPECIFICATIONS DIMENSIONS T A IK A ARA C y A Figure 1 Dimensions Table 1 Trowel Specifications B Width in cm Weight Ibs kgs Operating 5 69 2 Mobil SCH 634 Iso VG640 Fuel Tank gallons liters 19 23 5 191 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 13 SPECIFICATIONS DIMENSIONS Table 2 Noise and Vibration Emissions for Model JWN24HTCSL Guaranteed ISO 11201 2010 Based Sound Pressure Level at Operator Station in dB A Guaranteed ISO 3744 2010 Based Sound Power Level in dB A Whole Body Vibration Per ISO 2631 1 1997 A1 2010 in m s 2 8 NOTES 1 Sound Pressure and Power Levels are A weighted Measures ISO 226 2003 ANSI S1 4 1981 They are measured with the operating condition of the machine which generates the most repeatable but highest values of the sound levels Under normal circumstances the sound level will vary depending on the condition of the material being worked upon 2 vibration level indicated is the vector sum of the RMS Root Mean
15. the battery E Drain fuel from fuel tank fuel line and carburetor Remove spark plug and pour a few drops of motor oil into cylinder Crank engine 3 to 4 times so that oil reaches all internal parts B Clean exterior with a cloth soaked in clean Store unit covered with plastic sheet in moisture and dust free location out of direct sunlight NEVER store the ride on trowel with fuel in the tank for any extended period of time Always clean up spilled fuel immediately PAGE 24 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 MAINTENANCE NOTICE This section is intended to aid users in the maintenance of drive assemblies with the new style Multi Clutch CHECKING THE DRIVE BELT The drive belt needs to be replaced as soon as it starts to show signs of wear NEVER use a defective drive belt under any circumstances Indications of excessive belt wear are fraying squealing when in use a belt that emit smoke or a burning rubber smell when in use Under normal operating conditions a drive belt may last approximately 150 hours If your trowel is not reaching this kind of life span for drive belt wear check the drive belt for proper pulley alignment and spacing To gain access to the drive belt remove the drive belt guard cover Figure 16 then visually inspect the drive belt for signs of damage or excessive wear If the drive belt is worn or damaged replace the drive belt DO
16. 20 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 OPERATION IMPORTANT INFORMATION BEFORE YOU START 1 This ride on trowel is equipped with a safety stop switch This switch is located beneath the seat assembly Remember the engine will not start unless an operator is sitting in the operator s seat The weight of an operator depresses an electrical switch which will allow the engine to start NEVER disable or disconnect the safety stop switch It is provided for the operator s safety and injury or death may result if it is disabled disconnected or improperly maintained 2 The safety stop switch should be used to stop the engine after every use Doing this will verify the switch is working properly thus providing safety for the operator Remember to turn the key to the OFF position after stopping the machine Not doing so will drain the battery The right foot pedal Figure 9 controls blade and engine speed The position of the foot pedal determines the blade speed Slow blade speed is obtained by slightly depressing the pedal Maximum blade speed is obtained by fully depressing the pedal Figure 9 Blade Speed Control Foot Pedal STARTING THE ENGINE 1 With one foot on the ground and the other foot placed on the trowel s platform grab the frame near the seat and lift yourself onto the trowel Sit in the operator s seat and ensure the control handles foot pedal and contr
17. CE Figure 26 Worn Arm Bushings Figure 27 illustrates the correct alignment for a spider plate as shipped from the factory GEARBOX CORRECT ALIGNMENT BLADES ARE FLAT ARM MOUNTING BAR BLADE mre A gE SFR pO P S SURFACE Figure 27 Correct Spider Plate Alignment 2 Start engine and bring trowel blades up to full speed and look for the following conditions Does the trowel have a perceived rolling or bouncing motion Does the guard ring rock up and down relative to the ground JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 31 MAINTENANCE 1 Trowel Arm Removal Trowel Blade Removal Each trowel arm is held in place at the spider plate by 1 Remove the trowel blades from the trowel arm by a hex head bolt with zerk grease fitting Remove the removing the three hex head bolts Figure 30 from hex head bolt zerk grease fitting from the spider plate the trowel arm Set blades aside Figure 28 Remove the trowel arm from the spider plate SPIDER FITTING Figure 28 Removing Zerk Grease Fitting Figure 30 Trowel Blades 2 Wire brush any build up of concrete from all six sides Should the trowel arm inserts bronze bushing come of the trowel arm Repeat this for the remaining three out with the trowel arm remove the bushing from the arms trowel arm and set aside in a safe place If the bushing is retained inside the sp
18. IL RIGHT RED BLACK BLACK BLACK YELLOW BLACK GREEN RED GREEN Y BLACK YELLOW BLACK YELLOW OIL LEVEL RED YELLOW SWITCH RED YELLOW RED YELLOW 23540 COMBINATION SWITCH CONTINUITY TE EEEE BLACK ORANGE 235i BLACK ORANGE RED YELLOW BLACL YELLOW RED YELLOW BLACK YELLOW RED GREEN BLACK GREEN 23542 RED YELLOW BLACK YELLOW RED RED YELLOW RED GREEN CHASSIS 1 GND IGNITION W2p COIL LEFT SEAT MAIN PANEL SEAT FRAME SWITCH HARNESS HARNESS P N 23540 P N 23541 REAR LIGHT D MAIN PANEL MAIN FRAME HARNESS HARNESS cae PIN 23540 23542 12 W284 wio RIGHT FRONT LIGHT T20 LIGHT SWITCH 12VDC 0 95 alc T17 PANEL GNS JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 37 WIRING DIAGRAM COMPONENT LOCATOR RETARDANT ONLY Wwe REF CONNECTOR DES FUNCTION ENGINE INTERFACE CTRL BOX SIDE NOTES REFERENCE DESIGNATORS E THRU F NOT SHOWN LOCATION MUST BE TRACED THROUGH HARNESS Figure 38 Wiring Component Locator
19. Linkage on Twin Pitch not working far as possible to ensure that the linkage is engaged Broken part Replace all broken parts immediately Worn belts Replace belt Adjust per instructions in maintenance section of this manual Worn or defective clutch parts Replace parts as necessary Rotate input shaft by hand If shaft rotates with difficulty Power head on Electric Pitch optional not working Wiring Clutch out of adjustment Clutch slipping or sluggish response to engine speed change Worn bearings in gearbox check the input and output shaft bearings Replace as necessary Verify that the gearbox shaft rotates when the input shaft Worn or broken aears in gearbox is rotated Replace both the worm and worm as a PAGE 42 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 NOTES JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 43 OPERATION MANUAL HERE S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON HAND WHEN CALLING UNITED STATES Multiquip Corporate Office 18910 Wilmington Ave Carson CA 90746 Contact mq multiquip com Service Department 800 421 1244 310 537 3700 Technical Assistance 800 478 1244 MEXICO MQ Cipsa Carr Fed Mexico Puebla KM 126 5 Momoxpan Cholula Puebla 72760 Mexico Tel 800 421 1244 Fax 800 537 3927 Fax 310 537 4259 Fax
20. ONTROL JOYSTICK amp DIRECTION RESULT Causes only the Move LEFT Joystick FORWARD left side of the ride on trowel to Move LEFT Joystick move forward Causes only the BACKWARD left side of the ride on trowel to move backward Causes only the right side of the ride on trowel to move forward Move RIGHT Joystick FORWARD Move RIGHT Joystick BACWARD 5 Move BOTH Joysticks Causes only the right side of the ride on trowel to move backward Causes the ride on trowel FORWARD i t A to move forward in A a straight line Causes the ride on trowel tomove backardin a straight line Move BOTH Joysticks BACKWARD Move BOTH Joysticks Causes the ride on trowel to the RIGHT to move to the right nd m Move BOTH Joysticks Causes the ride on trowel to the LEFT to move to the left E Trowel arms be damaged by rough handling or by striking exposed plumbing or forms while in operation ALWAYS look out for objects which might cause damage to the trowel arms PAGE 22 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 MAINTENANCE When performing any maintenance on the trowel or engine follow all safety messages and rules for safe operation stated at the beginning of this manual At the front of this manual there is a Daily Pre Operation Checklist Make copies of this checklist and use it on a daily basis Acciden
21. OPERATION MANUAL MULTIQUIP WHITEMAN SERIES MODELS JWN24HTCSL JWN24HSCSL RIDE ON POWER TROWELS HONDA GX690RTAF GASOLINE ENGINE STARTING S N VB0206952 Revision 1 05 12 12 To find the latest revision of this publication visit our website at www multiquip com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES PROPOSITION 65 WARNING CALIFORNIA Proposition 65 Warning Engine exhaust and some of its constituents and some dust created by power sanding sawing grinding drilling and otherconstruction activities contains chemicals known to the State of California to cause cancer birth defects and other reproductive harm Some examples of these chemicals are e Leadfromlead based paints e Crystalline silicafrom bricks e Cementand other masonry products e Arsenicandchromiumfrom chemically treated lumber Your risk from these exposures varies depending on how often youdothistype of work To reduce your exposure to these chemicals ALWAYS work in a well ventilated area and work with approved safety equipment such as dust masks that are specially designed to filter out microscopic particles PAGE 2 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 SILICOSIS RESPIRATORY WARNINGS SILICOSIS WARNING Grinding cutting drilling of masonry concrete metal and other materials with silica in their composition may give off dust or mists containing cr
22. Operating the engine with a blocked grass screen dirty or plugged cooling fins and or cooling shrouds removed will Cause engine damage due to overheating Changing Engine Oil 100 Hours 1 Change the engine oil after the first 20 hours of use then change every 6 months or 100 hours 2 Remove the oil filler cap Figure 5 Item 1 and fill engine crankcase with recommended type oil as listed in Figure 6 Fill to the upper limit of dipstick 3 Crankcase oil capacity is 1 6 qts 1 50 liters without oil filter replacement with oil filter replacement 1 8 ats 1 7 liters Oil Filter 200 Hours 1 Replace the engine oil filter Figure 14 every 200 hours Figure 14 Oil Filter 2 to coat the seal of the new oil filter with clean engine oil Fuel Filter 200 Hours 1 Replace the engine fuel filter Figure 15 every 200 hours Figure 15 Honda Fuel Filter Oil And Fuel Lines Check the oil and fuel lines and connections regularly for leaks or damage Repair or replace as necessary E Replace the oil and fuel lines every two years to maintain the line s performance and flexibility ENGINE TUNE UP See your engine manual for specific information on tuning up your engine checking and gaping the spark plugs etc NOTICE See the engine manual supplied with your machine for appropriate engine maintenance schedule and troubleshooting guide for problems LONG TERM STORAGE E Remove
23. PARE DRIVE BELT REMOVE LEFT SID GEARBOX ADAPTER PLATE Figure 17 Spare Belt Removal 2 Remove existing drive belt from clutch and lower drive pulley by cutting belt 3 Ensure all remnants of old drive belt have been removed from the sheaves grooves of the clutch and lower pulley 4 Slide spare drive belt over the CV joint Figure 18 an onto the lower drive pulley LOWER DRIVE PULLEY CV JOINT Figure 18 Spare Drive Belt Routing 5 Next squeeze the drive belt Figure 19 and pull upwards and towards the rear of the trowel This will spread open the faces of the lower drive pulley PULL UPWARDS AND TOWARDS REAR OF TROWEL DRIVE BELT LOWER PULLEY Figure 19 Spare Drive Belt Placement Lower Pulley PAGE 26 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 MAINTENANCE 6 Place spare drive belt onto clutch as shown in Figure 20 CLUTCH GROOVES Figure 20 Spare Drive Belt Placement Clutch 7 Reinstall belt guard assembly STARTING THE TROWEL TESTING 1 While sitting in the operator s position start the trowel as referenced in the Operators Manual Be sure to check the engine oil level prior to starting the engine The engine s exhaust contains harmful emissions ALWAYS have adequate ventilation when operating Direct exhaust away from nearby personnel 2 Run machine bringing throttle up so clutch engages Cycle the engine from idle to
24. TY INFORMATION Trailer should be adjusted to a level position at all times when towing Raise and lock trailer wheel stand up position when towing B Place chock blocks underneath wheel to prevent rolling while parked B Place support blocks underneath the 5 bumper to prevent tipping while parked B Use the trailer s swivel jack to adjust the trailer height to a level position while parked ENVIRONMENTAL SAFETY NOTICE B Dispose of hazardous waste properly Examples of potentially hazardous waste T are used motor oil fuel and fuel filters DO NOT use food or plastic containers to dispose of hazardous waste DO NOT pour waste oil or fuel directly onto the ground down a drain or into any water source EMISSIONS INFORMATION NOTICE The gasoline engine used in this equipment has been designed to reduce harmful levels of carbon monoxide CO hydrocarbons HC and nitrogen oxides NOx contained in gasoline exhaust emissions This engine has been certified to meet US EPA Evaporative emissions requirements in the installed configuration Attempting to modify or make adjustments to the engine emmission system by unauthorized personnel without proper training could damage the equipment or create an unsafe condition Additionally modifying the fuel system may adversely affect evaporative emissions resulting in fines or other penalties Emission Control Label The emission control
25. ar by rocking it on the spider If it can tilt more than 1 16 inch 1 6 mm as measured at the thrust collar O D replace the bushing in the thrust collar Thrust bearing worn Check the thrust bearing to see that it is spinning freely 9 Replace if necessary The main output shaft of the gearbox assembly should checked for straightness The main shaft must run Main shaft straight and cannot be more than 0 003 inch 0 08 mm out of round the spider attachment point evenly on the wear cap Replace yoke as necessary Check to ensure that each blade is adjusted to have the Blade Pitch same pitch as all other blades Adjust per maintenance section in manual JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 41 Thrust collar bushing TROUBLESHOOTING Troubleshooting Ride On Mechanical Trowel continued Check all electrical connections in the lighting circuit Wiring Verify wiring is in good condition with no shorts Replace defective wiring or components immediately If 12VDC is present at light fixture connector when light Lights optional not working Lights switch is activated and light does not turn on replace light bulb Check the continuity of light switch Replace light switch 2 if defective Check fuse Replace fuse if defective Check retardant level in tank Fill tank as required Check all electrical connections in the spray pump Wiring ci
26. ced in a radial pattern and attached to a vertical rotating shaft by means of a spider assembly Figure 2 and Figure 3 show the location and functions of the controls indicators and general maintenance parts Each control may perform more than one function GEARBOXES The JWN Series Ride On Power Trowel uses two separate gearbox assemblies that are enclosed in rugged cast aluminum gear cases The gearbox casing has a large oil capacity allowing optimum lubrication to critical points STEERING ASSIST Dual control levers located in front of the operator s seat are provided for steering the trowel The control levers are linked to two spring loaded cylinders Push the left control lever forward and pull the right control lever backward and the trowel will rotate clockwise on approximately a center axis Pull the left control lever backward and push the right control lever forward and the trowel will rotate counterclockwise See Table 4 for a complete description on the control levers directional positioning CONSTANT VELOCITY JOINTS CV JOINTS Constant velocity joints insure the efficient transfer of power to the drive shaft and maintain the timing of the gearboxes without any chance of slippage TRAINING For training please use the Training Checklist located in the front of this manual This checklist is not intended to be a substitute for proper training but will provide an outline for an experienced operator to prov
27. ch Controls may need to have blade pitch between the two sets of blades syncronized If the blades need to be syncronized this Figure 24 Pitch Towers is easily accomplished by performing the following Refer to Figure 24 1 Lift the pitch adjustment handle on either side Once lifted that side is now disconnected from the Twin Pitch system 2 Adjust to match the opposite side 3 When adjusted lower the handle to Twin Pitch operating position JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 29 MAINTENANCE Blade Pitch Adjustment Procedure Maintenance adjustment of blade pitch is made by adjusting a bolt Figure 25 on the arm of the trowel blade finger This bolt is the contact point of the trowel arm to the lower wear plate on the thrust collar The goal of adjustment is to promote consistent blade pitch and finishing quality Look for the following indications if blades are wearing unevenly If so adjustment may be necessary E one blade is completely worn out while the others look new Does the machine have a perceptible rolling or bouncing motion when in use E Look at the machine while it is running does the trowel guard ring rock up and down relative to the ground E Do the pitch control towers rock back and forth Spider Plate Trowel Lever Finger Trowel Arm Blade Pitch Adjustment Bolt Figure 25 Blade Pitch Adjustment Bolt The eas
28. d to the left and right sides of the operator s seat A strap or chain can be attached to these lift loops allowing a forklift or crane to lift the trowel up onto and off of a slab of concrete The strap or chain should have a minimum of 2 000 pounds 1 000 kg lifting capacity and the lifting gear must be capable of lifting at least this amount NEVER transport trowel with float pans attached unless safety catches are used and are specifically cleared for such transport by the manufacturer E NEVER hoist the trowel more than three feet off the ground with float pans attached E Before lifting make sure that the lift loops are not damaged Always make sure crane or lifting device has been properly secured to the lift loops of the equipment ALWAYS shutdown engine before transporting B NEVER lift the equipment while the engine is running B Tighten fuel tank cap securely and close fuel cock to prevent fuel from spilling Use adequate lifting cable wire or rope of sufficient strength DO NOT lift machine to unnecessary heights B ALWAYS tie down equipment during transport by securing the equipment with rope TOWING SAFETY I Check with your local county or state safety e towing regulations in addition to meeting O Department of Transportation DOT Safety Towing Regulations before towing your trowel B In order to reduce the possibility of an accident while transporting the trowel on public roads
29. e well insulated gloves when picking up the battery ALWAYS keep the battery charged If the battery is not charged combustible gas will build up DO NOT charge battery if frozen Battery can explode When frozen warm the battery to at least 61 F 16 C ALWAYS recharge the battery a well ventilated environment to avoid the risk of a dangerous concentration of combustible gases B f the battery liquid dilute sulfuric acid gt comes into contact with clothing or skin rinse skin or clothing immediately with plenty of water W f the battery liquid dilute sulfuric acid comes into contact with eyes rinse eyes immediately with plenty of water and contact the nearest doctor or hospital to seek medical attention i ALWAYS disconnect the NEGATIVE battery terminal before performing service on the equipment ALWAYS keep battery cables in good working condition Repair or replace all worn cables TRANSPORTING SAFETY NEVER allow any person or animal to stand underneath the equipment while lifting E Ride on trowels are very heavy and awkward to move around Use proper heavy lifting procedures and DO NOT attempt to lift the trowel by the guard rings PAGE 10 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 SAFETY INFORMATION NOTICE The easiest way to lift the trowel is to utilize the lift loops that are welded to the frame These lift loops are locate
30. emainder can be brought to a salvage yard or metal reclamation facility for further dismantling JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 35 WIRING DIAGRAM HONDA HARNESS WHITEMAN HARNESS P2 B 1 1 1 1 1 1 1 1 FEMALE MALE FEMALE MALE 1 1 4 IGNITION a SWITCH 1 eu FUEL CUT OFF gt SOLENOID 2 CONTROL 1 PANEL W24 1 1 w7 W17 12VDC A A cp r3 1 i 1 1 1 1 1 1 T1 1 12VDC ee Q N N LE E amp E 4 STARTER MOTOR 21200 78 POSITIVE _ GR GRAY i VOLTAGE GR BATTERY REGULATOR WL RECTIFER W B BLK E2 Tm 20 AMP GND CHARGE COIL CHASSIS CHASSIS GND ND TE oR GR ap cr chassis 30 BLK YEL COMMON P3 W164 Wea 2 4 W124 W254 MAIN RELAY 85 W224 MAIN RELAY gt lt COIL 5 Figure 37 Wiring Diagram conmo PAGE 36 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 WIRING DIAGRAM HARNESS COLOR DWG BODY STRIPE WHITE BLACK WHITE BLUE YELLOW BLACK YELLOW BLACK ORANGE RED BLACK RED RED RED RED RED BLACK YELLOW BLACK YELLOW IGNITION BLACK ORANGE CO
31. er Operator foot rest pedal Spray Nozzle Spray nozzle for retardant Right Foot Pedal Controls blade speed Slow blade speed is accomplished by slightly depressing the foot pedal Maximum blade speed is accomplished by fully depressing the foot pedal EZ Mover Boss Front attachment point for EZ Mover Used to move the trowel Right Front Light 12 volt halogen lights used for night operations Left Front Light 12 volt halogen lights used for night operations AO Figure 2 Components Front PAGE 16 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 COMPONENTS 17 18 19 20 21 22 Rear Light The JWN Series Ride On Power Trowel has three 12 volt halogen lights Lift Loops Located on both sides of the main frame Used to lift the trowel Retardant Spray Tank Holds 5 gallons of retardant Retardant Spray Pump Delivers retardant to the spray nozzle EZ Mover Boss Rear attachment point for EZ Mover Used to transport the trowel Right Side Spider Consists of trowel arms blades wear plate and thrust collar We MULTIQUIR 23 24 25 28 RETARDANT ONLY Left Side Spider Consists of trowel arms blades wear plate and thrust collar Document Box Contains all product documentation Battery Provides 12V DC power to the electrical system Belt Guard
32. ghten all fasteners as necessary 1 Release the four latch tabs Figure 13 from the air cleaner cover and remove the cover AIR CLEANER COVER PAPER FILTER ELEMENT DN AIR CLEANER Figure 13 Air Cleaner Components Remove the foam filter from the cover Remove the paper filter from the air cleaner case Inspect both air filter elements replace them if necessary To clean the paper air filter tap the filter element several times on a hard surface to remove dirt or blow compressed air not to exceed 30 psi 207 kPa 2 1 kgf cm2 through the filter element from the air cleaner case side 6 NEVER try to brush off dirt brushing will force dirt into the fibers If the paper element is excessively dirt replace element 7 Clean the foam air filter element in warm soapy water rinse and allow to dry thoroughly Or clean with a nonflammable solvent and allow to dry DO NOT pour any type of oil into the foam element 8 Wipe dirtfrom the inside of the air cleaner body and cover using a moist cloth Be careful not to let any dirt or debris enter the air chamber that leads to the carburetor ar JWN SERIES RIDE ON TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 23 MAINTENANCE 9 Reinstall the foam air filter element in the air cleaner cover then reinstall the paper air filter element and cover to the air cleaner case Securely latch the four hook tabs on the air cleaner cover
33. gure 23 CV Joint Installation 2 Using a 1 4 allen wrench install the 3 bolts and lock washers that secure the CV joint Figure 23 to the left side gearbox HOW IT WORKS The Multi Clutch functions much like a standard CVT system As the engine RPM5 increase the drive or primary clutch closes forcing the belt to ride outwards on the drive sheaves The closing of the drive clutch also forces the belt to open the driven or secondary sheaves The opening and closing of these sheaves creates a ratio variation hence CVT or Continuously Variable Transmission Belt protection is achieved within the Multi Clutch through the use of a series of centrifugal clutches While most CVT systems have a loose or slack belt while the engine idles the sheaves of those systems are constantly rotating and wearing on the belt Those systems also require the stationary belt to be pinched by the constantly rotating sheaves during startup The relative rotation of the sheaves to the belt causes unnecessary wear on the belt With traditional CVT systems wear on the belt happens any time the engine is idling and at every start up of the driven equipment This is where the Multi Clutch differs from the other CVT s The Multi Clutch utilizes two centrifugal clutches the starter clutch system to drive the sheaves of the drive primary clutch What that means is that the belt can remain tight in the sheaves and that both the sheaves and the belt are stati
34. hen under medication NEVER operate this equipment under the influence of drugs or alcohol i ALWAYS clear the work area of any debris tools etc that would constitute a hazard while the equipment is in operation No one other than the operator is to be in the working area when the equipment is in operation DO NOT use the equipment for any purpose other than its intended purposes or applications NOTICE i This equipment should only be operated by trained qualified personnel 18 years of age and older Whenever necessary replace nameplate operation and safety decals when they become difficult read I Manufacturer does not assume responsibility for any accident due to equipment modifications Unauthorized equipment modification will void all warranties NEVER use accessories or attachments that are not recommended by Multiquip for this equipment Damage to the equipment and or injury to user may result ALWAYS know the location of the nearest re fire extinguisher i ALWAYS know the location of the nearest first aid kit ALWAYS know the location of the nearest phone or keep aphone on the job site Also know the phone numbers of the nearest ambulance doctor and fire department This information will be invaluable in the case of an emergency E amm I jo DEPARTMENT PAGE 8 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05
35. ide training to a new operator JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 15 Seat Engine will not start unless operator is seated Steering Control Levers Directs the unit forward reverse left or right Retardant Spray Control Button Sprays retardant through the nozzle at the front of the machine Twin Pitch Control Both pitch towers are linked together One crank may be turned to adjust the blade pitch simultaneously or individually controlled for each set of blades Turn the crank as marked on its top surface to increase or decrease blade pitch Light Switch Turns on three halogen lights Two in front one in rear Ignition Switch With key inserted turn clockwise to start engine Hour Meter Indicates number of hours the engine has run Choke Control Lever In cold weather pull this lever to start engine After engine warms push knob all the way in Fuel Gauge Filler Cap Indicates the amount of fuel in the fuel tank Remove this cap to add fuel Oo COMPONENTS DANGER Add fuel to the tank only when the engine is stopped and has had an opportunity to cool down In the event of a fuel spill DO NOT attempt to start the engine until the fuel residue has been completely wiped up and the area surrounding the engine is dry Fuel Tank Holds 5 gallons of unleaded gasoline Left Foot Ris
36. ider plate carefully remove the bushing Examine the bronze trowel arm bushing insert Figure 29 clean if necessary Replace bushing if out of round or worn SPIDER PLATE BRONZE BUSHING Figure 29 Bronze Bushings PAGE 32 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 MAINTENANCE Checking Trowel Arm Straightness Trowel arms can be damaged by rough handling such as dropping the trowel on the pad or by striking exposed plumbing forms or rebar while in operation A bent trowel arm will not allow the trowel to operate in a smooth fluid rotation If bent trowel arms are suspect check for flatness as follows refer to Figure 31 and Figure 32 Blade Attachment Bolt Hole Lever Mounting Slot One of Three LeftArm Shown Pell Pin Flat of Hole Hexagonal Shaft Top of Arm Trowel Arm Round Shaft Section Trowel Arm Hexagonal Hex Shaft Section Figure 31 Trowel Arm 1 Use a thick steel plate granite slab or any surface which is true and flat to check all six sides of each trowel arm for flatness 2 Check each of the six sides of the trowel arm hex section A feeler gauge of 004 0 10 mm should not pass between the flat of the trowel arm and the test surface along its length on the test surface Figure 32 Trowel Arm Flat Test Surface Feeler Gauge IL 005 in 0 127 mm Feeler Gauge 004 in 0 10 mm Figure 32 Checking
37. iest and most consistent way to make adjustments on the trowel arm fingers is to use the Trowel Arm Adjustment Fixture P N 9177 It comes with all the hardware necessary to properly accomplish this maintenance and instructions on how to utilize this tool If a trowel arm adjustment fixture is not available and immediate adjustment is necessary temporary field adjustment can be made if you can see or feel which blade is pulling harder by adjusting the bolt that corresponds to that blade A better way to determine which blades need adjustment is to place the machine on a known FLAT surface steel metal plate and pitch the blades as flat as possible Look atthe adjustment bolts They should all barely make contact with the lower wear plate on the spider If you can see that one of them is not making contact some adjustment will be necessary Adjust the high bolts down to the level of the one that is not touching or adjust the low bolt up to the level of the higher ones If possible adjust the low bolt up to the level of the rest of the bolts This is the fastest way but may not always work Verify after adjustment the blades pitch correctly Blades that are incorrectly adjusted often will not be able to pitch flat This can occur if the adjusting bolts are raised too high Conversely adjusting bolts that are too low will not allow the blades to be pitched high enough for finishing operations If after making Blade Pitch adju
38. in speed ranges above the maximum allowable JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 9 SAFETY INFORMATION FUEL SAFETY DO NOT start the engine near spilled fuel or combustible fluids Fuel is extremely flammable and its vapors can cause an explosion if ignited ALWAYS refuel in a well ventilated area away from sparks and open flames ALWAYS use extreme caution when working with flammable liquids I DO NOT fill the fuel tank while the engine is running or hot DO NOT overfill tank since spilled fuel could ignite if it comes into contact with hot engine parts or sparks from the ignition system Store fuel in appropriate containers in well ventilated areas and away from sparks and flames NEVER use fuel as a cleaning agent B DO NOT smoke around or near the equipment Fire or explosion could result from fuel vapors or if fuel is spilled on a hot engine BATTERY SAFETY DANGER DO NOT drop the battery There is a possibility that the battery will explode DO NOT expose the battery to open flames sparks cigarettes etc The battery contains combustible gases and liquids If these gases and liquids come into contact with a flame or spark an explosion could occur ALWAYS wear safety glasses when handling the battery to avoid eye irritation The battery contains acids that can cause L injury to the eyes and skin E Us
39. ist Read operation manual completely Machine layout location of components checking of engine Fuel system refueling procedure Operation of spray and lights 2 Operation of controls machine not running meum operation Emergency stop procedures engine choke Maintainingahover Matching bade itch n o 2 21 Se Concrete finishing techniques Shutdown of machine Lifting of machine lift loops Machine transport and storage JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 5 DAILY PRE OPERATION CHECKLIST Daily Pre Operation Checklist 2 Condtionofblades TT 3 Baderitchoperaton f T 4 Satety stop switch operation f 5 Steeringcontoloperation PAGE 6 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 SAFETY INFORMATION Do not operate or service the equipment before reading the entire manual Safety precautions should be followed at all times when operating this equipment Failure to read and understand the safety O messages and operating instructions could 44 result in injury to yourself and others SAFETY MESSAGES The four safety messages shown below will inform you about potential hazards that could injure you or others The safety messages specifically add
40. ks and their effect on the ride on trowel 1 Push both the left and right control levers forward See Figure 12 LEFT CONTROL LEVER FORWARD DIRECTION gt RIGHT CONTROL LEVER Figure 12 Left and Right Control Levers 2 With your right foot quickly depress the right foot pedal halfway Notice that the ride on power trowel begins to move in a forward direction Return both joystick controls to their neutral position to stop forward movement then remove your right foot from the right foot pedal 3 Practice holding the machine in one place as you increase blade speed When about 75 of maximum blade speed has been reached the blades will be moving at proper finishing speed The machine may be difficult to keep in one place Trying to keep the ride on trowel stationary is a good practice for operation 4 Practice maneuvering the ride on trowel using the information listed in Table 4 Try to practice controlled motions as if you were finishing a slab of concrete Practice edging and covering a large area 5 Try adjusting the pitch of the blades This can be done with the ride on trowel stopped or while the trowel is moving whatever feels comfortable Test the operation of optional equipment like retardant spray and lights if equipped 6 Pull both the left and right joysticks backward and repeat steps 3 through 5 while substituting the word reverse for forward Table 4 Control Lever Directional Positioning C
41. ly pitched as possible Unscrew the locking bolts on the adjustment tool and place the trowel arm into the fixture channel as shown in Figure 35 A thin shim may be required to cover the blade holes on the trowel arm Make sure to align the trowel adjustment bolt with the fixture adjustment bolt Trowel Arm Arm Lever Fixture Locking Bolts Adjustment Bolt Trowel Arm Adjustment Fixture Figure 35 Trowel Arm Adjustment Fixture Components Use an allen wrench to tighten the locking bolts securing the trowel arm in place Adjust the bolt distance shown in Figure 35 to match one of the arms The other arms will be adjusted to match this distance Loosen the locking nut on the trowel arm lever then turn the trowel arm adjusting bolt until it barely touches 010 the fixture adjusting bolt Once the correct adjustment is made tighten the lock nut on the trowel arm to lock in place Loosen locking nuts on the adjustment fixture and remove trowel arm 10 Repeat steps for the remaining trowel arms MAINTENANCE Reassembly 1 10 Clean and examine the upper lower wear plates and thrust collar Examine the entire spider assembly Wire brush any concrete or rust build up If any of the spider components are found to be damaged or out of round replace them Make sure that the bronze trowel arm bushing is not damage or out of round Clean the bushing if necessary If the bronze bushing is damaged or wor
42. n replace it Reinstall bronze bushing onto trowel arm Repeat steps 2 3 for each trowel arm Make sure that the spring tensioner is in the correct position to exert tension on the trowel arm Insert all trowel arms with levers into spider plate with bronze bushing already installed using care to align grease hole on bronze bushing with grease hole fitting on spider plate Lock trowel arms in place by tightening the hex head bolt with zerk grease fitting and jam nut Re install the blades onto the trowel arms Install stabilizer ring onto spider assembly Lubricate all grease points zerk fittings with premium Lithium 12 based grease conforming to NLG1 Grade 2 consistency PAGE 34 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 MAINTENANCE INSTALLING PANS ONTO FINISHER BLADES These round discs sometimes referred to as pans attach to the spiders arms and allow early floating on wet concrete and easy movement from wet to dry areas They are also very effective in embedding large aggregates and surface hardeners Lifting Crush Hazard DO NOT lift trowel with pans attached ALWAYS install pans either on the work area or on an area that is next to and level with the work area DO NOT lift the trowel when the pans are attached Refer to Figure 36 when installing pans onto finisher blades Knob Tie Down Z Clip Pans Blade Assembly Figure 36 Z Clip Finisher Pan In
43. nsive engine wear or damage always maintain the proper oil level in the crankcase Never operate the engine with the oil level outside of marks on dipstick Items 3 and 4 in Figure 5 If engine oil is low remove filler cap Item 1 Figure 5 and add correct amount of engine oil to bring oil level to anormal safe level Use oil as recommended in Figure 6 1 20 n 20 40 an 50 10 F IU A u zu 30 40 AMBIENT TEMPERATURE Figure 6 Recommended Viscosity Grades GEARBOX OIL LEVEL 1 Check the gearbox oil level in both gearboxes by removing the level plug and ensuring that the oil is at the correct level See Figure 6 2 Fill the gear box just to the level of the fill plug Figure 6 with Mobil ISO VG 640 SCH 634 oil if necessary NOTICE Gearbox oil capacity is approximately 69 oz when empty DRAIN GEARBOX PLUG VENT FILL LEVEL CHECK PLUG Figure 7 Gearbox Oil Plugs Sight Glass FUEL Determine if the engine fuel is low Figure 8 If fuel level is low remove the fuel filler cap and fill with unleaded gasoline DANGER refueling DO NOT attempt to refuel the ride on trowel if the engine is hot or running DO NOT attempt to start the engine until the fuel residue has been completely wiped up and the Handle fuel safely Motor fuels are highly flammable and can be dangerous if mishandled DO NOT smoke while area surrounding the engine is dry Figure 8 Fuel Gauge PAGE
44. ol panel items can be comfortably accessed When starting a cold engine pull the choke knob Figure 10 out to the closed position In warm weather or when the engine is warm the unit can be started with choke halfway or completely open OFF Figure 10 Choke Knob Keep your foot OFF the blade speed control pedal and in all circumstances start the engine at idle without touching the pedal Insert the ignition key into the ignition switch Turn the ignition key Figure 11 clockwise and listen for the engine to start Once the engine starts release ignition key If the engine fails to start in this manner consult the engine owner s manual supplied with the trowel Test the safety stop switch by standing up briefly The switch under the seat should cause the engine to stop If the switch fails to shut down the engine turn off the engine with the key switch and repair the safety stop switch See the Troubleshooting section for possible causes Figure 11 Ignition Key 8 Let the engine idle for 3 5 minutes If choke is applied push the choke to the open position as soon as the engine will run smoothly JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 21 OPERATION Steering Two control levers located in front of the operator s seat provide directional control for the JWN SERIES Ride On Power Trowel Table 4 illustrates the various directional positions of the joystic
45. onary while the vehicle is idling This eliminates the belt wear at an idle and during start up while also providing one additional form of belt protection The centrifugal clutches starter clutch can act as overload protection as well In cases where too much torque is trying to be transmitted to the belt the centrifugals can slip before the maximum load on the belt is achieved What this means is that instead of the belt slipping on the sheaves during an overload the centrifugals will first slip further protecting the belt from damage PAGE 28 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 MAINTENANCE Blade Pitch DISENGAGED OPERATING POSITION ONE SIDE Matching Blade Pitch for Both Sets of Blades Q 5 d 2 Sometimes it may be necessary to match blade pitch between the two sets of blades There are some signs that this may be necessary For example the differences in pitch could cause a noticeable difference in finish quality between the two sets of blades or the difference in blade pitch could make the machine difficult to control This is due to the surface area in contact with the concrete the blade set with the greater contact area tends to stick to the 5 concrete more Single Pitch On a Single Pitch trowel each spider assembly can be pitched individually forcing the operator to constantly make adjustments on each pitch tower Twin Pitch Trowels equipped with Twin Pit
46. operating this equipment NOTICE ALWAYS keep the machine in proper running condition E Fix damage to machine and replace any broken parts immediately I ALWAYS store equipment properly when it is not being used Equipment should be stored in a clean dry location out of the reach of children and unauthorized personnel safety manual for operating and maintenance personnel of concrete power trowels produced by the Association of Equipment Manufacturers AEM can be obtained for a fee by ordering through their website at www aem org Order FORM PT 160 ENGINE SAFETY M DO NOT place hands or fingers inside engine compartment when engine is running B NEVER operate the engine with heat shields or guards removed i E Keep fingers hands hair and clothing away from all moving parts to prevent injury 9 DO NOT remove the engine oil drain plug while the engine is hot Hot oil will gush out of the oil tank and severely scald any persons in the general area of the trowel NEVER touch the hot exhaust manifold 2 muffler or cylinder Allow these parts to cool before servicing equipment NEVER run engine without an air filter or with a dirty air filter Severe engine damage may occur Service air filter frequently to prevent engine malfunction i NEVER tamper with the factory settings gt of the engine or engine governor Damage to the engine or equipment can result if operating
47. ping this JWN SERIES Ride On Power Trowel was run and tested at the factory If there are problems please let us know CONTROL HANDLE ASSEMBLY The steering control handles are not attached to the trowel s two lower handles at the time of shipment To attach the steering control handles to the two lower handle assemblies perform the following 1 Remove the bolts from the plastic bag tied to the control towers 2 Remove all protective wrapping and straps from the control handles 3 Slip the top loose piece into the base of the corresponding handle making sure to line up the holes 4 Install the bolt through the lined up holes and tighten the acorn nut onto the threaded end NOTICE Some models are equipped with adjustable height handles Adjust the height by placing the bolt through the set of holes that corresponds to the most comfortable height 5 Pay close attention to any wires that may be inside the control handles DO NOT pinch or cut any wires during installation 6 Inside the plastic bag of parts are two knobs for the pitch control tower cranks Install these two knobs onto the tower crank levers SEAT ASSEMBLY The seat is not installed on the trowel for shipping purposes To attach the seat perform the following 1 Remove the seat from the protective wrapping 2 Insert studs on bottom of seat through holes in the mounting plate Install and tighten the provided nuts BATTERY SETUP
48. rcuit Verify wiring is in good condition with no shorts Replace defective wiring or components immediately Check the continuity of both left and right spray switches 2 palm handles Replace spray switch if defective If 12VDC is present at pump connector when spray Bad spray pump switch is activated and pump does not operate replace spray pump Check fuse Replace fuse if defective Blade speed out of adjustment See section on blade speed adjustment Adjust the connecting linkage found at the base of the Steering linkage out of adjustment handle Contact your MQ field service manager for instructions Check for wear of steering bearings and linkage Worn components components Replace if necessary Operating position is uncomfortable Seat adjusted for operator Adjust seat with lever located on the front of the seat If the motor runs and the pitch is not affected parts Broken or loose parts inside the power head may be loose or broken Return power head to dealer for service Steering is unresponsive Check all electrical connections and wiring Check the continuity at the power head unit Verify that there is voltage present at the power head switch with the key switch in the position Check the continuity of the switch If switch is Switch malfunctioning replace immediately Make sure that both crank handles are pushed down as m Crank handles f
49. ress the level of exposure to the operator and are preceded by one of four words DANGER WARNING CAUTION or NOTICE SAFETY SYMBOLS DANGER Indicates a hazardous situation which if not avoided WILL result in DEATH or SERIOUS INJURY Indicates a hazardous situation which if not avoided COULD result in DEATH or SERIOUS INJURY Indicates a hazardous situation which if not avoided COULD result in MINOR or MODERATE INJURY NOTICE Addresses practices not related to personal injury Potential hazards associated with the operation of this equipment will be referenced with hazard symbols which may appear throughout this manual in conjunction with safety messages Safety Hazard Lethal exhaust gas hazards Explosive fuel hazards Rotating parts hazards 2y aiti Pressurized fluid hazards Hydraulic fluid hazards JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 7 SAFETY INFORMATION GENERAL SAFETY NEVER operate this equipment without proper protective clothing shatterproof glasses respiratory protection hearing protection steel toed boots and other protective devices required by the job or city and state regulations O90000 Avoid wearing jewelry or loose fitting clothes that may snag on the controls or moving parts as this can cause serious injury NEVER operate this equipment when not feeling well due to fatigue illness or w
50. s manual and on the machine Keep all safety information in good readable condition Operators should be well trained on the operation and maintenance of the trowel Look at the operator control levers Grab the control levers and move them around a bit Notice how moving the control levers causes the gearboxes and frame to move Notice the foot pedal which controls the engine speed Also take a look at the main drive line of the trowel Take note and reference how the belts look this is the way the belts should look when adjusted properly Before using your trowel test it on a flat watered down section of finished concrete This trial test run will increase your confidence in using the trowel and at the same time it will familiarize you with the trowel s controls and indicators In addition you will understand how the trowel will handle under actual conditions ENGINE This trowel is equipped with an air cooled 24 HP Honda gasoline engine Refer to the engine owner s manual for specific instructions regarding engine operation This manual is included with the trowel at the time of shipping Please contact your nearest Multiquip Dealer for a replacement should the original manual disappear BLADES The blades of the trowel finish the concrete as they are swirled around the surface Blades are classified as combination 10 or 8 inches wide and finish 6 inches wide This trowel is equipped with four blades per rotor equally spa
51. ssociations Water should be used for dust suppression when wet cutting is feasible When the hazards from inhalation of dust mists and fumes cannot be eliminated the operator and any bystanders should always wear a respirator approved by NIOSH MSHA for the materials being used JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 PAGE 3 JWN24 Series Ride On Power Trowel Proposition 65 Warning 2 Silicosis Respiratory Warnings 3 Table Of Conterile acti ere ntt m ERE 4 Training Checklist irent 5 Daily Pre Operation Checklist 6 Safety Information rentre 7 12 Specifications Dimensions Trowel 18 Specifications Dimensions Engine 14 General 1 15 Components 16 17 Basic 18 D 19 PIS Te 20 ODBIESUDET iine 21 22 Maintenance 23 35 Wiring 36 37 Wiring Diagram Component Locator 38 Troubleshooting DE 39 42 NOTICE Specifications are subject to change without notice TABLE OF CONTENTS PAGE 4 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 TRAINING CHECKLIST Training Checkl
52. stments the machine is still finishing poorly blades trowel arms and trowel arm bushings may be suspect and should be looked at for adjustment wear or damage See the following sections Changing Blades It is recommended that ALL the blades on the entire machine are changed at the same time If only one or some of the blades are changed the machine will not finish concrete consistently and the machine may wobble or bounce 1 Place the machine on a flat level surface Adjust the blade pitch control to make the blades as flat as possible Note the blade orientation on the trowel arm This is important for ride on trowels as the two sets of blades counter rotate Lift the machine up placing blocks under the main guard ring to support it 2 Removethe bolts and lock washers on the trowel arm and then remove the blade 3 Scrape all concrete and debris from the trowel arm This is important to properly seat the new blade 4 Install the new blade maintaining the proper orientation for direction of rotation 5 Reinstall the bolts and lock washers 6 Repeat steps 2 5 for all remaining blades PAGE 30 JWN SERIES RIDE ON POWER TROWEL OPERATION MANUAL REV 1 05 12 12 MAINTENANCE Clean Up Never allow concrete to harden on the power trowel Immediately after use wash any concrete off the trowel with water be careful not to spray a hot engine or muffler An old paint brush or broom may help loosen any concre
53. structions 1 trowel just enough to slide pan under blades Lower finisher onto pan with blades adjacent to Z Clips 2 Rotate blades into position under Z Clips Ensure that the blades are rotated in the direction of travel when the machine is in operation or use the engine to rotate the blades into position Attach the blade tie downs to the far side of the Z Clip brackets with tie down knobs as shown in Figure 36 4 Check to make certain that the blade edges are secured under the Z Clips and the tie downs are secured completely over the edges of the blade bar before the machine is put back into operation DECOMMISSIONING TROWEL COMPONENTS Decommissioning is a controlled process used to safely retire a piece of equipment that is no longer serviceable If the equipment poses an unacceptable and unrepairable safety risk due to wear or damage or is no longer cost effective to maintain beyond life cycle reliability and is to be decommissioned demolition and dismantlement the following procedure must take place 1 Drain all fluids completely These may include oil gasoline hydraulic oil and antifreeze Dispose of properly in accordance with local and governmental regulations Never pour on ground or dump down drains or sewers 2 Remove battery and bring to appropriate facility for lead reclamation Use safety precautions when handling batteries that contain sulfuric acid Reference Setup Section The r
54. t the fuel filter is not clogged lanition Check to ensure that the ignition switch has power and 9 is functioning correctly Bad contacts Replace switch Safety stop switch not functioning Check wiring Replace as necessary Other problems Consult engine manufacturer s manual Make sure blades are in good condition not excessively worn Finish blades should measure no less than 2 Blades inches 50mm from the blade bar to the trailing edge combo blades should measure no less that 3 5 inches 89mm Trailing edge of blade should be straight and parallel to the blade bar Check that all blades are set at the same pitch angle as measured at the spider A field adjustment tool is available for height adjustment of the trowel arms contact Parts Department Pitch Adjustment Check the spider assembly for bent trowel arms If one of the arms is even slightly bent replace it immediately Trowel bounces rolls concrete or makes uneven Check the trowel arm bushings for tightness This can swirls in concrete be done by moving the trowel arms up and down If Trowel arm bushings there is more than 1 8 inch 3 2 mm of travel at the tip of the arm the bushings should be replaced All bushings should be replaced at the same time Check the flatness of the thrust collar by rotating it on Thrust collar the spider If it varies by more than 0 02 inch 0 5 mm replace the thrust collar Check the thrust coll
55. tal starts can cause severe injury or death ALWAYS place the ON OFF switch in the OFF position e 7 Disconnect and ground spark plug leads and disconnect negative battery cable from battery before servicing MAINTENANCE SCHEDULE 1 Check and retighten all fasteners as necessary Daily 8 10 Hours 1 Checkthe fluid levels in the engine and gearboxes fill as necessary Check air cleaner See section on Air Cleaner servicing Weekly 30 40 Hours 1 Relube arms thrust collar and steering links 2 Replace blades if necessary 3 Check and clean or replace the engine air filter as necessary See following section on Air Filter Maintenance 4 Replace engine oil and filter as necessary See following section on Oil and Filter Monthly 100 125 Hours 1 Remove clean reinstall and relube the arms and thrust collar Adjust the blade arms 2 Replace gearbox lubricant after the first 100 hours of operation Replace every 500 600 hours thereafter Check drive belt for excessive wear Refer to following section on Drive Belt maintenance Yearly 500 600 Hours 1 Check and replace if necessary the arm bushings and thrust collar bushings shaft seals and belts 2 Check pitch control cables for wear 3 Replace gearbox lubricant Air Cleaner Daily Thoroughly remove dirt and oil from the engine and control area Clean or replace the air cleaner elements as necessary Check and reti
56. te that has started to harden Trowel Arm Adjustment Procedure NOTICE The following procedure should be followed to adjust trowel arms when it becomes apparent that the trowel is finishing poorly or in need of routine maintenance A level clean area to test the trowel prior to and after adjustment is essential Any unlevel spots in the floor or debris under the trowel blades will give an incorrect perception of adjustment Ideally a 5 x 5 three quarter inch thick flat steel plate should be used for testing 1 Todetermine which blades need adjustment place the trowel in the test area three quarter inch thick plate and look for the following conditions Pitch the blades as flat as possible and look at the adjustment bolts They should all barely make contact with the lower wear plate on the spider If you can see that one of them is not making contact some adjustment will be necessary 15 the machine wearing out blades unevenly i e one blade is completely worn out while the others look new Figure 26 illustrates worn spider bushings or bent trowel arms Checkto see that adjustment bolt is barely touching 0 10 max clearance lower wear plate All alignment bolts should be spaced the same distance from the lower wear plate ADJUSTMENT INCORRECT BOLT ALIGNMENT LOWER DISHED EFFECT ON WEAR I FINISHED CONCRETE PLATE n b vv v Pp Sp 4 2 SURFA
57. ublication at any time without notice and without incurring any obligations Your Local Dealer is 2 MULTIQUIP
58. upon starting Check automatic shutdown circuit if applicable sensor if applicable No spark present at tip of spark plug ON OFF switch is shorted Check switch wiring replace switch Ignition coil defective Replace ignition coil Dieu ta Sart Melle available ang Shark Improper spark gap points dirty Set correct spark gap and clean points present at the spark plug proper spart gap p Y park gap pomis Condenser insulation worn or short circuiting Replace condenser Spark plug wire broken or short circuiting Replace defective spark plug wiring Wrong fuel type Flush fuel system and replace with correct 9 type of fuel Difficult to start fuel is available spark is Water or dust in fuel system Flush fuel system present and compression is normal Air cleaner dirty Clean or replace air cleaner Choke open Close choke Suction exhaust valve stuck or protruded UM Piston ring and or cylinder worn Replace piston rings and or piston Difficult to start fuel is available spark is present and compression is low Cylinder head and or spark plug not tightened properly Head gasket and or spark plug gasket damaged Replace head and spark plug gaskets No fuel in fuel tank Fill with correct type of fuel Eid codo doas me aper reu Apply lubricant to loosen fuel cock lever PEN replace if necessary Noel Fuel filter lines clogged Replace fuel filter Fuel tank
59. ystalline silica Silica is a basic component of sand quartz brick clay granite and numerous other minerals and rocks Repeated and or substantial inhalation of airborne crystalline silica can cause serious or fatal respiratory diseases including silicosis In addition California and some other authorities have listed respirable crystalline silica as a substance known to cause cancer When cutting such materials always follow the respiratory precautions mentioned above RESPIRATORY HAZARDS Grinding cutting drilling of masonry concrete metal and other materials can generate dust mists and fumes containing chemicals known to cause serious or fatal injury or illness such as respiratory disease cancer birth defects or other reproductive harm If you are unfamiliar with the risks associated with the particular process and or material being cut or the composition of the tool being used review the material safety data sheet and or consult your employer the material manufacturer supplier governmental agencies such as OSHA and NIOSH and other sources on hazardous materials California and some other authorities for instance have published lists of substances known to cause cancer reproductive toxicity or other harmful effects Control dust mist and fumes at the source where possible In this regard use good work practices and follow the recommendations of the manufacturers or suppliers OSHA NIOSH and occupational and trade a

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