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Curtis PMC Troubleshooting

Page 19

SYMPTOMS

GO TO

Ø

Runs slow in both directions plus high armature and field current in both

directions. NOTE: Armature and field current should be equal.

MOTOR

Ø

Runs slow in both directions plus high armature current in both directions.
NOTE: Field current will be very low.

SOLENOIDS

Ø

Ø

Runs normal in one direction only plus runs slow or lacks power in the opposite

direction with high armature current in the opposite direction or;

Accelerates slowly and exceeds normal speed in the opposite direction with high

armature current only. NOTE: Field current will be very low in the opposite
direction.

SOLENOIDS

Ø

Accelerates slowly and exceeds normal speed in both directions plus high

armature current. NOTE: Field current will be very low.

SOLENOIDS

Ø

Full speed only.

PMC CONTROL

Ø

Does not run in either direction plus there is noise from motor (hum or whine)
with high field current and low armature current.

PLUGGING DIODE

Ø

Excessive spark when connecting battery

ISO

Ø

Does not run or runs very slow with low motor current and high battery current.

FREEWHEEL DIODE

Ø

Jumps into high speed when direction is selected after depressing the accelerator
pedal.

HPD

SYMPTOM TROUBLESHOOTING GUIDE

This section is specific to the symptoms listed below. Each troubleshooting sequence assumes
that all listed symptoms are present. Do not use this section unless the truck has all listed
symptoms.

Special Troubleshooting

Table of Contents

PMC CONTROL .................................................................... 22
PLUGGING DIODE .............................................................. 25
FREEWHEEL DIODE ........................................................... 26
ISO ........................................................................................... 27
SOLENOIDS .......................................................................... 29
MOTOR .................................................................................. 32

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Содержание B 50

Страница 1: ...To Go About Your B u s i n e s s Serial number Starting 157300 MANUAL MB 050 00 Operation Troubleshooting and Replacement Parts Manual Models Included B0 050 00 B 50 Shuttle Master Published 12 16 200...

Страница 2: ......

Страница 3: ...parts or service should be obtained through your local dealer A dealer locator can be found on the Taylor Dunn website at www taylor dunn com If you do not have access to the internet you can call th...

Страница 4: ...B2 48 With Stake Side Dump Bed Option SC1 59 Stock Chaser E4 55 Sit Down Tow Tractor C4 25 Sit Down Tow Tractor...

Страница 5: ...ubleshooting 11 Chargers 12 Wire diagram 13 Illustrated Parts 14 Appendix A Special Tools 15 Appendix B Suggested Torque Values 16 Appendix C Brake Lining Handling Precautions 17 Taylor Dunn Model B0...

Страница 6: ...TAYLOR DUNN...

Страница 7: ...ONTENTS Introduction About this manual 2 Who Should Read This Manual 3 Responsibilities 3 How To Use This Manual 4 Conventions 5 How to Identify Your Vehicle 6 Taking Delivery of Your Vehicle 7 Add fi...

Страница 8: ...de Taylor Dunn has made every effort to include as much information as possible about the operation and maintenance of this vehicle Included in this manual are Vehicle Description Safety Rules and Gui...

Страница 9: ...of the vehicle preoperational and operational checks on the vehicle and the reporting of any problems to service and repair personnel Of the Service Personnel The service personnel are responsible fo...

Страница 10: ...to be performed on this vehicle It also includes various subjects that should be included in the operator and service training program Maintenance Service and Repair This section gives specific inform...

Страница 11: ...treme care while performing the task or The symbol at the left and the bold text contained within a box denotes a Caution and is used to inform the reader that property damage may occur Be sure to exe...

Страница 12: ...Type E vehicles as described in O S H A Standard Section 1910 178 Powered Industrial Trucks and with all applicable portions of the American National Standard for Personnel and Burden Carriers ANSI B...

Страница 13: ...result of shipping note the damage or problem on the bill of lading and file a claim with the freight carrier The claim must be filed within 48 hours of receiving the vehicle and its accessories Also...

Страница 14: ...B2 48 With Dump Bed Option B2 10 Ambulance B2 48 with Steel Cab Foldaway 4 Passenger Seat and Stake Sides ET 3000 ET1 50 Full Size Truck P2 50 30 000 Pound Tow Tractor...

Страница 15: ...ional 8 Directional Signals Optional 9 Hazard Light Switch Optional 9 Accelerator Pedal 9 Reverse or Motion Alarm Optional 9 Park Brake 9 Seat Interlock Switch 10 Vehicle Operational Guidelines 11 Saf...

Страница 16: ...275 Amp Transmission Direct Drive Oil Bath Motor DC 36 Volt 1 5kW 2 hp 2400 RPM for 60 min Series Wound Field Brakes Rear Wheel Mechanical Drum Hand Operated Park Brake Steering Automotive Steering T...

Страница 17: ...and listed below These vehicles are designed for driving on smooth surfaces in and around facilities such as industrial plants nurseries institutions motels mobile home parks and resorts They are not...

Страница 18: ...afety rules contained within this manual Proper operation of all vehicle controls A vehicle operation and driving test Driver Qualifications Only those who have successfully completed the Operator Tra...

Страница 19: ...The forward off reverse switch located behind the key switch on the console between the seats determines the direction of travel of the vehicle Push the top of the switch to engage the forward direct...

Страница 20: ...Charge the batteries when the needle is in the yellow zone If it is in the red zone to the left the batteries are empty and the truck should be taken out of service and charged to avoid damaging the...

Страница 21: ...top LED will light only when connected to a fully charged battery or after completing a charging cycle Successive lower LED s will light as the battery charge diminishes When the second from the botto...

Страница 22: ...e left side of the steering column The switch is a small tab To activate the hazard lights pull the tab out To turn the hazard lights off push forward or pull back the directional signal lever Acceler...

Страница 23: ...l and or the batteries charged the alarm and light will reset Reverse or Motion Alarm Optional The reverse alarm is located in the electronics compartment mounted in the speed control panel enclosure...

Страница 24: ...so could result in unexpected movement of the vehicle causing severe bodily injury and or property damage Seat Interlock Switch A switch located under the driver s seat disables the power to the vehic...

Страница 25: ...it is moving Keep the vehicle under control at all times Yield right of way to pedestrians ambulances fire trucks or other vehicles in emergencies Do not overtake another vehicle at intersections bli...

Страница 26: ...fore leaving the vehicle Set the parking brake Set the forward off reverse switch to the OFF position Turn the key switch to the OFF position and remove the key In addition If parking this vehicle on...

Страница 27: ...e a semi automatic charging system The charger will turn itself ON when the AC power cord is connected to the AC power source and turn itself OFF when the batteries are fully charged Refer to the data...

Страница 28: ...ew batteries require a break in period of up to 40 cycles The batteries will not have their full capacity during this break in period and may require longer charging times Lestronic II Charger Operati...

Страница 29: ...charge as indicated on the Battery Status Indicator BSI Failure to follow this guideline could result in the batteries entering an overcharge state which will reduce the life of the batteries If you f...

Страница 30: ...onnections l Wash and Service Batteries l Check Park Brake l Check Motor Brushes and Blow Out Motor l Check Front Wheel Bearings l Check Rear Axle Oil l Change Rear Axle Oil l Check and Tighten all Nu...

Страница 31: ...TABLE OF CONTENTS General Maintenance General Maintenance 1 Maintenance Guidelines 2 Maintenance Guidelines for Vehicles Used in Severe Conditions 3 Troubleshooting Guide 4 Lubrication Chart 5...

Страница 32: ...s Do not use an open flame to check level or leakage of battery electrolyte Do not use open pans of fuel or flammable fluids for cleaning parts Only properly trained and authorized technicians should...

Страница 33: ...ition the entire vehicle should be inspected monthly for signs of damage If any damage is found the vehicle should be immediately removed from service and repaired The following list is meant as a gui...

Страница 34: ...Power or Slow Operation Brakes or Parking Brakes Dragging Worn Drive Gears Front End Out of Alignment Defective Speed Control Abnormal Noise Worn Drive Gears or Bearings Worn Front Rear Axle Bearings...

Страница 35: ...Grease 3 Ball Joints 2 General Purpose Grease 4 Pedal Linkages 2 General Purpose Grease 5 Front Wheel Bearings 2 High Temperature Wheel Bearing Grease 6 7 Drive Drain Plug 1 8 Drive Level Plug 1 9 Dri...

Страница 36: ...TAYLOR DUNN...

Страница 37: ...el Bearings and King Pin 2 Adjust Front Wheel Bearings 3 Front A Arm Removal and Installation 4 Removal 4 Installation 5 Replace Front Wheel Bearings 6 Replace the King Pins and Bushings 8 Replace the...

Страница 38: ...d listen for any grinding noise Any grinding noise may be an indication of worn or damaged wheel bearings NOTE Refer to the Replace Front Wheel Bearings section for information regarding the replaceme...

Страница 39: ...ront of the vehicle and support with jack stands 7 Remove the hub dust cap and cotter pin 8 While rotating the hub tighten the spindle nut to 30 ft lbs This seats the bearings 9 Back off the spindle n...

Страница 40: ...ck stands of adequate capacity to lift and support the vehicle Failure to use lifting and support devices of rated load capacity may result in severe bodily injury FRONT A ARM REMOVAL AND INSTALLATION...

Страница 41: ...vere bodily injury T A Y L OR DUN N T h e B e s t W a y To Go About Yo u r B u s i n e s s R Installation 6 Raise the front of the vehicle and support with jack stands 7 Install the A arm in reverse o...

Страница 42: ...ub Refer to Replace the Steering Knuckle for information regarding removing the steering knuckle 8 Remove the hub dust cap cotter pin and spindle nut 9 Remove the hub from the steering knuckle NOTE Fo...

Страница 43: ...to the Brakes section for information regarding the installation of the brake body 15 Lower the vehicle 16 Reconnect the main positive and negative cables at the batteries 17 Remove the blocks from b...

Страница 44: ...ace the forward reverse switch in the center OFF position 3 Set the park brake 4 Place blocks under the rear wheels to prevent vehicle movement 5 Disconnect the main positive and negative cables at th...

Страница 45: ...nuckle or suspension arm 10 Inspect the king pin for damage or wear If any damage or wear is noted then the king pin must be replaced 11 Reassemble in reverse order NOTE Refer to Replace the Steering...

Страница 46: ...ult in severe bodily injury Hub with Dust Cap Removed REPLACE THE STEERING KNUCKLE 6 Raise the front of the vehicle and support with jack stands 7 Remove the tire wheel assembly Refer to Tires and Whe...

Страница 47: ...Do not tighten so much as to squeeze the legs of the knuckle together NOTE Refer to Replace Front Wheel Bearings for information regarding proper tightening of the spindle nut 16 Install new cotter p...

Страница 48: ...Maintenance Service and Repair Front Axle Page 12 T A Y L OR DUN N T h e B e s t W a y To Go About Yo u r B u s i n e s s R...

Страница 49: ...Steering Wheel 9 Replace the Steering Gear 10 Replace the Ball Joints Tie Rods and Drag Link 11 Replacing a Rod End 11 Replacing a Ball Joint 12 Replacing the Drag Link 13 Replacing the Tie Rod 14 Ce...

Страница 50: ...y switch is in the OFF position then remove the key 2 Place the forward reverse switch in the center OFF position 3 Set the park brake 4 Place blocks under the rear wheels to prevent vehicle movement...

Страница 51: ...he ball joint clamps in their original location and orientation If the clamps are positioned so that they contact other components it may result in steering failure and loss of control of the vehicle...

Страница 52: ...vehicle while the steering wheel or front wheels tied in the position may cause loss of control of the vehicle resulting in severe bodily injury and or property damage Front wheel alignment 6 Raise t...

Страница 53: ...e tie rod so that the distance at the front and rear of the tires is the same 14 If equipped with ball joints position the ball joint clamps in their original location and orientation 15 Tighten the b...

Страница 54: ...injury and or property damage Typical Ball Joint INSPECT BALL JOINTS NOTE A set of ball joints and or rod ends will wear at the same rate If a ball joint and or rod end is worn out then all should be...

Страница 55: ...atteries 9 Remove the blocks from behind the wheels 10 Release the parking brake and test drive the vehicle 1 Make sure the key switch is in the OFF position then remove the key 2 Place the forward re...

Страница 56: ...information regarding removing the ball joint from the drag link 8 Loosen the gear lash jam nut 9 Find the center position of the steering shaft A Turn the steering shaft all of the way in one direct...

Страница 57: ...the wires from the switch 7 Remove the steering wheel nut 8 Using a steering wheel puller remove the steering wheel 9 Position the front wheels in the straight ahead position 10 Lightly grease the ste...

Страница 58: ...steering gear so that it cannot fall out of the vehicle Failure to support the steering gear will result in the steering gear falling out of the vehicle and could cause property damage and or severe...

Страница 59: ...Loosen the rod end jam nut or clamp on the steering sleeve 8 Remove the rod end nut 9 Remove the rod end from the steering arm HINT Count the number of turns required to remove the rod end from the s...

Страница 60: ...joint nut 9 Using a pickle fork remove the ball joint from the steering arm 10 Remove the ball joint from the steering sleeve HINT Count the number of turns required to remove the ball joint from the...

Страница 61: ...ball joints or rod ends from the steering knuckle and pitman arm NOTE Refer to the Replacing the Ball Joints section for information regarding the removal of the ball joints or rod ends 8 Remove the d...

Страница 62: ...verse order 10 Realign the front wheels NOTE Refer to the Steering section for information regarding realignment of the front wheels 11 Lower the vehicle 12 Reconnect the main positive and negative ca...

Страница 63: ...cannot rotate 8 Install the pitman shaft on the steering gear so that it is as close as possible to perpendicular to the ground Torque the pitman arm nut to 181 217 ft lbs 10 Untie the steering wheel...

Страница 64: ...the input shaft 8 Remove the upper bearing race from the housing 9 Remove the jam nut from the gear lash adjustor and separate the housing cover from the output shaft 10 Remove the output shaft oil s...

Страница 65: ...Maintenance Service and Repair Steering Page 17 Steering Gear Exploded...

Страница 66: ...TAYLOR DUNN...

Страница 67: ...ke Mechanism Operation 2 Inspecting the Auto Adjust Brake Mechanism 3 Brake Shoes 4 Brake Drum Dana 4 Inspect the Park Brake 5 Inspection and Replacement of Park Brake Pedal Lock 5 Rear Brake Linkage...

Страница 68: ...anual adjustment if any part of the external mechanical linkages or cables have been removed NOTE The symptom of a low brake pedal may indicate that the auto adjuster is not working or the brake cable...

Страница 69: ...ad capacity may result in serious bodily injury Inspecting the Auto Adjust Brake Mechanism 6 Raise the rear of the vehicle and support with jack stands 7 Using the appropriate procedure remove the bra...

Страница 70: ...Refer to appendix C for recommended handling precautions Brake Drum Dana NOTE The wheel must be removed to accurately measure the brake drum Refer to Tires and Wheels section for information on remov...

Страница 71: ...to lift and support the vehicle Failure to use lifting and support devices of rated load capacity may result in serious bodily injury Park Brake Lock Brake Arm Brake Pedal 1 2 Bolt Always use new lock...

Страница 72: ...both clevis jam nuts and back off the brake rod adjustment so that the brake pedal falls 2 inches 12 Temporarily install the brake pedal return spring in the clevis pin and stretch approximately 1 5 i...

Страница 73: ...and or severe bodily injury 7 Using the appropriate procedure remove the brake drum 8 Release the park brake 9 Remove the tension springs 10 Remove the hold down springs 11 Remove the auto adjust lev...

Страница 74: ...TAYLOR DUNN...

Страница 75: ...tors with internal cooling fans 2 Enclosed Motors GE no cooling fan 2 Motor Removal and Installation 3 Motor Inspection 3 Replacing the Brushes 5 Replacing the Bearings 6 Repairing the Commutator 6 Se...

Страница 76: ...Disconnect the main positive and negative cables at the batteries Typical motor with cooling fan indicated by the arrow Typical brush and brush holder Motors with internal cooling fans NOTE There are...

Страница 77: ...the length of each motor brush If any one brush is less than or equal to the service limit specified in section Service Limits then all four brushes should be replaced Refer to Replacing the Brushes s...

Страница 78: ...of digital multi meter check the continuity from any one of the commutator segments and the armature frame If it is not an open circuit then the armature is shorted and the motor must be replaced 11 R...

Страница 79: ...Remove the brush covers 2 Loosen the brush wire retaining screw and remove the brush from the brush holder Be careful with the brush spring and do not let it slip off of the spring mount If the spring...

Страница 80: ...Limits then the motor must be replaced 5 Thoroughly clean all copper debris from between the commutator segments Do not press against the outer race of the bearing Pressing against the outer race will...

Страница 81: ...Depth max mm inches mm inches mm inches mm inches 5BC58JBS6129A 0 635 0 025 66 75 2 625 19 05 0 75 38 1 1 5 5BC58JBS6129B 0 635 0 025 66 75 2 625 19 05 0 75 38 1 1 5 5BC58JBS6129C 0 635 0 025 66 75 2...

Страница 82: ...TAYLOR DUNN...

Страница 83: ...r 4 Removal 4 Installation 4 Rear Hub with Brake Drum 5 Removal and Installation 5 Rear Axle 6 Replace the Axle Bearing 8 Transmission 9 Removal and Installation 9 Differential Case 10 Disassemble 10...

Страница 84: ...oil to drain into the drain pan and then reinstall the level plug 10 Reconnect the main positive and negative cables at the batteries 11 Remove blocks from behind the wheels 12 Test drive the vehicle...

Страница 85: ...se lifting and support devices of rated load capacity may result in severe bodily injury CHANGE OIL Park the vehicle on a level surface 6 Place a drain pan that can hold a minimum of 2 quarts of oil u...

Страница 86: ...be removed to allow clearance to remove the motor Refer to Transmission section for information on removing the transmission assembly from the vehicle 6 Remove the motor wires from the motor HINT Tag...

Страница 87: ...tallation NOTE Some vehicle configurations do not have a removable hub The hub is an integral part of the rear axle See the illustrations to the right to identify the hub on your vehicle 6 Remove the...

Страница 88: ...to identify the type of hub on your vehicle NOTE The tire wheel assembly must be removed for these procedures Refer to Tires and Wheels section for information on removing the tire and wheel assembly...

Страница 89: ...rake drum 8 Remove the mechanical brake linkage from the brake arm 9 If equipped with hydraulic brakes disconnect the brake line from the wheel cylinder 10 Remove the four bolts holding the axle brake...

Страница 90: ...m for information regarding removing the hub 2 Press the axle bearing off of the axle shaft and discard 3 Press a new bearing onto the axle shaft 4 If the axle is not to be immediately installed into...

Страница 91: ...Support the rear of the vehicle with a lifting device but do not raise the rear wheels off of the ground 10 Remove the lower shock bolts and compress the shocks to get them out of the way Always use...

Страница 92: ...ion for information on removing the axles 4 Suspend the differential case over a drain pan that can hold a minimum of 2 quarts of oil 5 Remove the differential case cover being careful not to bend or...

Страница 93: ...ate shaft bore plugs 10 Thread a sheet metal screw into each plug until the bore plug is forced out 11 Remove both snap rings from the intermediate shaft bore 12 Using a soft metal or hard wood dowel...

Страница 94: ...ar teeth 13 Remove the intermediate bearing with an ID bearing puller 14 While supporting the shaft and gear assembly repeat steps 12 and 13 for the opposite side bearing and remove the intermediate s...

Страница 95: ...t tightly into their grooves If a snap ring is loose then it must be replaced NOTE All internal components should fit easily together Do not hit any shaft or component with a hard metal hammer or punc...

Страница 96: ...dowel the same diameter as the bearing bore to drive the bearing into place Do not drive against the inner race as this will damage the bearing 4 Install the input shaft into the housing and install...

Страница 97: ...TABLE OF CONTENTS Suspension Replace the Rear Springs 2 Replace the Front Spring 3 Replace the Shocks 4...

Страница 98: ...nds of adequate capacity to lift and support the vehicle Failure to use lifting and support devices of rated load capacity may result in severe bodily injury 6 Remove the lower shock bolt on the same...

Страница 99: ...g and support devices of rated load capacity may result in severe bodily injury 6 Raise the front of the vehicle and support with jack stands 7 Tie up or support the left and right side front wheel so...

Страница 100: ...kage is seen then the shock must be replaced B Inspect the upper and lower shock bushings If any signs of damage or wear are seen then the shock must be replaced 9 Install the shock in reverse order 1...

Страница 101: ...TABLE OF CONTENTS Tire Inflation 2 Tire Inspection 2 Replace the Front Tire Wheel 3 Replace the Rear Tire Wheel 3 Repair the Tire pneumatic 4 Replace the Tire pneumatic 5 Tires and Wheels...

Страница 102: ...tions available with varying tire pressures Refer to the side wall of your tire for information regarding the tire pressure for your tires The illustration to the right is an example of the side wall...

Страница 103: ...em 11 Inspect the tread and side walls for debris in the rubber that could lead to a puncture If any debris is found it should be removed and the tire inspected for a leak 1 Make sure the key switch i...

Страница 104: ...nuts may result in the wheel coming off of the vehicle causing severe bodily injury and or property damage REPAIR THE TIRE PNEUMATIC NOTE To properly repair a puncture the tire must be removed from t...

Страница 105: ...eplacement should only be performed by personnel trained in tire replacement The tire replacement procedure will be unique to the type of replacement equipment being used Refer to the instructions pro...

Страница 106: ...TAYLOR DUNN...

Страница 107: ...LE OF CONTENTS Cleaning 2 Testing 3 Watering 5 Charging 6 Replacing 6 volt batteries only 7 Moist Charge Batteries 9 Storage and Returning to Service 10 Storage 10 Returning to Service 11 Battery Serv...

Страница 108: ...rinse thoroughly with clear water DO NOT get any of the solution into the battery cells 8 Reconnect the batteries remove the blocks from the wheels and test drive Explosive mixtures of Hydrogen gas ar...

Страница 109: ...h or charge battery in an area where open flames including gas furnace or water heater pilots sparks cigarettes or any other sources of combustion are present Always provide ample ventilation in rooms...

Страница 110: ...mber77 200 00 hydrometer check and record the specific gravity of each cell in the battery pack If after charging none of the cells exceed a hydrometer reading of 1250 then there may be a fault in the...

Страница 111: ...ject onto the battery A conductive object that comes in contact with the battery terminals will initiate a short circuit of the battery This could cause the battery to explode resulting in severe bodi...

Страница 112: ...ative cables at the batteries CHARGING Refer to Charging Your Vehicle in section Safety Rules and Operating Instructions 6 Clean the batteries Refer to Cleaning the Batteries section for information o...

Страница 113: ...tion are present Always provide ample ventilation in rooms where batteries are being charged Failure to do so may result in severe property damage and or serious A battery is a live electrical source...

Страница 114: ...icle 11 Inspect the battery compartment for signs of corrosion 12 If minimal signs of corrosion are seen then the damaged paint should be stripped off and the entire battery compartment prepped and re...

Страница 115: ...n rooms where batteries are being charged Failure to do so may result in severe property damage and or serious A battery is a live electrical source It cannot be disconnected or neutralized Do not dro...

Страница 116: ...E AND RETURNING TO SERVICE Storage Thoroughly clean the batteries and battery compartment Refer toCleaning in this section for information regarding cleaning the batteries Check the electrolyte level...

Страница 117: ...that comes in contact with the battery terminals will initiate a short circuit of the battery This could cause the battery to explode resulting in property damage and or bodily injury Battery electro...

Страница 118: ...TAYLOR DUNN...

Страница 119: ...leshooting SYMPTOMS 2 READ THIS FIRST 3 Test Equipment Required 3 IMPORTANT NOTES and INSTRUCTIONS 3 Definitions 3 SYMPTOM TROUBLESHOOTING GUIDE 19 PMC CONTROL 20 PLUGGING DIODE 22 FREEWHEEL DIODE 23...

Страница 120: ...mal speed in the opposite direction with high armature current only NOTE Field current will be very low in the opposite direction Accelerates slowly and exceeds normal speed in both directions plus hi...

Страница 121: ...iple component failures This troubleshooting guide assumes the batteries are good Charge and test the batteries before troubleshooting the control system DO NOT start in the middle of this troubleshoo...

Страница 122: ...lerator pedal is depressed then go to the Forward Reverse Switch sequence After any repairs are made completely retest the vehicle before lowering the drive wheels to the ground Failure to retest the...

Страница 123: ...key 2 Place the forward reverse switch in the center OFF position 3 Set the park brake 4 Place blocks under the front wheels to prevent vehicle movement The rear drive wheels may rotate during some o...

Страница 124: ...k brake 4 Place blocks under the front wheels to prevent vehicle movement The rear drive wheels may rotate during some of the following tests Block the front wheels raise the rear drive wheels off the...

Страница 125: ...all interlock switches turn the Key Switch ON and place the F R Switch in Forward Depress the accelerator pedal to engage MS 1 only If the voltage is not between 6 0 and 6 5 volts then go to the Accel...

Страница 126: ...ositive If the voltage is not the same as battery volts then there is an open circuit in the wire from B to the battery Stop troubleshooting here and repair the problem When the repair is completed co...

Страница 127: ...motor may not be in the same location S2 A1 A2 S1 Wiring to motor omitted for clarity Do not disconnect the motor wires for this test Motor Set the test light voltage to the same voltage as the batter...

Страница 128: ...on the power switch to the 6 11 volt range All but the power lamp should be OFF If the FS 1 FS 3 or OV lamp Over Voltage are ON then the module is faulty Depress the lever on the module The FS 1 lamp...

Страница 129: ...Representative for more information If you do not know how to test for continuity refer test to a qualified technician COLD Violet Wire s HOT Red wire s BATTERY MAIN NEGATIVE KEY SWITCH View of the t...

Страница 130: ...at battery volts then go to the Accelerator sequence Connect a voltmeter across one of the COLD terminals of the KSI side of the F R switch and battery negative Close all interlock switches turn the K...

Страница 131: ...ve NOTE You may skip this test if it was completed in a previous section If the voltage is not at battery volts then check the wiring to battery negative and the negative circuit breaker Stop trouble...

Страница 132: ...ttery volts then the F R switch has failed Stop trouble shooting here and repair the problem When the repair is completed completely retest the vehicle before lowering the drive wheels to the ground C...

Страница 133: ...may vary Battery Negative FWD REV Connect a voltmeter across the ISO solenoid COLD terminal and battery negative Close all interlock switches and turn the Key Switch ON Depress the accelerator pedal f...

Страница 134: ...volts then go to the F R Switch sequence Set the test light voltage to the same voltage as the battery volts Connect the test light across the normally open contacts of the reverse solenoid Refer to...

Страница 135: ...When the repair is completed completely retest the vehicle before lowering the drive wheels to the ground Reverse does not run in forward Connect a voltmeter across the PMC KSI terminal and battery ne...

Страница 136: ...e position of the forward solenoid Close all interlock switches turn the Key Switch ON and place the F R Switch in forward Depress the accelerator pedal fully If the light comes on then the Forward so...

Страница 137: ...eeds normal speed in both directions plus high armature current NOTE Field current will be very low SOLENOIDS Full speed only PMC CONTROL Does not run in either direction plus there is noise from moto...

Страница 138: ...in the OFF position then remove the key 2 Place the forward reverse switch in the center OFF position 3 Set the park brake 4 Place blocks under the front wheels to prevent vehicle movement 5 Disconnec...

Страница 139: ...drive wheels to the ground otherwise continue with the next test If the voltage at pin 2 is correct and the voltage at M is correct then there is a short in the harness between the wire connected to...

Страница 140: ...ution then you may have an unanticipated problem or have made an error during testing It is important to review the trouble shooting steps that have led to this point The tests may need to be repeated...

Страница 141: ...ant to review the trouble shooting steps that have led to this point The tests may need to be repeated B M A2 B 2 KSI _ The reading shown is for illustration only The actual reading may vary 1 Make su...

Страница 142: ...re bodily injury and or property damage Rotating rear drive wheels are a potential hazard Keep hands arms legs and loose clothing away from the rear drive wheels while conducting tests Failure to do s...

Страница 143: ...repeated Reading is plus or minus 10 ISO solenoid is shown for reference only The type of solenoid in your truck may look different _ Connect the meter to each end of the resistor that was removed fro...

Страница 144: ...is a very slight possibility that a failure in the motor could cause these symptoms Perform the tests covered in the MOTOR section first If the motor is OK continue with the following tests Remove the...

Страница 145: ...the wire connected to the motor A2 terminal C The wire connected to the motor S2 terminal is shorted to the wire connected to the PMC A2 terminal Stop trouble shooting here and repair the problem Whe...

Страница 146: ...se solenoid is shorted B The wire connected to the PMC M terminal is shorted to the wire connected to the motor S1 terminal Stop trouble shooting here and repair the problem When the repair is complet...

Страница 147: ...ing here and repair the problem When the repair is completed completely retest the vehicle before lowering the drive wheels to the ground otherwise continue with the next test 1 Make sure the key swit...

Страница 148: ...black or the insulation is cracked and peeling then the armature has been overheated and burnt The motor must be replaced Stop here and repair the problem otherwise continue with the next test 4 Perf...

Страница 149: ...4 Important Notes and Instructions 4 Troubleshooting for Built in Charger 5 Troubleshooting for Portable Charger 8 Testing The Timer Relay 9 Testing the Interlock Relay 10 Turn the Key switch OFF BEF...

Страница 150: ...urrent state of charge when it is plugged in it assumes that the batteries require charging when it is connected For this reason it is recommended to discharge the batteries approximately 50 1175 1200...

Страница 151: ...efore connecting the charger The electrolyte in the batteries is too high boil over The electrolyte in the batteries is too low excessive gassing or sulfur smell To test the charger to see if it is tu...

Страница 152: ...than 80 discharged as per hydrometer reading The battery voltage must be above approximately 65 of the chargers rated DC voltage If the batteries are below approximately 65 of the chargers rated DC vo...

Страница 153: ...r has a bad connection Stop here and repair the problem Slide the insulators back onto the connectors on the two 10 gauge wires Slide the insulators off the connectors on the two 14 gauge wires Re Con...

Страница 154: ...re continuing Connect a 2k ohm resistor across the capacitor terminals for 10 seconds Do not touch the capacitor terminals with your hands The resistor should be held with a pair of insulated pliers F...

Страница 155: ...mer Relay Test Stop here and repair the problem Test the AC voltage across the transformer primary circuit The transformer primary consists of the two solid wires with the brown fiber insulator that a...

Страница 156: ...blem Remove the charger cover and perform the following tests 1 Inspect the internal wiring of the charger and repair as required 2 Check the continuity of both fuse links and replace if bad 3 Disconn...

Страница 157: ...f the charger If it is less than the rated AC voltage of the charger then the timer relay is bad Stop here and repair the problem Test the AC voltage across the transformer secondary circuit The volta...

Страница 158: ...here and repair the problem 9 Connect the charger to a working AC power source The charger should turn on If the charger does not turn on then their may be a problem with the AC power source or the A...

Страница 159: ...st Equipment Required for Troubleshooting 4 Important Notes and Instructions 4 Status LED Error Code Table 5 Troubleshooting 6 Turn the Key switch OFF BEFORE disconnecting the batteries Disconnecting...

Страница 160: ...ses the charger current while holding the batteries at the terminal voltage until the charging cycle is complete The charger faceplate has three status LED s that monitor the charging status Refer to...

Страница 161: ...eter and clamp on DC ammeter monitor the battery voltage and current during the charging cycle The charging current should remain within 10 of the DC output current see previous page until the battery...

Страница 162: ...od working condition Make sure that the AC voltage at the electrical socket is the same as the AC voltage on the charger nameplate Make sure the batteries are in good condition If the charger exhibits...

Страница 163: ...arger cooling fins and clean as required 4 Input or Output over current Charger will automaticaly correct for this condition and restart Note If only the 100 LED is flashing and all others are OFF the...

Страница 164: ...g current will be reduced and will taper off until the batteries are fully charged Perform the following if the charger does not turn on 5 Disconnect the charger from the AC source 6 Remove the charge...

Страница 165: ...ing Cycle 4 Status Light Error Code Table 5 Troubleshooting 6 Rev C Turn the Key switch OFF BEFORE disconnecting the batteries Disconnecting the batteries with the key switch ON may corrupt the contro...

Страница 166: ...here are no internally serviceable components in the charger If the charger has failed then it must be replaced DEFINITIONS Volts Per Cell Voltage for each cell in a battery pack for example one 6 vol...

Страница 167: ...ge the charger decreases the charger current while holding the batteries at the terminal voltage until the charging cycle is complete The charging cycle is complete when the current is down to A1 On t...

Страница 168: ...ng off due to that the charger has restarted Fully test the battery pack before assuming that the charger is not turning off or running too long A charger could turn off in less than 12 hours but stil...

Страница 169: ...charger Battery voltage must be less than 33 7v 36v charger Battery voltage must be less than 43 2v 48v charger Battery voltage must be less than 57 6v 4 Overheated Inspect for dirt or debris on the c...

Страница 170: ...e reduced and will taper off until the batteries are fully charged The batteries are fully charged when the charging current is down to A1 If the charger does not turn on there are no faults and the P...

Страница 171: ...TABLE OF CONTENTS Wire Diagrams Complete Vehicle 2 Dash 3 Control Panel 4 Accelerator Module Detail 5 Lights 6...

Страница 172: ...verse solenoid coil STROBE Brown STROBE White _ Brown White Black HM _ BSI Black _ SWITCH STOP Gray Violet Black Red Brown LIGHT D1 KEY Red Red SEAT SWITCH YELLOW Violet Black Black Yellow F Violet Bl...

Страница 173: ...Black BSI Red LIGHT Red KEY Red Red Red Violet Black Violet Black Violet Black Black R Black Yellow Violet Black Green Black Fowrard and Reverse Switch Accelerator Module Plug R Reverse solenoid coil...

Страница 174: ...Black D1 Red R1 S1 Red CB 20A Red Black White Black White White MOTOR Black SPEED CONTROL KSI Violet Black Yellow 2 B Black B A2 Blue A Charging Recptacle Black Red Main battery negative Main battery...

Страница 175: ...ge 5 ACCELERATOR MODULE DETAIL Black Yellow Violet Black Green Black MS2 Micro switch 2 MS1 Micro switch 1 Internal components are illustrated for reference only There are no user serviceable parts in...

Страница 176: ...HEAD LIGHTS Brown Turn Lights White Left Right Brown White To 12v Brown Brown White White STROBE _ Red Brown D1 LIGHT STROBE KEY Red Red Red To B 4 4 OFF RIGHT 4W AY LEFT White 3 3 Black FLASHER 9 9...

Страница 177: ...ar Suspension 12 Motor 14 Brake linkage 16 Wheels and Tires 18 Instrument Panel Console 20 Speed Control Panel 22 Miscellaneous Electrical 24 Miscellaneous Frame and Body 26 Charger Page 1 28 Charger...

Страница 178: ...Illustrated Parts Parts Page 2 Front Axle and Suspension...

Страница 179: ...eft 1 9 88 189 81 5 8NC Hex lock nut 2 10 97 180 55 Thrust washer 4 11 32 240 55 Bushing 4 12 21 020 15 King pin 2 13 88 119 81 3 8NC hex lock nut 2 14 14 110 17 Bushing 2 15 88 111 22 3 8NC x 3 1 2 H...

Страница 180: ...Illustrated Parts Parts Page 4 Steering Linkage...

Страница 181: ...d 1 7 86 519 10 Rod end right thread 1 8 86 519 11 Rod end left thread 1 9 50 002 20 Drag link 1 10 88 119 50 3 8NF Hex nut 1 11 97 202 50 Jam nut left thread 1 12 88 100 15 3 8NC x 1 3 4 Hex bolt 2 1...

Страница 182: ...Illustrated Parts Parts Page 6 Steering Gear...

Страница 183: ...ck washer 1 7 Oil seal 1 8 Lower worm bearing and race 1 9 Shim 0 10 mm As needed Shim 0 15 mm Shim 0 30 mm 10 Gasket 1 11 Housing 1 12 Housing cover 1 13 Screw 4 14 Gasket 1 15 Output gear shaft 1 16...

Страница 184: ...Illustrated Parts Parts Page 8 Transmission Differential Case 1 2 3b 4 5 6 7 6 5 8 3c 9 3d 9 8 5 6 7 15 10 16 10 3a 14 11 11 17 12 13...

Страница 185: ...r 1 3d See kit below Intermediate shaft 1 4 80 480 15 Input shaft bearing 1 5 88 840 12 Snap ring 1 6 80 715 10 O ring 1 7 41 973 00 Bore plug 1 8 66 610 35 Intermeadiate shaft bearing 2 9 80 715 00 O...

Страница 186: ...Illustrated Parts Parts Page 10 Rear Axle and Brakes...

Страница 187: ...28 66 611 11 Retaining ring 2 29 66 611 12 Axle bearing 2 30 66 611 13 Snap ring 4 31 Brake assembly L 1 32 Brake assembly R 1 33 66 611 14 Wheel stud 10 35 41 126 96 Axle shaft L 1 36 41 126 97 Axle...

Страница 188: ...Illustrated Parts Parts Page 12 Rear Suspension...

Страница 189: ...32 249 00 Bushing assembly 3 6 85 140 00 Spring 2 7 86 602 00 Shock 2 8 17 106 00 Spacer 2 9 01 110 83 Spring mount left 1 01 110 84 Spring mount right 1 10 01 110 80 Swing arm 1 11 00 255 02 Track a...

Страница 190: ...Illustrated Parts Parts Page 14 Motor 2 3 5 6 4 7 8 1 9 10 Armature 12...

Страница 191: ...70 201 15 Field coils mounted in motor housing 1 2 70 210 51 Inulator 2 3 85 412 00 Brush spring 4 4 70 172 15 Brush holder includes 3 1 5 70 104 15 Motor brush 2 2 6 70 210 51 Insulator 2 7 32 508 1...

Страница 192: ...Illustrated Parts Parts Page 16 Brake linkage...

Страница 193: ...4 7 88 517 11 1 8 x 1 Cotter pin 4 8 50 002 17 Brake rod 1 9 88 099 80 5 16 Hex nut 1 10 96 763 00 Clevis 1 11 01 204 32 Brake cable eqalizer 1 12 96 754 00 Clevis 2 13 96 826 12 Brake cable 2 14 96...

Страница 194: ...Illustrated Parts Parts Page 18 Wheels and Tires Ref wheel hub 1 2 5 assembly 4 3 6 7 8 9 10...

Страница 195: ...l Assembly 2 5 bead width includes 3 4 6 7 8 3a 12 042 12 Inner Wheel 12 bolt 4a 12 042 13 Outer Wheel 12 bolt 5a 12 042 00 Wheel Assembly 3 75 bead width includes 3a 4a 6 7 8 6 88 110 09 3 8 x 3 4 NF...

Страница 196: ...Illustrated Parts Parts Page 20 Instrument Panel Console...

Страница 197: ...nt Panel ITEM PART DESCRIPTION QTY 1 71 120 10 Key switch 1 2 71 100 00 Light switches 2 3 74 009 00 Battery status meter 1 4 71 039 02 Forward and reverse switch 1 5 94 386 03 Console decal 1 6 00 11...

Страница 198: ...Illustrated Parts Parts Page 22 Speed Control Panel 4 6 7 5 21 20 19 13 10 REV FWD ISO 8 8 1 2 11 12 14 15 16 Solenoid end view from side closest to PMC 9 17 17 18 End view of PMC 5...

Страница 199: ...D thread 8 9 73 004 20 Horn 1 10 01 110 35 Mounting panel 1 11 97 211 20 14NC U nut 4 12 88 838 06 14 x 1 2 Pan head screw type D thread 2 13 88 817 09 8 x 3 4 Phillips head sheet metal screw 2 14 61...

Страница 200: ...s Electrical Horn Switch Mounted 5 7 6 Floorboard Mechanical Brake Light Switch Mounted Under Floorboard 8 9 Seat Interlock Switch Accelerator Module 10 14 13 11 12 Seat Frame 1 Motion Alarms Miscella...

Страница 201: ...065 06 1 4 NC x 21 2 Phillips Truss Head Screw Horn Switch 2 7 88 069 81 1 4 NC Hex Nylon Locknut Horn Switch 2 8 71 111 00 Brake Light Switch 1 9 88 045 06 10 32 x 1 2 Machine Screw brake light switc...

Страница 202: ...Illustrated Parts Parts Page 26 Miscellaneous Frame and Body...

Страница 203: ...90 147 30 Passenger seat cushion 1 3 90 179 10 Seat back 1 4 01 110 16 Deck lid 1 5 94 035 01 Seat trim 7 feet 6 98 455 50 Heat shrink tube 6 inches 7 01 110 20 Accelerator pedal 1 8 See Brake Linkag...

Страница 204: ...Illustrated Parts Parts Page 28 Charger Page 1 CHARGERS DWG 6 8 5 4 3 7 11 1 2 8 3 4 5 10 7 6 2 1 8 9 Typical Built In charger Typical Portable charger...

Страница 205: ...9 730 00 79 566 10 76 200 00 22640 79 303 20 36LC40 8ET 150 60 16 36 40 Built In 79 852 00 79 805 67 79 808 00 79 902 00 79 749 10 S O 79 831 10 79 530 00 79 809 50 76 200 00 11860 79 304 65E 36LC25 8...

Страница 206: ...Illustrated Parts Parts Page 30 CHARGERS DWG 6 8 5 4 3 7 11 1 2 8 3 4 5 10 7 6 2 1 8 9 Typical Built In charger Typical Portable charger Charger Page 2...

Страница 207: ...1 10 79 531 00 79 530 00 S O 76 200 00 13110 79 301 10 24LC25 8ET 115 60 9 24 25 Portable 79 851 10 79 805 64 79 808 10 79 902 00 S O S O S O 79 831 00 79 532 00 79 530 00 79 566 10 76 200 00 12750 79...

Страница 208: ...the charger When replacing the charger do not cut and splice the AC cord Cutting the AC cord will void the charger warranty NOTE The Signet model HBS series charger replaces all previous Signet model...

Страница 209: ...M PART DESCRIPTION QTY 94 050 10 Headlight left 1 94 050 11 Headlight right 1 94 050 04 Headlight retainer 4 00 110 02 Headlight panel 1 72 022 00 Tailight 1 or 2 72 022 51 Tailight gasket 1 or 2 72 0...

Страница 210: ...Illustrated Parts Parts Page 34 Batteries POS POS POS POS POS POS NEG NEG NEG NEG NEG 1 2 7 8 NEG Main Positive 12 v Negative Tap Main Negative 6 5 4 3...

Страница 211: ...charger 0 or 6 77 047 00 244AH T 145 0 or 6 77 047 50 250AH TD 250 0 or 6 77 047 80 244AH T 145 Moist charge dry 0 or 6 77 048 00 250AH J 250 0 or 6 77 048 80 250AH J 250 Moist charge dry 0 or 6 77 0...

Страница 212: ...Illustrated Parts Parts Page 36 Decals...

Страница 213: ...4 01 Not a motor vehicle 0 or 1 94 384 04 Not a motor vehicle Export vehicles 0 or 1 5 94 313 00 Battery warning 1 6 94 319 00 Dissconnect battery 1 7 See Instument Panel Console decal 8 94 313 20 Saf...

Страница 214: ...Illustrated Parts Parts Page 38 Sun Top and Windshield...

Страница 215: ...eld 1 7 98 314 01 Gasket 1 8 98 603 00 Grommet 8 9 88 065 11 1 4NC x 1 Truss head bolt 8 10 88 068 60 1 4 Cut flat washer 8 11 88 080 11 5 16NC x 1 Hex bolt 4 12 88 089 81 5 16NC Lock nut 4 13 88 069...

Страница 216: ...Illustrated Parts Parts Page 40 Mirrors Multi Panel mirror Side mirror 9 11 2 1 2 5 4 6 7 3...

Страница 217: ...M PART DESCRIPTION QTY 1 92 201 00 Mirror 1 or 2 2 92 202 12 Mounting bracket left 1 3 88 088 61 5 16 SAE flat washer 2 4 88 080 09 5 16NC x 3 4 Hex bolt 1 5 88 088 62 5 16 Split lock washer 1 6 88 06...

Страница 218: ...Illustrated Parts Parts Page 42 Tool Box Luggage Rack 2 1 3 Tool box Luggage rack...

Страница 219: ...Ilustrated Parts Parts Page 43 Tool Box Luggage Rack ITEM PART DESCRIPTION QTY 1 71 040 95 Lock 1 2 90 547 14 Tool box 1 3 90 547 11 Luggage rack 1...

Страница 220: ...Illustrated Parts Parts Page 44...

Страница 221: ...TAYLOR DUNN...

Страница 222: ...APPENDIX A Special Tools...

Страница 223: ...l C4 25 Huskey 62 027 10 GE EV1 Analyzer Used to test the GE EV1 speed control 62 027 20 Disc Brake Boot Installation Tool Used to install the rubber boot on all disc brake bodies 41 350 13 Pin Removi...

Страница 224: ...are Suggested Torque Limits Hardware Identification 2 Standard Head Markings 2 Hex Bolts 2 Other Bolts 2 Hex Nuts 3 Hex Lock Nuts stover 3 Other Nuts 3 Suggested Torque Values non critical hardware 4...

Страница 225: ...e 5 Truss Head grade 2 Carriage Bolt grade 2 unless marked as above Other Bolts NOTE Torque value used should be for lowest grade of hardware used If a grade 2 nut is used on a grade 8 bolt use grade...

Страница 226: ...A E Grade 2 Lock nuts use a letter to indicate the grade of the nut Grade A locknuts would be the equivelent of Grade 2 hex nuts Grade B as Grade 5 and Grade C as Grade 8 NOTE Nuts with no markings ar...

Страница 227: ...39 59 60 90 85 128 95 1 2 20 44 66 68 102 96 144 110 9 16 12 56 84 87 131 123 184 140 9 16 18 63 94 97 146 137 206 160 5 8 11 78 117 120 180 170 254 195 5 8 18 88 132 136 204 192 288 225 3 4 10 138 20...

Страница 228: ...r section Dana F N R 25 35 300 420 34 47 6 Carrier cap bolts Dana 100 120 1200 1440 136 163 2 Differential Cover plate Dana H12 18 25 216 300 24 5 34 Drain plug Dana H12 25 40 300 480 34 54 4 Drain pl...

Страница 229: ...TAYLOR DUNN...

Страница 230: ...Appendix C...

Страница 231: ...rake assemblies Use an OSHA approved vacuum cleaner or any alternate method approved by OSHA to minimize the hazard caused by airborne asbestos fibers and brake dust Do not grind sand break or chisel...

Страница 232: ......

Страница 233: ...Taylor Dunn Mfg 2114 W Ball Rd Anaheim CA 92804 800 688 8680 714 956 4040 FAX 714 956 0504 Mailing Address P O Box 4240 Anaheim California 92803 Visit our Website www taylor dunn com...

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