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Curtis PMC Troubleshooting

Page 30

Check continuity from ‘S1’ to the frame of the

motor.
If you do not know how to test for continuity,

refer test to a qualified technician.

This should be an open circuit. If there is

continuity from ‘S1’ to the frame of the

motor, then the motor field is shorted.

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,

otherwise continue to Motor Inspection.

Motor Inspection

1. Remove and disassemble the motor.

2. Visually inspect the inside of the brush end housing. If there are any silver specs of metal

around the inside of the housing, it indicates that the armature has overheated and melted

the solder around the commutator. The armature is bad and the motor must be replaced.

Stop here and repair the problem, otherwise continue with the next test.

3. Visually inspect the armature wires where they loop around at the shaft end of the armature.

The insulation should be a light to medium reddish brown color. If the insulation is dark brown

to 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. Perform a continuity test around the armature commutator. Place one of the test leads on

a single commutator segment. While holding the first test lead on the segment, check the

continuity to the other segments around the commutator.

If you do not know how to test for continuity,

refer test to a qualified technician.

•

There should be continuity on each

commutator segment. If an open segment

is found, the armature is bad and the

motor must be replaced. 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.

STOP

Stop, do not continue. If you reached this point without a solution, 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.

Содержание MX-026-00

Страница 1: ...F 5 1 4 2 0 1 8...

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 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 5: ...els 9 Battery Service 10 Control System Troubleshooting 11 Wire diagram 12 Illustrated Parts 13 Appendix A Special Tools 14 Appendix B Suggested Torque Values 15 Appendix C Brake Lining Handling Preca...

Страница 6: ...TAYLOR DUNN...

Страница 7: ...f Contents Chapter Introduction About this manual 2 Who Should Read This Manual 2 Responsibilities 2 How To Use This Manual 3 Conventions 3 How to Identify Your Vehicle 4 Taking Delivery of Your Vehic...

Страница 8: ...pplicable models and serial numbers on the front cover Please be aware of all cautions warnings instructions and notes contained in this manual RESPONSIBILITIES Of the Owner The owner of this or any T...

Страница 9: ...ventions Symbols and or words that are used to define warnings cautions instructions or notes found throughout this manual Refer to the examples below Note Alerts the reader to additional information...

Страница 10: ...described in O S H A Standard Section 29 CFR 1910 178 Powered Industrial Trucks and with all applicable portions of the American National Standard for Personnel and Burden Carriers ANSI B56 8 This ve...

Страница 11: ...Taylor Dunn vehicle is a factory authorized service technician Repairs made by unauthorized personnel may result in damage to the vehicles systems which could lead to an unsafe condition resulting in...

Страница 12: ...TAYLOR DUNN...

Страница 13: ...rlock SS 536 SS 546 MX 600 6 Battery Status Indicator Digital Bargraph optional 6 Battery Status Indicator Analog 6 Safety Guidelines 7 Starting 7 While driving 7 Vehicle Operational Guidelines 7 Chan...

Страница 14: ...es 597 x 699 mm SS 536 SS 546 19 x 30 inches 483 x 762 mm MX 600 27 x 30 inches 686 x 762 mm Maximum Carried Load SS 534 500 pounds 227 kg Note Load centered on deck SS 536 SS 546 MX 600 600 pounds 27...

Страница 15: ...h in the center OFF position 3 Set the park brake 4 Place blocks under the front wheels to prevent vehicle movement 5 Disconnect the main positive and negative cables at the batteries DRIVER TRAINING...

Страница 16: ...Headlight Switch 4 Battery Status Gauge The battery status gauge displays the relative charge of the batteries Refer to details later in this section 5 Strobe Light Switch optional 6 Forward Off Reve...

Страница 17: ...Park Brake Foot Operated The parking brake is part of the foot brake pedal To set the parking brake push down on the lower half of the brake pedal until the pedal locks in the down position To releas...

Страница 18: ...l be in the red zone to the right The needle will move through the green zone toward the yellow zone as the batteries discharge Charge the batteries when the needle is in the yellow zone If it is in t...

Страница 19: ...en approaching a corner or other intersection No reckless driving Do not drive this vehicle on steep inclines or where prohibited Allow for longer stopping distances when driving down a grade Immediat...

Страница 20: ...he wheels to the curb or block the wheels Do not block fire aisles emergency equipment stairways or exits Towing the Vehicle To tow this vehicle attach a tow strap to the front bumper tow bar Use anot...

Страница 21: ...ed a minimum of 25 to reduce the possibility of overcharging Refer to Vehicle Controls in this section for information on how to read the BSI Do not discharge the batteries beyond a normal discharge a...

Страница 22: ...display an approximate percent of charge during the charging cycle Refer to the table below 2 Error condition If the FAULT LED is on or flashing it is an indication that a problem occured during the c...

Страница 23: ...es to proper pressure if applicable For extended storage the vehicle should be elevated so that the tires do not touch the ground If stored for a prolonged period the batteries should be charged as fo...

Страница 24: ...e copy of the Periodic Maintenance Checklist is on the Vehicle Documentation CD under the Misc sub folder PERIODIC MAINTENANCE CHECKLIST SS 536 546 MX 600 NOTE A full page copy of the Periodic Mainten...

Страница 25: ...ES AND OPERATING INSTRUCTIONS Safety Rules Page 13 PERIODIC MAINTENANCE CHECKLIST SS 534 NOTE A full page copy of the Periodic Maintenance Checklist is on the Vehicle Documentation CD under the Misc s...

Страница 26: ...Use on multiple shifts 2 Any deficiencies found during an inspection should corrected before the vehicle is returned to service 3 Battery water level should be inspected on a weekly schedule Daily Vi...

Страница 27: ...Table of Contents Chapter General Maintenance Maintenance Guidelines 2 Troubleshooting Guide 3 Lubrication and Fluids Chart 4 Lubrication Diagram 5 3...

Страница 28: ...or cleaning parts Only properly trained and authorized technicians should perform maintenance or repairs to this vehicle Periodic maintenance and service must be performed on this vehicle Failure to c...

Страница 29: ...inkage out of adjustment Adjust linkages Hard Brake Pedal Faulty master cylinder Inspect master cylinder Lack of Braking Power Contaminated brake pads Replace brake pads Worn brakes Replace brakes Air...

Страница 30: ...de 2 lithium multi purpose grease 3 Fork Bearings 1 NLGI Grade 2 lithium multi purpose grease Linkages 4 Brake pedal pivot 2 Multi purpose spray lubricant Park brake pedal pivot 2 Multi purpose spray...

Страница 31: ...Repair Page 5 Lubrication Diagram 1 5 2 SS 546 Front Axle 1 2 3 4 Drive Transmission SS 536 546 Transmission pan bottom View Fill and Level plug Pan must be removed to drain SS 534 Drive Rear View Fil...

Страница 32: ...TAYLOR DUNN...

Страница 33: ...Wheel Bearings 3 wheel 2 Adjust Front Wheel Bearings 4 wheel 3 Front Axle Removal and Installation 3 wheel 4 Removal 4 Installation 4 Front Axle Removal and Installation 4 wheel 5 Removal 5 Installati...

Страница 34: ...r to the Adjust Front Wheel Bearings section for information regarding the adjustment of the wheel bearings 9 Spin the wheel s and listen for any grinding noise Any noise may be an indication of worn...

Страница 35: ...NGS 4 WHEEL 6 Raise the front 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...

Страница 36: ...k stands Installation 1 Raise the front of the vehicle so that the hole for the axle is the same height as the front wheel hub 2 Assemble the bearing spacers into the front wheel hub and place the fro...

Страница 37: ...se lifting and support devices of rated load capacity may result in severe bodily injury REPLACE FRONT WHEEL BEARINGS 6 3 wheel only Remove the front axle and wheel s Refer to Front Axle Removal and I...

Страница 38: ...Maintenance Service and Repair Front Axle Page 6 HARDWARE TORQUE If hardware is not listed here refer to standard torque values in the appendix Description Foot Pounds Newton Meters...

Страница 39: ...Hardware Torque 6 Steering Component Service 5 There are three different steering configurations available depending on the vehicle model and options ordered Make sure you are in the correct section...

Страница 40: ...stance between the lines at the front and rear of the tires 12 Adjust the links so that the distance at the front and rear of the tires is the same 13 Tighten the rod end jam nuts per torque listed in...

Страница 41: ...Release the park brake and test drive the vehicle Inspection 6 Grab the steering link and attempt to move it up and down 7 If the rod end housing moves it is worn out and should be replaced Tighten th...

Страница 42: ...ble play 8 If there is any play in the fork bearings refer to section Replace the Front Fork for information regarding adjusting the fork bearings 9 Lower the front end to the ground 10 Reconnect the...

Страница 43: ...ghly Clean and inspect all parts 14 Using new gaskets reassemble in reverse order 15 Fill the gear box with grease Note A minor amount of gear lash adjustment can be accomplished by repositioning the...

Страница 44: ...ith jack stands 10 Inspect the upper and lower fork collar seals and replace if necessary 11 Install the fork in reverse order being careful not to damage the lower fork collar seal 12 Use a new fork...

Страница 45: ...djust the Service Brake Linkage 5 Adjust the Parking Brake 5 Replace Brake Shoes 6 Hardware Torque 7 Current Taylor Dunn brakes are asbestos free However there is the possibility that the original bra...

Страница 46: ...en the travel becomes long enough the brake lever engages the auto adjust lever and causes it to index a tooth on the star wheel adjuster This rotates the adjuster which decreases the travel needed fo...

Страница 47: ...nd support with jack stands 7 Using the appropriate procedure remove the brake drum 8 Release the park brake 9 Back off the auto adjuster star wheel one or two turns 10 Reinstall the brake drum and de...

Страница 48: ...l The service limit for the inside diameter of the brake drum is 6 330 inches If the brake drum is grooved or worn beyond the service limit then the brake drum must be replaced Measure the inside diam...

Страница 49: ...Adjust the Service Brake Linkage The brake linkage is adjusted by means of the adjustment rod at the brake cable equalizer The adjustment rod should be adjusted so that all slack is taken out of the l...

Страница 50: ...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 front wheels to prevent vehicle movement 5...

Страница 51: ...Maintenance Service and Repair Brake Service Page 7 HARDWARE TORQUE If hardware is not listed here refer to standard torque values in the appendix Description Foot Pounds Newton Meters...

Страница 52: ...TAYLOR DUNN...

Страница 53: ...Replace Brake Band 4 Replace Brake Drum 4 Hardware Torque 7 Current Taylor Dunn brakes are asbestos free However there is the possibility that the original brakes were replaced with aftermarket parts...

Страница 54: ...ts as the service brake with the exception of the parking brake locking mechanism on the brake pedal Inspect the locking tab on the frame as well as the brake pedal cogs for any signs of excessive wea...

Страница 55: ...or property damage Before adjusting the brake confirm that the brake linkage is adjusted correctly 6 Loosen the brake adjusting bolt jam nut 7 Adjust the brake bolt as required so that the parking br...

Страница 56: ...n of leaks then the pinion seal should be replaced 9 Apply a very light coat of grease around the hub of the brake drum where it contacts the pinion seal 10 Install the brake drum 11 Using a new pinio...

Страница 57: ...intenance Service and Repair Brake Service Page 5 HARDWARE TORQUE If hardware is not listed here refer to standard torque values in the appendix Description Foot Pounds Newton Meters Pionion Nut 175 2...

Страница 58: ...CONTENTS Chapter Removal 2 Inspection 2 Field Armature Windings DC motors 2 Commutator 3 Brushes 3 Bearings 3 Thermal Sensor 3 Motor Service Limits and Specifications 4 Motor Service 7 Typical Motor...

Страница 59: ...of power Slow acceleration Slow speed Short battery life Excessive motor current Excessive speed shorted field only Note A short in the vehicle wiring or other components could be misinterpreted as a...

Страница 60: ...e top of the brush holder to gage the length of the brush If the top of the brush is even or below the top of the brush holder then the brush is getting close to the service limit and the brushes shou...

Страница 61: ...Number Undercut Depth Commutator Diameter min Brush Length min Wire Depth max mm inches mm inches mm inches mm inches L94 4006 0 635 0 025 96 8 3 810 19 05 0 75 A02 4011 1 0 04 69 9 2 75 16 0 62 ER5 4...

Страница 62: ...TAYLOR DUNN...

Страница 63: ...SS 536 SS 546 MX 600 Check Oil Level 2 Change Oil 2 Transaxle Assembly 3 Remove 3 Install 3 Axles 4 Remove 4 Install 4 Axle Bearings 4 Remove Install 4 Motor 5 Remove 5 Install 5 Differential Case 6 D...

Страница 64: ...erse switch in the center OFF position 3 Set the park brake 4 Place blocks under the front wheels to prevent vehicle movement 5 Disconnect the battery main positive and negative cables Transmission Co...

Страница 65: ...ks under the front wheels to prevent vehicle movement 5 Disconnect the battery connector from the vehicle Always use a lifting strap hoist and jack stands of adequate capacity to lift and support the...

Страница 66: ...the transmission for this procedure Refer to Remove and Install Axle for information regarding removing the rear axle Remove Install 1 Remove the hub from the axle shaft Refer to Rear Hub Brake Drum...

Страница 67: ...rease the transmission input shaft only see caution 5 Install the motor in reverse order Tighten the motor mounting bolts per torque listed in the Hardware Torque table at the end of this section Tigh...

Страница 68: ...Remove the differential case cover being careful not to bend or damage the case cover flange or the sealing surface of the differential case 6 Remove the differential bearing caps and remove the diffe...

Страница 69: ...ow clearance for an ID bearing puller Do not attempt to drive the shaft out of the opposite end of the transmission 13 Remove the intermediate bearing with an ID bearing puller 14 While supporting the...

Страница 70: ...te bore All contaminates must be removed 9 Apply Loctite RC 609 to both sides of the intermediate bore and install new bore plugs Drive the bore plugs until they are firmly seated against the snap rin...

Страница 71: ...DWARE TORQUE If hardware is not listed here refer to standard torque values in the appendix Description Foot Pounds Newton Meters Motor terminals 7 5 9 1 10 2 12 4 Motor Mounting Bolts 6 8 8 10 5 Fina...

Страница 72: ...TAYLOR DUNN...

Страница 73: ...ve Belts 2 Transaxle Assembly 3 Remove 3 Install 3 Axles 4 Remove and Install 4 Axle Bearings 4 Replace the Axle Bearing 4 Differential Assembly 3rd Member 5 Disassemble 5 Assemble 6 Re shimming the P...

Страница 74: ...6 Loosen the jam nut on the motor tensioner 7 Using a pull scale adjust the belts so that the belts deflect approximatly 1 4 inch at approximatly 10 pounds tension 8 Reconnect the main positive and n...

Страница 75: ...tall in reverse order of removal Use a new cotter pin for the brake cable Adjust the brake linkage and brake band Tighten the motor terminals per torque listed in the Hardware Torque table at the end...

Страница 76: ...ion regarding removing the axle NOTE A 10 ton press is required to replace the axle bearing NOTE The axle bearing will be damaged when it is removed 1 Place the axle in a press and remove the bearing...

Страница 77: ...he pinion housing and pinion gear from the 3rd member NOTE Do not lose the spacers and shims in the pinion housing or the pinion housing shim s 10 If required remove the rear tapered bearing from the...

Страница 78: ...the pinion housing onto the 3rd member 5 Install the pinion bearing spacers shims and front bearing 6 Install a spacer on the pinion shaft so that the pinion nut can be installed and tightened 7 While...

Страница 79: ...tated any time the nuts are being adjusted 18 Loosen the right side nut 19 Tighten the left nut until all backlash is removed from the ring and pinion gear 20 Tighten the right nut until a case spread...

Страница 80: ...0 001 Locate the number printed on the flat surface of the pilot bearing shaft of the pinion gear It should be a number ranging from 5 to 5 This is the amount in 0 001 increments to add to the standar...

Страница 81: ...Maintenance Service and Repair Transaxle SS 534 Page 9 EXPLODED VIEW...

Страница 82: ...f hardware is not listed here refer to standard torque values in the appendix Description Foot Pounds Newton Meters Motor Terminals 7 5 9 1 10 2 12 4 Ring Gear Bolts 65 80 93 114 Carrier Bearing Cap B...

Страница 83: ...TABLE OF CONTENTS Chapter Tire Inflation 2 Tire Inspection 2 Tire Wheel Assembly 3 Remove Install Rear 3 Remove Install Front 3 Hardware Torque 3 Tires and Wheels 9...

Страница 84: ...e tire approaches its wear limit see illustration below Replace the tire if any tread depth indicator can be seen or any part of the tread depth is 1 16 inch or less Refer to Replace the Tire section...

Страница 85: ...Front Refer to Front Axle Service for information on removing the front wheel 1 Make sure the start switch is in the OFF position then remove the key 2 Place the forward reverse switch in the center O...

Страница 86: ...TAYLOR DUNN...

Страница 87: ...tilation in rooms where batteries are being charged Failure to do so may result in severe bodily injury and or property damage A battery is a live electrical source It cannot be disconnected or neutra...

Страница 88: ...oves and safety glasses while servicing batteries DO NOT INGEST This may result in severe bodily injury Battery electrolyte will stain and corrode most surfaces Immediately and thoroughly clean any su...

Страница 89: ...charged cell should have a reading of 1275 to 1300 see the illustration to the right A discharged cell will read 1100 Ideally all cells in a battery will have the same reading Any cells in a battery t...

Страница 90: ...contact with skin eyes or clothing Wear rubber gloves and safety glasses while servicing batteries DO NOT INGEST This may result in severe bodily injury 1 Make sure the start switch is in the OFF pos...

Страница 91: ...ion are present Always provide ample ventilation in rooms where batteries are being charged Failure to do so may result in severe bodily injury and or property damage A battery is a live electrical so...

Страница 92: ...osive mixtures of Hydrogen gas are present within battery cells at all times Do not work with or charge battery in an area where open flames including gas furnace or water heater pilots sparks cigaret...

Страница 93: ...this section Do not allow the loose battery cables to contact any other parts of the vehicle as this could cause in a short circuit resulting severe bodily injury or damage to the vehicle Individual...

Страница 94: ...TAYLOR DUNN...

Страница 95: ...leshooting SYMPTOMS 2 READ THIS FIRST 3 Test Equipment Required 3 IMPORTANT NOTES and INSTRUCTIONS 3 Definitions 4 SYMPTOM TROUBLESHOOTING GUIDE 19 PMC CONTROL 20 PLUGGING DIODE 22 FREEWHEEL DIODE 23...

Страница 96: ...th 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 high armature current NOTE Field current...

Страница 97: ...o locate a problem if there are multiple component failures This troubleshooting guide assumes the batteries are good Charge and test the batteries before troubleshooting the control system DO NOT sta...

Страница 98: ...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 99: ...n 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 The rear dri...

Страница 100: ...els off the ground and support the vehicle with jack stands Failure to do so may cause the vehicle to move and cause severe bodily injury and or property damage Rotating rear drive wheels are a potent...

Страница 101: ...If the voltage is not between 6 0 and 6 5 volts then go to the Accelerator sequence Depress the pedal fully If the voltage is not between 11 0 and 11 5 volts then go to the Accelerator sequence Connec...

Страница 102: ...use serious bodily injury Power Wire Inputs Connect a voltmeter to the PMC B terminal and battery positive If the voltage is not the same as battery volts then there is an open circuit in the wire fro...

Страница 103: ...e battery volts Connect the test light across the motor A1 and A2 terminals Close all interlock switches turn the Key Switch ON and place the F R Switch in Forward Depress the accelerator fully If the...

Страница 104: ...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 105: ...configurations possible for special order interlocks they will not be included in this text Refer to the option list for your truck or contact your Taylor Dunn Representative for more information If...

Страница 106: ...rlock switches turn the Key Switch ON and place the F R Switch in Forward If the voltage is not at battery volts then the F R switch has failed Stop trouble shooting here and repair the problem When t...

Страница 107: ...from the rear drive wheels while conducting tests Failure to do so may cause serious bodily injury Connect a voltmeter across the Solenoid Negative Buss Bar and battery positive NOTE You may skip thi...

Страница 108: ...inal of the forward and reverse side of the F R switch and battery negative Close all interlock switches turn the Key Switch ON and place the F R Switch in reverse Depress the accelerator pedal fully...

Страница 109: ...e Reverse does not run in forward 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 110: ...the F R Switch in reverse Depress the accelerator pedal fully If the voltage is not at battery volts then go to the F R Switch sequence Set the test light voltage to the same voltage as the battery vo...

Страница 111: ...mes on then the Forward solenoid 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...

Страница 112: ...epress the accelerator pedal fully If the light comes on then the Forward solenoid has failed Stop trouble shooting here and repair the problem When the repair is completed completely retest the vehic...

Страница 113: ...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 114: ...tinue with the next test 1 Make sure the key 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 t...

Страница 115: ...etely retest the vehicle before lowering the 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 i...

Страница 116: ...rror during testing It is important to review the trouble shooting steps that have led to this point The tests may need to be repeated 1 Make sure the key switch is in the OFF position then remove the...

Страница 117: ...ve 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 1 Make sure the key switch is in the OFF position the...

Страница 118: ...e severe 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 t...

Страница 119: ...ng steps that have led to this point The tests may need to be repeated Connect the meter to each end of the resistor that was removed from the ISO solenoid and measure its resistance The meter reading...

Страница 120: ...r 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 wires from the S1 and S2 terminals on the motor Remove...

Страница 121: ...ected to the PMC A2 terminal 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 otherwise conti...

Страница 122: ...as a short then one of the following has occurred A The reverse 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 s...

Страница 123: ...armature circuit brushes are shorted 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 otherwi...

Страница 124: ...ure The insulation should be a light to medium reddish brown color If the insulation is dark brown to black or the insulation is cracked and peeling then the armature has been overheated and burnt The...

Страница 125: ...hooting 22 Important Notes and Instructions 22 Test charger operation 22 Charger does not turn on 22 Battery Charger SLA batteries must be charged with a charger configured for SLA batteries Use of an...

Страница 126: ...repair the problem If the DMM indicates an open circuit then the interlock relay is functioning normally 1 Make sure the start switch is in the OFF position then remove the key 2 Place the forward re...

Страница 127: ...in good working condition Make sure that the AC voltage at the electrical outlet is the same as the AC voltage on the charger nameplate Make sure the batteries are in good condition and no less than...

Страница 128: ...es not check the current 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 approxim...

Страница 129: ...quired Check the continuity of both fuse links and replace if faulty Disconnect one transformer lead from the capacitor Test the capacitor using the capacitor test function of the meter It is a 6 micr...

Страница 130: ...If either one of the diodes are bad replace the diode assembly Stop here and repair the problem 3 Reconnect the lead to the diode 4 Connect the charger to the AC source Insert the DC charger plug into...

Страница 131: ...matic microprocessor controlled SCR switching charger The charger turns itself on when it is plugged into the AC electrical outlet and turns off when the batteries are fully charged Once the charging...

Страница 132: ...4 LED 2 Fault O O OK B B Battery voltage out of range or battery capacity is too high S O Control Board faulty B S Current Sensor faulty S B AC voltage incorrect S S DC current out of range B O Inter...

Страница 133: ...t is registered 5 The battery voltage will rise until the Knee 1 Plateau voltage is achieved see table then switch to the next stage The following stages will depend on the type of charging profile se...

Страница 134: ...meg Ohms 4 If the reading is low then the gate is shorted If the gate has shorted on either SCR then it is likely that the control board has been damaged and must also be replaced Note Both SCR s mus...

Страница 135: ...n electrically grounded Disconnect both of the battery leads and unplug the charger from the AC source before disconnecting any electrical component or wire Failure to do so may result in serious bodi...

Страница 136: ...connect the charger from the AC power source and test DC voltage across Relay Board terminals J3 and J4 This should be the same as battery volts If this voltage is low then check wiring to the batteri...

Страница 137: ...d with a charger configured for SLA batteries Use of any other charger will result in damage to the batteries and premature failure of the batteries Disconnect the charger from the AC power source bef...

Страница 138: ...with a charger configured for SLA batteries Use of any other charger will result in damage to the batteries and premature failure of the batteries Definitions Volts Per Cell Voltage for each cell in...

Страница 139: ...eases 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 the charger face pla...

Страница 140: ...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 still show symptoms of overchargin...

Страница 141: ...ltage 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 charger cooling fin...

Страница 142: ...f until the batteries are fully charged The batteries are fully charged when the charging current is down to A1 6 If the charger does not turn on there are no faults and the POWER light is ON then the...

Страница 143: ...minal voltage until the charging cycle is complete The charger faceplate has three status LED s that monitor the charging status Refer to the chart and illustration below for the function of these LED...

Страница 144: ...urrent during the charging cycle as indicated below Using a digit digital voltmeter and clamp on DC ammeter monitor the battery voltage and current during the charging cycle The charging current shoul...

Страница 145: ...roper connection to the batteries 2 AC line voltate too high or too low Check the input voltage It must be within 96 132VAC or 196 266VAC 3 Charger overheated Wait for charger to cool the charger will...

Страница 146: ...charger will switch to the constant voltage mode At this point the charging current will be reduced and will taper off until the batteries are fully charged 1 Make sure the start switch is in the OFF...

Страница 147: ...andard AC power wiring then refer repair to a qualified licenced electrician Depending on the charging system two different color codes are used for the AC power source United States Standard 120 Volt...

Страница 148: ...TAYLOR DUNN...

Страница 149: ...Axle SS 534 16 Brakes Rear Axle SS 536 SS 546 MX 600 16 Charger Lestronic and Signet 18 Charger Lester X Series 20 Control System Motor Speed Control 21 Control System Instrument Panel 22 Decals 23 E...

Страница 150: ...of the vehicle is identified with the parts that are specific to that model If a model identification is not specified in the diagram heading or within the parts table then the part can is used in al...

Страница 151: ...Part No Description Qty 1 88 229 81 3 4 NC Locknut 2 2 88 228 61 3 4 NC Washer 2 3 16 206 00 Spacer 2 4 15 010 00 Front Axle Threaded each end 1 15 010 10 Front Axle Single Ended 1 5 45 308 00 Oil Se...

Страница 152: ...Illustrated Parts Parts Page 4 Axle Assembly and Steering Front SS 546 1 2 5 6 7 8 3 4 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27...

Страница 153: ...Bearing 1 10 45 338 00 Seal 2 11 00 546 06 Left steering yoke 1 00 546 07 Right steering yoke 1 12 88 109 81 3 8NC Lock nut 4 13 97 202 50 3 8NF nut left thread 2 88 199 80 3 8NF Hex nut 2 14 86 519 1...

Страница 154: ...S 534 Axle Assembly Belt Drive SS 534 Item No Part No Description Qty 30 114 00 Motor pulley 2 25 dia 30 115 00 Motor pulley 2 75 dia 30 116 00 Drive pulley 8 dia 30 117 00 Drive pulley 11 dia 30 601...

Страница 155: ...t 2 69 2 75 1 7 41 997 00 Oil Plug 3 8 41 296 00 Rear End Housing 1 9 80 554 00 Pinion Bearing 2 10 41 711 00 Pinion Housing Shim 1 11 80 702 00 O Ring 1 12 44 340 90 Pinion Housing Shim 1 13 16 419 0...

Страница 156: ...Illustrated Parts Parts Page 8 Axle Assembly Rear Axles SS 534 1 2 3 4 5 6 8 11 12 10 9 13 7 Axle Assembly Rear Axles SS 536 SS 546 MX 600...

Страница 157: ...4 1 1 2 6 9 4 4 1 1 2 6 9 5...

Страница 158: ...Illustrated Parts Parts Page 10 Axle Assembly Transaxle SS 536 SS 546 MX 600...

Страница 159: ......

Страница 160: ...Parts Parts Page 12 Batteries Main Positive 12v Negative Tap Main Negative MX 600 NEG POS NEG POS NEG POS NEG POS Main Positive Main Negative 12v negative tap SS 534 SS 536 SS 546 NEG POS NEG POS NEG...

Страница 161: ...042 50 Battery 217AH TD 217 77 044 00 Battery 230AH T 125 77 047 00 Battery 244AH T 145 77 047 80 Battery 244AH Moist Charge 77 047 50 Battery 250AH TD 250 77 048 00 Battery 250AH J 250 77 048 80 Bat...

Страница 162: ......

Страница 163: ......

Страница 164: ...Illustrated Parts Parts Page 16 Brakes Rear Axle SS 534 Brakes Rear Axle SS 536 SS 546 MX 600...

Страница 165: ...4 3 8 Extension Spring 1 8 50 661 00 Brake Lever Bar 1 9 41 532 00 Brake Drum 1 10 88 517 11 3 32 X 1 Cotter Pin 2 11 88 089 81 5 16 NC Locknut 4 12 50 662 00 Brake Lever 1 13 88 080 11 5 16 NC X 1 He...

Страница 166: ...Battery 24 volt HBS Gel Battery Not available at time of printing NOTE There are no user serviceable components inside the charger NOTE The charger AC cord is an intergral part of the charger When re...

Страница 167: ...e 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 79 300 55E 24LC25 8ET 230 50 4 24 25 Built In 79 805 70 79 808 10 79 902 00 79 749 13 79 6...

Страница 168: ...ntrol board assembly 79 749 14 SCR assembly 79 840 02 Circuit breaker 79 848 01 Ammeter 79 810 01 Switch kit start stop low voltage self diagnostic 79 575 41 AC cord includes bushing 79 566 21 DC cord...

Страница 169: ...7 5 1 4 8 4 1...

Страница 170: ...7 5 1 4 8 4 2...

Страница 171: ...4 333 00 FM 1 5 94 301 43 Arna and Legs 3 wheel 1 94 301 42 Arms and Legs 4 wheel 1 6 94 384 01 Not a Motor Vehicle 1 7 94 384 14 When Leaving Vehicle 1 8 94 386 03 Console MX 600 only 1 9 94 319 00 B...

Страница 172: ...00 Seat Back SS 534 optional 1 90 144 00 Seat Back MX 600 1 93 005 00 Seat Cushion SS 536 SS 546 1 90 166 00 Seat Cushion SS 534 1 96 006 00 Seat Cushion MX 600 1 90 109 50 Seat Frame Back Fold down S...

Страница 173: ...32 Double Sided Tape 3 ft 4 88 140 11 1 2 NC X 1 Hex Head Bolt 4 5 88 148 61 1 2 SAE Washer 8 6 88 159 84 1 2 NC Locknut 4 Not Shown 91 340 21 Tool Box Lock 1 91 340 26 Keys for Toolbox Locks 1 00 30...

Страница 174: ...Illustrated Parts Parts Page 26 Lights Headlights 1 3 Steering box ref 5 6 Geared Steering Option 1 5 16 NUT WASHER COME W HEADLIGHT 4 MX 6 00 only Standard Lights Taillights Strobelight...

Страница 175: ...al Raubber Grommet 2 3 72 022 52 Pig Tail For Both Stop Tail Lights 2 4 72 023 20 Strobe Light 12 48 Vdc Amber 1 5 72 023 32 Pole for Strobe Light MX 600 Only 1 6 88 025 06 8 32 X 1 2 Truss Head Machi...

Страница 176: ...ssembly 1 2 Armature 1 3 70 180 00 Brush holder 1 4 80 412 20 Brush spring 4 5 70 109 00 Brush pair 2 6 70 417 00 Bearing retainer 1 7 80 212 00 Bearing rear 1 80 212 00 Bearing front SS 534 1 8 End c...

Страница 177: ...unt 1 2 88 100 11 Bolt 4 3 See belt drive Pulley 1 4 30 117 00 Nut 1 5 70 422 00 Strap motor mount 2 6 88 109 87 Nut 4 7 97 100 00 Woodruf key 1 Motor Mount SS 536 SS 546 MX 600 Item No Part No Descri...

Страница 178: ...4 1 2 X 1 1 2 NC Bolt 1 3 97 230 00 1 1 4 NF X 9 16 Locknut 1 4 16 409 00 Spacer 1 5 80 102 00 Bearing Race 2 6 14 079 20 Front Fork with Springs Model SS 1 14 079 45 Front Fork with Springs Model MX...

Страница 179: ...1 2 Long Bronze Bushing 1 8 97 100 00 3 16 Woodruff Key 1 9 20 031 00 Steering Shaft with Gear 1 10 31 253 00 36 Tooth Spur Gear 750 bore 1 11 80 706 00 3 4 OD O Ring 1 12 31 255 00 7 Tooth Stem Pinio...

Страница 180: ...Illustrated Parts Parts Page 32 Steering Linkage Geared SS 536 SS 546 MX 600...

Страница 181: ...eve Weldment 1 7 20 031 20 Steering Shaft and Gear 1 8 31 255 10 Stem and Gear Weldment 1 9 32 207 00 3 8 ID X 5 8 OD Bronze Bushing 1 10 45 003 10 Mounting Plate Gasket 1 11 31 254 00 36 Tooth Spear...

Страница 182: ...01 00 Rubber Grommet 1 2 ID 4 2 88 149 81 1 2 Locknut 2 3 88 100 15 1 2 X 1 3 4 Bolt 4 4 88 108 62 3 8 Lockwasher 4 5 85 141 00 Spring Clip 4 6 88 100 11 3 8 NC X 1 Bolt 4 7 00 536 01 Drive Frame 1 8...

Страница 183: ...1 2 3 4 5 6 6 7 8 9 9 10 See Differential Case Frame Item No Part No Description Qty 1 88 189 81 Nut 2 2 88 188 61 Washer 1 3 86 602 00 Shock 1 4 88 180 18 Bolt 5 8 1 5 88 180 18 Bolt 5 8 1 6 88 188...

Страница 184: ...lled 13 734 26 Tire Wheel assembly Foam Filled 13 734 40 Tire Wheel assembly Man Toter Rib 13 734 45 Tire Wheel assembly Man Toter Lug 13 734 50 Tire Wheel assembly Man Toter 13 734 41 Tire Wheel asse...

Страница 185: ...for Standard Hardware 4 Hardware Identification 4 Standard Head Markings 4 Hex Bolts 4 Other Bolts 4 Hex Nuts 4 Hex Lock Nuts stover 4 Other Nuts 4 Suggested Torque Values non critical hardware 6 Sug...

Страница 186: ...43 201 50 Pinion Seal Installation Tool Used to install the pinion seal on all vehicles equipped with the Power Traction primary reduction and a pinion brake or speed sensor 41 532 50 Chain Case Cente...

Страница 187: ...3 Disc Brake Boot Installation Tool Assists in installing the rubber boot onto the disc brake piston 75 442 55 Pin Removing Tool Removes pins from Molex Mini Fit harness connectors 96 500 40 Fork Coll...

Страница 188: ...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 2 torque value NOTE Toque values specified are for clean dry threads Hex...

Страница 189: ...ed as S 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 mar...

Страница 190: ...plated threads in noncritical steel assemblies of the same hardess specification Reduce torque approximately 10 15 for lubricated threads Refer to the service section assembly procedure for critical...

Страница 191: ...00 398 30 2 00 3 50 540 Metric Foot Pounds Grade N m Dia Pitch 4 6 8 8 10 9 12 9 3 0 50 0 38 4 0 70 0 7 2 3 5 0 80 1 7 4 5 6 1 00 2 9 7 7 11 4 8 1 00 19 9 1 25 7 18 4 27 3 10 1 00 42 1 25 40 1 50 14...

Страница 192: ...um 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 the brake pads shoes as this will cause u...

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Содержание MX-026-00

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Taylor-Dunn MX-026-00, Руководство по эксплуатации, обслуживанию и замене запасных частей, Страница: 124 / 192

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Содержание MX-026-00

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