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KOMATSU D475A-3 SERVICE REPAIR MANUAL (SEBM017209) – PDF Download
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- KOMATSU D475A-3 SERVICE REPAIR MANUAL
- PUBLICATION NUMBER:SEBM017209
- SERIAL No: D475A-3 10601 and up
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Description
KOMATSU D475A-3 SERVICE REPAIR MANUAL (SEBM017209)
KOMATSU D475A-3 SERVICE REPAIR MANUAL (SEBM017209) – PDF DOWNLOAD:
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DESCRIPTION:
KOMATSU D475A-3 SERVICE REPAIR MANUAL (SEBM017209)
- This shop manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
- This shop manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following chapters; these chapters are further divided into the each main group of components.
- STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting. In addition, this section may contain hydraulic circuit diagrams, electric circuit diagrams, and maintenance standards. - TESTING AND ADJUSTING
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating “Problems” with “Causes” are also included in this section. - DISASSEMBLY AND ASSEMBLY
This section explains the procedures for removing, installing, disassembling and assembling each component, as well as precautions for them. - MAINTENANCE STANDARD
This section gives the judgment standards for inspection of disassembled parts. The contents of this section may be described in STRUCTURE AND FUNCTION. - OTHERS
This section mainly gives hydraulic circuit diagrams and electric circuit diagrams. In addition, this section may give the specifications of attachments and options together.
TABLE OF CONTENTS:
KOMATSU D475A-3 SERVICE REPAIR MANUAL (SEBM017209)
COVER..................................................................................................................................................................................... 1 CONTENTS.................................................................................................................................................................................. 2 01 GENERAL................................................................................................................................................................................ 29 SPECIFICATION DIMENSION DRAWINGS...................................................................................................................................................... 30 SPECIFICATIONS........................................................................................................................................................................ 32 WEIGHT TABLE.......................................................................................................................................................................... 41 TABLE OF FUEL, COOLANT AND LUBRICANTS................................................................................................................................................. 45 10 STRUCTURE AND FUNCTION................................................................................................................................................................. 48 ENGINE, POWER TRAIN COOLING SYSTEM DRAWING............................................................................................................................................ 49 POWER TRAIN........................................................................................................................................................................... 50 POWER TRAIN SKELETON.................................................................................................................................................................. 51 POWER TRAIN HYDRAULIC PIPING DIAGRAM.................................................................................................................................................. 52 POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM................................................................................................................................................. 53 TORQUE CONVERTER AND PTO.............................................................................................................................................................. 55 TORQUE CONVERTER VALVE................................................................................................................................................................ 61 TRANSMISSION.......................................................................................................................................................................... 69 TRANSMISSION CONTROL VALVE............................................................................................................................................................ 76 STEERING, BRAKE CONTROL............................................................................................................................................................... 91 TRANSFER, BEVEL GEAR SHAFT, STEERING.................................................................................................................................................. 95 TRANSFER, BEVEL PINION................................................................................................................................................................ 96 STEERING CONTROL VALVE................................................................................................................................................................ 99 FINAL DRIVE...........................................................................................................................................................................107 TRACK FRAME...........................................................................................................................................................................111 TRACK ROLLER BOGIE....................................................................................................................................................................115 PPC VALVE.............................................................................................................................................................................117 MAIN CONTROL VALVE....................................................................................................................................................................128 PIN-PULLER HYDRAULIC SYSTEM DRAWING...................................................................................................................................................136 PIN-PULLER HYDRAULIC CIRCUIT DRAWING..................................................................................................................................................136 PIN-PULLER SOLENOID VALVE.............................................................................................................................................................137 AIR CONDITIONER.......................................................................................................................................................................139 ENGINE CONTROL........................................................................................................................................................................140 ENGINE CONTROL SYSTEM.................................................................................................................................................................141 ENGINE CONTROL SYSTEM WITH ELECTRONIC ENGINE THROTTLE CONTROLLER......................................................................................................................144 MACHINE MONITOR SYSTEM................................................................................................................................................................146 MODE SELECTION SYSTEM.................................................................................................................................................................155 ELECTRICAL EQUIPMENT..................................................................................................................................................................161 TORQUE CONVERTER LOCK-UP CONTROL SYSTEM...............................................................................................................................................165 20 TESTING AND ADJUSTING..................................................................................................................................................................166 STANDARD VALUE TABLE FOR ENGINE RELATED PARTS.........................................................................................................................................167 STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS........................................................................................................................................168 STANDARD VALUE TABLE FOR ELECTRICAL RELATED PARTS.....................................................................................................................................175 TESTING AND ADJUSTING.................................................................................................................................................................194 TABLE OF TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING........................................................................................................................195 MEASURING ENGINE SPEED............................................................................................................................................................196 MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)....................................................................................................................................198 MEASURING EXHAUST TEMPERATURE.....................................................................................................................................................199 MEASURING EXHAUST COLOR...........................................................................................................................................................200 ADJUSTING VALVE CLEARANCE.........................................................................................................................................................201 MEASURING COMPRESSION PRESSURE....................................................................................................................................................202 MEASURING BLOW-BY PRESSURE........................................................................................................................................................203 MEASURING ENGINE OIL PRESSURE.....................................................................................................................................................204 TESTING AND ADJUSTING FUEL INJECTION TIMING ......................................................................................................................................205 TESTING AND ADJUSTING ALTERNATOR BELT TENSION.....................................................................................................................................206 TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR.................................................................................................................206 ADJUSTING ENGINE SPEED SENSOR.....................................................................................................................................................207 ADJUSTING FUEL CONTROL DIAL AND DECELERATOR PEDAL.................................................................................................................................208 MEASURING TORQUE CONVERTER STALL SPEED............................................................................................................................................210 MEASURING TORQUE CONVERTER STALL + HYDRAULIC PUMP RELIEF (FULL STALL) SPEED.......................................................................................................211 MEASURING POWER TRAIN OIL PRESSURE................................................................................................................................................212 SIMPLE PROCEDURE FOR TESTING BRAKE PERFORMANCE....................................................................................................................................217 ADJUSTING FULL MONOLEVER AND PARKING LEVER........................................................................................................................................218 ADJUSTING BRAKE PEDAL LINKAGE.....................................................................................................................................................222 ADJUSTING CLEARANCE OF IDLER......................................................................................................................................................224 TESTING AND ADJUSTING TRACK SHOE TENSION..........................................................................................................................................225 MEASURING AND ADJUSTING WORK EQUIPMENT OIL PRESSURE...............................................................................................................................226 TESTING AND ADJUSTING WORK EQUIPMENT CONTROL CIRCUIT PRESSURE.....................................................................................................................232 MEASURING PPC VALVE AND PITCH, TILT CONTROL VALVE OUTPUT PRESSURE.................................................................................................................234 ADJUSTING PPC VALVE...............................................................................................................................................................238 MEASURING OUTPUT PRESSURE OF DEMAND SOLENOID VALVE................................................................................................................................239 MEASURING OUTPUT PRESSURE OF RIPPER PIN-PULLER SOLENOID VALVE.....................................................................................................................240 CHECKING LOCATION OF CAUSE OF HYDRAULIC DRIFT OF BLADE AND RIPPER.................................................................................................................241 MEASURING LEAKAGE INSIDE HYDRAULIC CYLINDER.......................................................................................................................................242 RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT.................................................................................................................................243 BLEEDING AIR FROM HYDRAULIC CYLINDERS.............................................................................................................................................243 ADJUSTING WORK EQUIPMENT SAFETY LEVER.............................................................................................................................................244 PROCEDURE FOR SELECTING MODEL.....................................................................................................................................................245 PROCEDURE FOR ADJUSTING BLADE TILT LIMIT ANGLE (DUAL TILT DOZER SPECIFICATION)....................................................................................................248 PROCEDURE FOR ADJUSTING BLADE TILT LIMIT ANGLE (SUPER DOZER SPECIFICATION)........................................................................................................250 TROUBLESHOOTING.......................................................................................................................................................................252 POINTS TO REMEMBER WHEN TROUBLESHOOTING ..........................................................................................................................................253 SEQUENCE OF EVENTS IN TROUBLESHOOTING.............................................................................................................................................254 POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE..................................................................................................................................255 CHECKS BEFORE TROUBLESHOOTING.....................................................................................................................................................263 CONNECTION TYPES AND MOUNTING LOCATIONS...........................................................................................................................................264 CONNECTION TABLE FOR CONNECTOR PIN NUMBERS........................................................................................................................................272 T-BRANCH BOX AND T-BRANCH TABLE...................................................................................................................................................294 EXPLANATION OF FUNCTIONS OF CONTROL MECHANISM OF ELECTRICAL SYSTEM................................................................................................................296 DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL.............................................................................................................................300 METHOD OF USING TROUBLESHOOTING CHARTS............................................................................................................................................313 TROUBLESHOOTING OF NETWORK SYSTEM (N MODE)........................................................................................................................................315 ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE....................................................................................................316 ELECTRICAL CIRCUIT DIAGRAM OF N MODE SYSTEM...................................................................................................................................318 SERVICE CODES OF NETWORK SYSTEM...............................................................................................................................................319 N-1 [E0101] ABNORMALITY IN NETWORK SYSTEM (ENGINE CONTROLLER SYSTEM) IS DISPLAYED.............................................................................................320 N-2 [E0104] ABNORMALITY IN NETWORK SYSTEM (MONITOR PANEL SYSTEM) IS DISPLAYED.................................................................................................321 N-3 [E0105] ABNORMALITY IN NETWORK SYSTEM (MACHINE CONTROLLER SYSTEM) IS DISPLAYED............................................................................................322 N-4 [E0101], [E0104], AND [E0105] ARE DISPLAYED AT SAME TIME (ABNORMALITY IN NETWORK SYSTEM IS DISPLAYED).....................................................................323 N-5 [E0152] ABNORMALITY IN NETWORK SYSTEM IS DISPLAYED........................................................................................................................324 N-5 [E0436] ABNORMALITY IN NETWORK SYSTEM IS DISPLAYED........................................................................................................................324 TROUBLESHOOTING OF ENGINE CONTROLLER SYSTEM (E MODE)..............................................................................................................................325 ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE....................................................................................................326 ELECTRICAL CIRCUIT DIAGRAM OF E MODE SYSTEM...................................................................................................................................332 E-1 [E0401] ABNORMALITY IN ENGINE CONTROLLER POWER SOURCE VOLTAGE IS DISPLAYED................................................................................................334 E-2 [E0402] ABNORMALITY IN ENGINE CONTROLLER IS DISPLAYED.....................................................................................................................334 E-3 [E0403] MISTAKEN CONNECTION IN ENGINE CONTROLLER IS DISPLAYED.............................................................................................................335 E-4 [E0405] ABNORMALITY IN FUEL CONTROL DIAL SYSTEM IS DISPLAYED..............................................................................................................336 E-5 [E0406] ABNORMALITY IN DECELERATION POTENTIOMETER IS DISPLAYED............................................................................................................337 E-6 [E0407] ABNORMALITY IN SHOE SLIP CONTROL COMMAND VALUE IS DISPLAYED.......................................................................................................338 E-7 [E0409] ABNORMALITY IN ENGINE SPEED SENSOR A SYSTEM IS DISPLAYED..........................................................................................................339 E-8 [E0410] ABNORMALITY IN ENGINE SPEED SENSOR B SYSTEM IS DISPLAYED..........................................................................................................340 E-9 [E0411] ABNORMALITY IN RIGHT RACK SENSOR SYSTEM IS DISPLAYED..............................................................................................................341 E-10 [E0412] ABNORMALITY IN LEFT RACK SENSOR SYSTEM IS DISPLAYED..............................................................................................................342 E-11 [E0413] ABNORMALITY IN RACK SENSOR POWER SOURCE SYSTEM IS DISPLAYED......................................................................................................343 E-12 [E0421] SHORT CIRCUIT IN RIGHT GOVERNOR SOLENOID SYSTEM IS DISPLAYED.....................................................................................................344 E-13 [E0422] DISCONNECTION IN RIGHT GOVERNOR SOLENOID SYSTEM IS DISPLAYED.....................................................................................................345 E-14 [E0423] SHORT CIRCUIT IN LEFT GOVERNOR SOLENOID SYSTEM IS DISPLAYED......................................................................................................347 E-15 [E0424] DISCONNECTION IN LEFT GOVERNOR SOLENOID SYSTEM IS DISPLAYED......................................................................................................348 E-16 [E0425] SHORT CIRCUIT IN RIGHT GOVERNOR CUT RELAY SYSTEM IS DISPLAYED....................................................................................................350 E-17 [E0426] DISCONNECTION IN LEFT GOVERNOR CUT RELAY SYSTEM IS DISPLAYED.....................................................................................................351 E-18 [E0427] SHORT CIRCUIT IN LEFT GOVERNOR CUT RELAY SYSTEM IS DISPLAYED.....................................................................................................352 E-19 [E0428] DISCONNECTION IN LEFT GOVERNOR CUT RELAY SYSTEM IS DISPLAYED.....................................................................................................353 E-20 [E0433] SHORT CIRCUIT IN LEFT PRE-STROKE SOLENOID SYSTEM IS DISPLAYED....................................................................................................354 E-21 [E0434] DISCONNECTION IN LEFT PRE-STROKE SOLENOID SYSTEM IS DISPLAYED....................................................................................................355 E-22 [E0435] ABNORMALITY IN ENGINE WATER TEMPERATURE SENSOR SYSTEM IS DISPLAYED...............................................................................................356 E-23 [E0437] ABNORMALITY IN RIGHT GOVERNOR SERVO IS DISPLAYED.................................................................................................................357 E-24 [E0438] ABNORMALITY IN LEFT GOVERNOR SERVO IS DISPLAYED..................................................................................................................358 E-25 [E0440] DISCONNECTION SOLENOID POWER SOURCE 1 SYSTEM IS DISPLAYED........................................................................................................359 E-26 [E0441] DISCONNECTION IN POWER SUPPLY SYSTEM 2 OF SOLENOID IS DISPLAYED..................................................................................................359 E-27 [E0442] ABNORMALITY IN ENGINE CONTROLLER BACKUP POWER SOURCE SYSTEM IS DISPLAYED.........................................................................................360 E-28 [E0443] ABNORMALITY IN ENGINE CONTROLLER SWITCH POWER SOURCE SYSTEM IS DISPLAYED.........................................................................................361 E-29 [E0455] ENGINE OVERHEATING IS DISPLAYED..................................................................................................................................362 E-30 [E0456] SHORT CIRCUIT IN RIGHT PRE-STROKE SOLENOID SYSTEM IS DISPLAYED...................................................................................................363 E-31 [E0457] DISCONNECTION IN RIGHT PRE-STROKE SOLENOID SYSTEM IS DISPLAYED...................................................................................................364 E-32 ENGINE DOES NOT REVOLVE WHEN STARTING SWITCH IS TURNED TO ON POSITION....................................................................................................365 E-33 ENGINE DOES NOT STOP WHEN STARTING SWITCH IS TURNED TO OFF POSITION......................................................................................................368 TROUBLESHOOTING OF MACHINE CONTROLLER SYSTEM (C MODE).............................................................................................................................369 ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE....................................................................................................371 ELECTRICAL CIRCUIT DIAGRAM OF C MODE SYSTEM...................................................................................................................................383 C-1 [E0111] ABNORMALITY IN MACHINE CONTROLLER POWER SOURCE VOLTAGE IS DISPLAYED...............................................................................................389 C-2 [E0150] ABNORMALITY IN MACHINE CONTROLLER E2ROM IS DISPLAYED..............................................................................................................390 C-3 [E0151] ABNORMALITY IN SPECIFICATION SELECTION IS DISPLAYED...............................................................................................................390 C-4 [E0201] DISCONNECTION IN TORQUE CONVERTER SPEED SENSOR SYSTEM IS DISPLAYED................................................................................................391 C-5 [E0202] SHORT CIRCUIT IN TORQUE CONVERTER SPEED SENSOR SYSTEM IS DISPLAYED................................................................................................392 C-6 [E0203] DISCONNECTION IN TRANSMISSION FORWARD CLUTCH OIL PRESSURE SWITCH SYSTEM & REVERSE OIL PRESSURE SWITCH SYSTEM IS DISPLAYED.........................................393 C-7 [E0204] SHORT CIRCUIT IN TRANSMISSION FORWARD CLUTCH OIL PRESSURE SWITCH SYSTEM IS DISPLAYED..............................................................................394 C-8 [E0205] SHORT CIRCUIT IN TRANSMISSION REVERSE CLUTCH OIL PRESSURE SWITCH SYSTEM IS DISPLAYED..............................................................................395 C-9 [E0206] DISCONNECTION IN TRANSMISSION 1ST CLUTCH OIL PRESSURE SWITCH & 2ND OIL PRESSURE SWITCH & 3RD OIL PRESSURE SWITCH SYSTEM IS DISPLAYED..............................396 C-10 [E0207] SHORT CIRCUIT IN TRANSMISSION 1ST OIL CLUTCH PRESSURE SWITCH SYSTEM IS DISPLAYED.................................................................................398 C-11 [E0208] SHORT CIRCUIT IN TRANSMISSION 2ND CLUTCH OIL PRESSURE SWITCH SYSTEM IS DISPLAYED.................................................................................399 C-12 [E0209] SHORT CIRCUIT IN TRANSMISSION 3RD CLUTCH OIL PRESSURE SWITCH SYSTEM IS DISPLAYED.................................................................................400 C-13 [E0210] DISCONNECTION IN TRANSMISSION MODULATING OIL PRESSURE SENSOR SYSTEM IS DISPLAYED.................................................................................401 C-14 [E0212] SHORT CIRCUIT IN TORQUE CONVERTER LOCK-UP SOLENOID SYSTEM IS DISPLAYED...........................................................................................402 C-15 [E0213] DISCONNECTION IN TORQUE CONVERTER LOCK-UP SOLENOID SYSTEM IS DISPLAYED...........................................................................................403 C-16 [E0220] SHORT CIRCUIT IN TRANSMISSION MODULATING OIL PRESSURE SENSOR SYSTEM IS DISPLAYED.................................................................................404 C-17 [E0301] SHORT CIRCUIT IN LEFT BLADE TILT ANGLE SENSOR SYSTEM IS DISPLAYED................................................................................................405 C-18 [E0302] DISCONNECTION IN LEFT BLADE TILT ANGLE SENSOR SYSTEM IS DISPLAYED................................................................................................406 C-19 [E0303] SHORT CIRCUIT IN RIGHT BLADE TILT ANGLE SENSOR SYSTEM IS DISPLAYED...............................................................................................407 C-20 [E0304] DISCONNECTION IN RIGHT BLADE TILT ANGLE SENSOR SYSTEM IS DISPLAYED...............................................................................................408 C-21 [E0305] SHORT CIRCUIT IN BLADE RAISE OIL PRESSURE SWITCH SYSTEM IS DISPLAYED.............................................................................................409 C-22 [E0306] SHORT CIRCUIT IN BLADE RIGHT TILT OIL PRESSURE SWITCH SYSTEM IS DISPLAYED........................................................................................410 C-23 [E0307] SHORT CIRCUIT IN BLADE LEFT TILT OIL PRESSURE SWITCH SYSTEM IS DISPLAYED.........................................................................................411 C-24 [E0308] SHORT CIRCUIT IN RIPPER RAISE OIL PRESSURE SWITCH SYSTEM IS DISPLAYED............................................................................................412 C-25 [E0309] SHORT CIRCUIT IN RIPPER LOWER OIL PRESSURE SWITCH SYSTEM IS DISPLAYED............................................................................................413 C-26 [E0310] SHORT CIRCUIT IN RIPPER TILT IN OIL PRESSURE SWITCH SYSTEM IS DISPLAYED..........................................................................................414 C-27 [E0311] SHORT CIRCUIT IN BLADE LEVER FRONT BUTTON SWITCH SYSTEM IS DISPLAYED.............................................................................................415 C-28 [E0312] SHORT CIRCUIT IN BLADE LEVER UPPER BUTTON SWITCH SYSTEM IS DISPLAYED.............................................................................................416 C-29 [E0313] SHORT CIRCUIT IN PITCH BACK SOLENOID SYSTEM IS DISPLAYED.........................................................................................................417 C-30 [E0314] DISCONNECTION IN PITCH BACK SOLENOID SYSTEM IS DISPLAYED.........................................................................................................418 C-31 [E0315] SHORT CIRCUIT IN PITCH DUMP SOLENOID SYSTEM IS DISPLAYED.........................................................................................................419 C-32 [E0316] DISCONNECTION IN PITCH DUMP SOLENOID SYSTEM IS DISPLAYED.........................................................................................................420 C-33 [E0317] SHORT CIRCUIT IN LEFT TILT LIMIT SOLENOID SYSTEM IS DISPLAYED....................................................................................................421 C-34 [E0318] DISCONNECTION IN LEFT TILT LIMIT SOLENOID SYSTEM IS DISPLAYED....................................................................................................422 C-35 [E0319] SHORT CIRCUIT IN RIGHT TILT LIMIT SOLENOID SYSTEM IS DISPLAYED...................................................................................................423 C-36 [E0320] DISCONNECTION IN RIGHT TILT LIMIT SOLENOID SYSTEM IS DISPLAYED...................................................................................................424 C-37 [E0321] SHORT CIRCUIT IN DUAL TILT SELECTION SOLENOID SYSTEM IS DISPLAYED................................................................................................425 C-38 [E0322] DISCONNECTION IN DUAL TILT SELECTION SOLENOID SYSTEM IS DISPLAYED................................................................................................426 C-39 [E0323] SHORT CIRCUIT IN PITCH SELECTION SOLENOID SYSTEM IS DISPLAYED....................................................................................................427 C-40 [E0324] DISCONNECTION IN PITCH SELECTION SOLENOID SYSTEM IS DISPLAYED....................................................................................................428 C-41 [E0325] SHORT CIRCUIT IN PITCH BACK ASSIST SOLENOID SYSTEM IS DISPLAYED..................................................................................................429 C-42 [E0326] DISCONNECTION IN PITCH BACK ASSIST SOLENOID SYSTEM IS DISPLAYED..................................................................................................430 C-43 [E0327] SHORT CIRCUIT IN PITCH DUMP ASSIST SOLENOID SYSTEM IS DISPLAYED..................................................................................................431 C-44 [E0328] DISCONNECTION IN PITCH DUMP ASSIST SOLENOID SYSTEM IS DISPLAYED..................................................................................................432 C-45 [E0330] SHORT CIRCUIT IN BLADE LOWER OIL PRESSURE SWITCH SYSTEM IS DISPLAYED.............................................................................................433 C-46 [E0332] SHORT CIRCUIT IN UNLOAD VALVE SOLENOID SYSTEM IS DISPLAYED.......................................................................................................434 C-47 [E0333] DISCONNECTION IN UNLOAD VALVE SOLENOID SYSTEM IS DISPLAYED.......................................................................................................435 C-48 [E0334] SHORT CIRCUIT IN DEMAND VALVE SOLENOID SYSTEM IS DISPLAYED.......................................................................................................436 C-49 [E0335] DISCONNECTION IN DEMAND VALVE SOLENOID SYSTEM IS DISPLAYED.......................................................................................................437 C-50 [E0336] SHORT CIRCUIT IN RIPPER TILT BACK OIL PRESSURE SWITCH SYSTEM IS DISPLAYED........................................................................................438 C-51 [E0337] SHORT CIRCUIT IN PITCH INDEPENDENT SOLENOID SYSTEM IS DISPLAYED..................................................................................................439 C-52 [E0338] DISCONNECTION IN PITCH INDEPENDENT SOLENOID SYSTEM IS DISPLAYED..................................................................................................440 C-53 [E0339] SHORT CIRCUIT IN LEFT BOTTOM DRAIN SOLENOID SYSTEM IS DISPLAYED..................................................................................................441 C-54 [E0340] DISCONNECTION IN LEFT BOTTOM DRAIN SOLENOID SYSTEM IS DISPLAYED..................................................................................................442 C-55 [E0351] ABNORMALITY IN STANDARD VALUE OF BLADE TILT ANGLE SENSOR IS DISPLAYED............................................................................................443 C-56 [E0352] ABNORMALITY IN COMPENSATED VALUE OF BLADE TILT ANGLE SENSOR IS DISPLAYED.........................................................................................443 C-57 [E0360] SHORT CIRCUIT IN WORK EQUIPMENT OIL PRESSURE SENSOR (140 PUMP) SYSTEM IS DISPLAYED...............................................................................444 C-58 [E0361] DISCONNECTION IN WORK EQUIPMENT OIL PRESSURE SENSOR (140 PUMP) SYSTEM IS DISPLAYED...............................................................................445 C-59 [E0362] SHORT CIRCUIT IN WORK EQUIPMENT OIL PRESSURE SENSOR (100 PUMP) SYSTEM IS DISPLAYED...............................................................................446 C-60 [E0363] DISCONNECTION IN WORK EQUIPMENT OIL PRESSURE SENSOR (100 PUMP) SYSTEM IS DISPLAYED...............................................................................447 C-61 [E0501] SHORT CIRCUIT IN ACCELERATION SENSOR SYSTEM IS DISPLAYED.........................................................................................................448 C-62 [E0502] DISCONNECTION IN ACCELERATION SENSOR SYSTEM IS DISPLAYED.........................................................................................................449 C-63 [E0601] SHORT CIRCUIT IN BUZZER CANCEL SWITCH SYSTEM IS DISPLAYED........................................................................................................450 C-64 [E0610] SHORT CIRCUIT IN BACKUP ALARM RELAY SYSTEM IS DISPLAYED..........................................................................................................451 C-65 [E0611] DISCONNECTION IN BACKUP ALARM RELAY SYSTEM IS DISPLAYED..........................................................................................................452 C-66 [E0632] SHORT CIRCUIT IN ROCKBED SELECTION MODE SWITCH SYSTEM IS DISPLAYED...............................................................................................453 C-67 [E0633] DISCONNECTION IN ROCKBED SELECTION MODE SWITCH SYSTEM IS DISPLAYED...............................................................................................454 C-68 [E0930] DISCONNECTION IN ENGINE SPEED SENSOR SYSTEM IS DISPLAYED.........................................................................................................455 C-69 LOCK-UP DEVICE DOES NOT OPERATE WHEN LOCK-UP MODE SWITCH IS TURNED ON....................................................................................................456 C-70 ENGINE OUTPUT DOES NOT CHANGE WHEN ECONOMY MODE SWITCH IS TURNED ON......................................................................................................457 C-71 REVERSE TRAVEL SPEED DOES NOT CHANGE WHEN REVERSE SLOW MODE SWITCH IS TURNED ON..........................................................................................458 C-72 SHOE SLIP CONTROL DEVICE DOES NOT OPERATE WHEN SHOE SLIP CONTROL SWITCH IS TURNED ON OR SHOE SLIP LEVEL DOES NOT CHANGE WHEN ROCKBED SELECTION MODE SWITCH IS CHANGED....459 C-73 ANY SOLENOID RELATED TO MACHINE CONTROLLER DOES NOT OPERATE..............................................................................................................460 C-74 BACKUP ALARM DOES NOT SOUND OR KEEPS SOUNDING............................................................................................................................461 C-75 RIPPER PIN PULLER CYLINDER DOES NOT OPERATE..............................................................................................................................463 TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)......................................................................................................................465 TABLE OF FAILURE MODES AND CAUSES.............................................................................................................................................466 H-1 MACHINE LACKS POWER (LACKS DRAWBAR PULL)..................................................................................................................................467 H-2 MACHINE DOES NOT MOVE (AT 2ND OR 3RD GEAR SPEED)..........................................................................................................................469 H-3 MACHINE DOES NOT MOVE AT ANY GEAR SPEED...................................................................................................................................471 H-4 MACHINE TRAVELS ONLY FORWARD OR IN REVERSE................................................................................................................................473 H-5 TIME LAG IS EXCESSIVE WHEN GEAR IS SHIFTED OR TRAVEL DIRECTION IS CHANGED.................................................................................................473 H-6 MACHINE DOES NOT TURN IN EITHER DIRECTION.................................................................................................................................474 H-7 MACHINE TURNS ONLY IN ONE DIRECTION.......................................................................................................................................475 H-8 MACHINE TURNS TOO FAR.....................................................................................................................................................476 H-9 BRAKES DO NOT WORK........................................................................................................................................................476 H-10 TORQUE CONVERTER LOCK-UP DOES NOT WORK...................................................................................................................................477 H-11 POWER TRAIN OIL OVERHEATS................................................................................................................................................478 H-12 ALL WORK EQUIPMENT SPEEDS ARE LOW........................................................................................................................................479 H-13 WORK EQUIPMENT DOES NOT MOVE AT ALL......................................................................................................................................480 H-14 BLADE LIFT SPEED IS SLOW OR LACKS POWER..................................................................................................................................480 H-15 BLADE TILT SPEED IS SLOW OR LACKS POWER..................................................................................................................................481 H-16 BLADE PITCH DOES NOT WORK................................................................................................................................................481 H-17 RIPPER LIFT SPEED IS SLOW OR LACKS POWER.................................................................................................................................482 H-18 RIPPER TILT SPEED IS SLOW OR LACKS POWER.................................................................................................................................482 H-19 EXCESSIVE HYDRAULIC DRIFT OF BLADE LIFT..................................................................................................................................483 H-20 EXCESSIVE HYDRAULIC DRIFT OF BLADE TILT..................................................................................................................................483 H-21 EXCESSIVE HYDRAULIC DRIFT OF RIPPER LIFT.................................................................................................................................483 H-22 RIPPER PIN-PULLER CYLINDER DOES NOT WORK.................................................................................................................................484 H-23 ABNORMAL NOISE FROM AROUND HYDRAULIC PUMP................................................................................................................................484 TROUBLESHOOTING OF MONITOR PANEL AND ELECTRICAL SYSTEM (M MODE)...................................................................................................................485 ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE....................................................................................................486 ELECTRICAL CIRCUIT DIAGRAM OF M MODE SYSTEM...................................................................................................................................488 M-1 [E0120] SHORT CIRCUIT IN CAUTION LAMP OUTPUT SYSTEM IS DISPLAYED..........................................................................................................490 M-2 [E0121] SHORT CIRCUIT IN CAUTION BUZZER SYSTEM IS DISPLAYED...............................................................................................................491 M-3 [E0211] ABNORMALITY IN POWER TRAIN (TORQUE CONVERTER OIL TEMPERATURE IS DISPLAYED.........................................................................................492 M-4 [E0329] ABNORMALITY IN HYDRAULIC OIL TEMPERATURE IS DISPLAYED.............................................................................................................492 M-5 [E0430] ABNORMALITY IN ENGINE OIL PRESSURE IS DISPLAYED...................................................................................................................493 M-6 [E0431] ABNORMALITY IN RADIATOR WATER LEVEL IS DISPLAYED..................................................................................................................493 M-7 [E0432] ABNORMALITY IN ENGINE WATER TEMPERATURE IS DISPLAYED..............................................................................................................494 M-8 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL GIVES NO DISPLAY.........................................................................................................495 M-9 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL LAMPS ALL STAY LIGHTED UP AND DO NOT GO OUT..............................................................................497 M-10 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CHECK BEFORE STARTING ITEMS FLASH....................................................................................498 M-11 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS FLASH (BUT BATTERY CHARGE, ENGINE OIL PRESSURE CAUTION DO NOT FLASH)...................................500 M-12 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS FLASH (BUT THERE IS NO ABNORMALITY IN CHECKS BEFORE STARTING ITEMS OR ENGINE)..........................502 M-13 PREHEATING MONITOR DOES NOT LIGHT UP OR GO OUT...........................................................................................................................508 M-14 ABNORMALITY IN CAUTION BUZZER............................................................................................................................................509 M-15 ABNORMALITY IN CAUTION LAMP..............................................................................................................................................511 M-16 ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE............................................................................................................................513 M-17 ABNORMALITY IN POWER TRAIN (TORQUE CONVERTER) OIL TEMPERATURE GAUGE......................................................................................................515 M-18 ABNORMALITY IN FUEL LEVEL GAUGE..........................................................................................................................................517 M-19 SPEED RANGE DISPLAY SHOWS "--", ENGINE SPEED IS NOT DISPLAYED............................................................................................................519 M-20 SERVICE METER DOES NOT ADVANCE WHEN ENGINE IS RUNNING....................................................................................................................519 M-21 ABNORMALITY IN SERVICE MODE..............................................................................................................................................520 M-22 NIGHT LIGHTING ON MONITOR PANEL DOES NOT LIGHT UP (FRONT LAMP, WORKING LAMP ARE NORMAL)..................................................................................522 M-23 FRONT LAMPS AND WORKING LAMPS DO NOT LIGHT UP............................................................................................................................524 M-24 REAR LAMPS DO NOT LIGHT UP...............................................................................................................................................527 M-25 AUTOMATIC PREHEATER DOES NOT WORK........................................................................................................................................528 M-26 WINDSHIELD WIPER AND WINDOW WASHER DO NOT WORK...........................................................................................................................531 TROUBLESHOOTING OF AIR CONDITIONER SYSTEM.........................................................................................................................................534 ELECTRICAL CIRCUIT DIAGRAM OF AIR CONDITIONER SYSTEM..........................................................................................................................535 TROUBLESHOOTING OF AIR CONDITIONER WHICH DOES NOT WORK........................................................................................................................536 30 DISASSEMBLY AND ASSEMBLY...............................................................................................................................................................541 METHOD OF USING MANUAL................................................................................................................................................................543 PRECAUTIONS WHEN CARRYING OUT OPERATION...............................................................................................................................................546 SPECIAL TOOL LIST.....................................................................................................................................................................548 SKETCHES OF SPECIAL TOOLS.............................................................................................................................................................562 ENGINE OIL COOLER ASSEMBLY............................................................................................................................................................575 REMOVAL AND INSTALLATION..........................................................................................................................................................575 FUEL INJECTION PUMP ASSEMBLY..........................................................................................................................................................576 REMOVAL AND INSTALLATION..........................................................................................................................................................576 AFTERCOOLER CORE ASSEMBLY.............................................................................................................................................................577 REMOVAL AND INSTALLATION..........................................................................................................................................................577 NOZZLE HOLDER ASSEMBLY................................................................................................................................................................579 REMOVAL AND INSTALLATION..........................................................................................................................................................579 ENGINE FRONT SEAL.....................................................................................................................................................................580 REMOVAL AND INSTALLATION..........................................................................................................................................................580 ENGINE REAR SEAL......................................................................................................................................................................582 REMOVAL AND INSTALLATION..........................................................................................................................................................582 CYLINDER HEAD ASSEMBLY................................................................................................................................................................585 REMOVAL AND INSTALLATION..........................................................................................................................................................585 FUEL TANK ASSEMBLY....................................................................................................................................................................589 REMOVAL AND INSTALLATION..........................................................................................................................................................589 MAIN RADIATOR ASSEMBLY................................................................................................................................................................590 REMOVAL AND INSTALLATION..........................................................................................................................................................590 SUB RADIATOR ASSEMBLY.................................................................................................................................................................592 REMOVAL AND INSTALLATION..........................................................................................................................................................592 RADIATOR GUARD ASSEMBLY...............................................................................................................................................................593 REMOVAL AND INSTALLATION..........................................................................................................................................................593 ENGINE ASSEMBLY.......................................................................................................................................................................595 REMOVAL AND INSTALLATION..........................................................................................................................................................595 DAMPER ASSEMBLY.......................................................................................................................................................................599 REMOVAL AND INSTALLATION..........................................................................................................................................................599 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................601 PAWER TRAIN UNIT ASSEMBLY.............................................................................................................................................................604 REMOVAL AND INSTALLATION..........................................................................................................................................................604 PTO, TORQUE CONVERTER ASSEMBLY........................................................................................................................................................608 REMOVAL AND INSTALLATION..........................................................................................................................................................608 DISCONNECTION AND CONNECTION......................................................................................................................................................611 TORQUE CONVERTER ASSEMBLY.............................................................................................................................................................613 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................613 PTO ASSEMBLY..........................................................................................................................................................................624 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................624 TORQFLOW TRANSMISSION ASSEMBLY........................................................................................................................................................631 REMOVAL AND INSTALLATION..........................................................................................................................................................631 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................632 STEERING CASE ASSEMBLY................................................................................................................................................................651 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................651 STEERING CLUTCH, BRAKE ASSEMBLY.......................................................................................................................................................659 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................659 TRANSFER GEAR HOUSING ASSEMBLY........................................................................................................................................................667 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................667 POWER TRAIN PUMP ASSEMBLY.............................................................................................................................................................671 REMOVAL AND INSTALLATION..........................................................................................................................................................671 SCAVENGING PUMP ASSEMBLY..............................................................................................................................................................672 REMOVAL AND INSTALLATION..........................................................................................................................................................672 TORQUE CONVERTER OIL COOLER...........................................................................................................................................................673 REMOVAL AND INSTALLATION..........................................................................................................................................................673 TORQUE CONVERTER VALVE ASSEMBLY.......................................................................................................................................................674 REMOVAL AND INSTALLATION..........................................................................................................................................................674 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................675 TRANSMISSION CONTROL VALVE ASSEMBLY...................................................................................................................................................678 REMOVAL AND INSTALLATION..........................................................................................................................................................678 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................680 STEERING CONTROL VALVE ASSEMBLY.......................................................................................................................................................685 REMOVAL AND INSTALLATION..........................................................................................................................................................685 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................686 FINAL DRIVE ASSEMBLY..................................................................................................................................................................690 REMOVAL AND INSTALLATION..........................................................................................................................................................690 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................692 TRACK FRAME ASSEMBLY..................................................................................................................................................................709 REMOVAL AND INSTALLATION..........................................................................................................................................................709 IDLER ASSEMBLY........................................................................................................................................................................715 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................715 RECOIL SPRING ASSEMBLY................................................................................................................................................................723 REMOVAL AND INSTALLATION..........................................................................................................................................................723 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................735 TRACK ROLLER ASSEMBLY.................................................................................................................................................................739 REMOVAL AND INSTALLATION..........................................................................................................................................................739 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................743 CARRIER ROLLER ASSEMBLY...............................................................................................................................................................749 REMOVAL AND INSTALLATION..........................................................................................................................................................749 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................750 BOGIE ASSEMBLY........................................................................................................................................................................754 REMOVAL AND INSTALLATION..........................................................................................................................................................754 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................762 NO.1 BOGIE ASSEMBLY...................................................................................................................................................................774 REMOVAL AND INSTALLATION..........................................................................................................................................................774 TRACK SHOE ASSEMBLY...................................................................................................................................................................785 REMOVAL AND INSTALLATION..........................................................................................................................................................785 OVERALL DISASSEMBLY...............................................................................................................................................................791 OVERALL ASSEMBLY..................................................................................................................................................................795 PRESS-FITTING JIG DIMENSION TABLE FOR LINK PRESS......................................................................................................................................810 FIELD DISASSEMBLY OF ONE LINK.........................................................................................................................................................811 FIELD ASSEMBLY OF ONE LINK............................................................................................................................................................814 MASTER LINK...........................................................................................................................................................................817 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................817 PIVOT SHAFT ASSEMBLY..................................................................................................................................................................822 REMOVAL AND INSTALLATION..........................................................................................................................................................822 EQUALIZER BAR.........................................................................................................................................................................823 REMOVAL AND INSTALLATION..........................................................................................................................................................823 EQUALIZER BAR BUSHING.................................................................................................................................................................829 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................829 HYDRAULIC PUMP ASSEMBLY...............................................................................................................................................................831 REMOVAL AND INSTALLATION..........................................................................................................................................................831 BLADE LIFT VALVE ASSEMBLY.............................................................................................................................................................832 REMOVAL AND INSTALLATION..........................................................................................................................................................832 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................833 BLADE TILT, RIPPER LO VALVE ASSEMBLY..................................................................................................................................................835 REMOVAL AND INSTALLATION..........................................................................................................................................................835 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................836 RIPPER HI VALVE ASSEMBLY..............................................................................................................................................................838 REMOVAL AND INSTALLATION..........................................................................................................................................................838 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................839 PPC RELIEF VALVE ASSEMBLY.............................................................................................................................................................841 REMOVAL AND INSTALLATION..........................................................................................................................................................841 HYDRAULIC CYLINDER ASSEMBLY...........................................................................................................................................................842 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................842 RIPPER PIN-PULLER CYLINDER ASSEMBLY...................................................................................................................................................848 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................848 BLADE ASSEMBLY........................................................................................................................................................................851 REMOVAL AND INSTALLATION..........................................................................................................................................................851 GIANT RIPPER ASSEMBLY.................................................................................................................................................................853 DISASSEMBLY AND ASSEMBLY..........................................................................................................................................................853 ROPS GUARD............................................................................................................................................................................857 REMOVAL AND INSTALLATION..........................................................................................................................................................857 OPERATOR'S CAB ASSEMBLY...............................................................................................................................................................858 REMOVAL AND INSTALLATION..........................................................................................................................................................858 FLOOR FRAME ASSEMBLY..................................................................................................................................................................860 REMOVAL AND INSTALLATION..........................................................................................................................................................860 DASHBOARD ASSEMBLY....................................................................................................................................................................865 REMOVAL AND INSTALLATION..........................................................................................................................................................865 CONTROLLER ASSEMBLY...................................................................................................................................................................867 REMOVAL AND INSTALLATION..........................................................................................................................................................867 AIR CONDITIONER COMPRESSOR ASSEMBLY...................................................................................................................................................868 REMOVAL AND INSTALLATION..........................................................................................................................................................868 AIR CONDITIONER CONDENSER ASSEMBLY....................................................................................................................................................870 REMOVAL AND INSTALLATION..........................................................................................................................................................870 AIR CONDITIONER UNIT ASSEMBLY.........................................................................................................................................................871 REMOVAL AND INSTALLATION..........................................................................................................................................................871 HOOD ASSEMBLY.........................................................................................................................................................................875 REMOVAL AND INSTALLATION..........................................................................................................................................................875 40 MAINTENANCE STANDARD...................................................................................................................................................................876 ENGINE MOUNT..........................................................................................................................................................................877 DAMPER, UNIVERSAL JOINT...............................................................................................................................................................878 TORQUE CONVERTER......................................................................................................................................................................879 TORQUE CONVERTER VALVE................................................................................................................................................................881 TORQFLOW TRANSMISSION.................................................................................................................................................................883 TRANSMISSION CONTROL VALVE............................................................................................................................................................885 POWER TRAIN, HYDRAULIC, LUBRICATION PUMP..............................................................................................................................................888 TRANSFER, BEVEL PINION................................................................................................................................................................889 BEVEL GEAR SHAFT, STEERING CLUTCH, BRAKE..............................................................................................................................................890 STEERING CONTROL VALVE................................................................................................................................................................892 FINAL DRIVE...........................................................................................................................................................................894 MAIN FRAME............................................................................................................................................................................896 TRACK FRAME...........................................................................................................................................................................898 RECOIL SPRING.........................................................................................................................................................................900 IDLER.................................................................................................................................................................................902 TRACK ROLLER BOGIE....................................................................................................................................................................906 TRACK ROLLER..........................................................................................................................................................................908 CARRIER ROLLER........................................................................................................................................................................912 TRACK SHOE............................................................................................................................................................................914 EQUALIZER BAR.........................................................................................................................................................................920 PIVOT SHAFT...........................................................................................................................................................................922 HYDRAULIC PUMP........................................................................................................................................................................923 WORK EQUIPMENT CONTROL PUMP...........................................................................................................................................................924 MAIN CONTROL VALVE....................................................................................................................................................................925 PPC VALVE.............................................................................................................................................................................929 WORK EQUIPMENT CYLINDER...............................................................................................................................................................932 CYLINDER STAY.........................................................................................................................................................................934 BLADE.................................................................................................................................................................................935 RIPPER EQUIPMENT......................................................................................................................................................................940 90 OTHERS.................................................................................................................................................................................942 WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM..............................................................................................................................................943 SINGLE TILT SPECIFICATION.........................................................................................................................................................943 DUAL TILT SPECIFICATION (SERIAL NO.: 10601-10674).................................................................................................................................944 DUAL TILT SPECIFICATION (TANDEM CIRCUIT SPECIFICATION) (SERIAL NO.: 10675 AND UP).................................................................................................945 DUAL TILT SPECIFICATION (PARALLEL CIRCUIT SPECIFICATION) (SERIAL NO.: 10675 AND UP)...............................................................................................946 SUPER DOZER SPECIFICATION.........................................................................................................................................................947 ELECTRICAL CIRCUIT DIAGRAM............................................................................................................................................................948 SINGLE TILT AND DUAL TILT SPECIFICATIONS..........................................................................................................................................948 CHASSIS ELECTRICAL CIRCUIT DIAGRAM (1/3)......................................................................................................................................948 CHASSIS ELECTRICAL CIRCUIT DIAGRAM (2/3)......................................................................................................................................949 CHASSIS ELECTRICAL CIRCUIT DIAGRAM (3/3)......................................................................................................................................950 SUPER DOZER SPECIFICATION.........................................................................................................................................................951 CHASSIS ELECTRICAL CIRCUIT DIAGRAM (1/3)......................................................................................................................................951 CHASSIS ELECTRICAL CIRCUIT DIAGRAM (2/3)......................................................................................................................................952 CHASSIS ELECTRICAL CIRCUIT DIAGRAM (3/3)......................................................................................................................................953 HEAVY-DUTY SPECIFICATION..........................................................................................................................................................954 CHASSIS ELECTRICAL CIRCUIT DIAGRAM (1/3)......................................................................................................................................954 CHASSIS ELECTRICAL CIRCUIT DIAGRAM (2/3)......................................................................................................................................955 CHASSIS ELECTRICAL CIRCUIT DIAGRAM (3/3)......................................................................................................................................956 ELECTRICAL CIRCUIT DIAGRAM INSIDE CAB.............................................................................................................................................957
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