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Komatsu WA180-1LC 75001 and up Wheel Loader Shop Manual – PDF DOWNLOAD
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Description
Komatsu WA180-1LC 75001 and up Wheel Loader Shop Manual
FILE DETAILS:
Komatsu WA180-1LC 75001 and up Wheel Loader Shop Manual
Brands: Komatsu
Equipment Type: Wheel Loader
Manuals Type: Shop Manual
Machine Model: WA180-1LC
Serial Number: 75001 and up
Book Code: CEBMW17020
Issued: Printed in U.S.A. March 1992
Language: English
Pages: 587
File Format: Portable Document Format (PDF)
DESCRIPTION:
Komatsu WA180-1LC 75001 and up Wheel Loader Shop Manual
FOREWORD:
This service 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 service manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into chapters for each main group of components; these chapters are further divided into the following sections.
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.
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” to “Causes” are also included in this section.
DISASSEMBLY AND ASSEMBLY:
This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.
MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts
TABLE OF CONTENTS:
Komatsu WA180-1LC 75001 and up Wheel Loader Shop Manual
MAIN MENU....................................................................................................... 0 CONTENTS........................................................................................................ 5 10 ENGINE....................................................................................................... 23 11 STRUCTURE AND FUNCTION................................................................................... 23 ENGINE MOUNTING......................................................................................... 24 RADIATOR AND OIL COOLER................................................................................. 25 FUEL TANK AND PIPING.................................................................................... 26 ENGINE CONTROL.......................................................................................... 27 12 TESTING AND ADJUSTING.................................................................................... 29 STANDARD VALUE TABLE.................................................................................... 30 SERVICE TOOL LIST....................................................................................... 32 SAFETY PRECAUTIONS...................................................................................... 33 EXHAUST GAS COLOR....................................................................................... 34 ACCELERATOR PEDAL OPERATING FORCE AND ANGLE............................................................. 35 OPERATING FORCE..................................................................................... 35 OPERATING ANGLE..................................................................................... 36 13 DISASSEMBLY AND ASSEMBLY................................................................................. 39 CRANKING MOTOR.......................................................................................... 40 REMOVAL............................................................................................. 40 INSTALLATION........................................................................................ 40 ALTERNATOR.............................................................................................. 41 REMOVAL............................................................................................. 41 INSTALLATION........................................................................................ 41 OIL COOLER.............................................................................................. 42 REMOVAL............................................................................................. 42 INSTALLATION........................................................................................ 43 WATER PUMP.............................................................................................. 44 REMOVAL............................................................................................. 44 INSTALLATION........................................................................................ 45 FUEL INJECTORS.......................................................................................... 46 REMOVAL............................................................................................. 46 INSTALLATION........................................................................................ 48 TURBOCHARGER............................................................................................ 50 REMOVAL............................................................................................. 50 INSTALLATION........................................................................................ 52 CYLINDER HEAD........................................................................................... 54 REMOVAL............................................................................................. 54 INSTALLATION........................................................................................ 57 RADIATOR................................................................................................ 60 REMOVAL............................................................................................. 60 INSTALLATION........................................................................................ 63 ENGINE.................................................................................................. 67 REMOVAL............................................................................................. 67 INSTALLATION........................................................................................ 74 FUEL TANK............................................................................................... 82 REMOVAL............................................................................................. 82 INSTALLATION........................................................................................ 83 20 POWER TRAIN.................................................................................................. 85 21 STRUCTURE AND FUNCTION................................................................................... 85 GENERAL................................................................................................. 88 HYDRAULIC CIRCUIT FOR POWER TRAIN....................................................................... 90 HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN........................................................... 91 FORWARD FIRST....................................................................................... 92 TORQUE CONVERTER AND TRANSMISSION PIPING................................................................ 94 TORQUE CONVERTER CHARGING PUMP.......................................................................... 95 OUTLINE............................................................................................. 95 SPECIFICATIONS...................................................................................... 95 TORQUE CONVERTER........................................................................................ 96 SPECIFICATIONS...................................................................................... 96 OUTLINE............................................................................................. 97 FLOW OF MOTIVE FORCE............................................................................ 97 FLOW OF OIL..................................................................................... 97 TORQUE CONVERTER OIL FILTER............................................................................. 98 OPERATION........................................................................................... 98 TORQUE CONVERTER OIL COOLER.............................................................................100 OUTLINE.............................................................................................100 TRANSMISSION............................................................................................101 OUTLINE.............................................................................................103 CLUTCH SHAFTS...........................................................................................103 FORWARD AND REVERSE CLUTCHES........................................................................103 FIRST GEAR CLUTCH...................................................................................104 SECOND AND THIRD GEAR CLUTCH........................................................................104 OPERATION OF CLUTCH.................................................................................105 WHEN ENGAGED....................................................................................105 WHEN DISENGAGED.................................................................................105 FORWARD FIRST.......................................................................................106 OPERATION.......................................................................................107 REVERSE FIRST.......................................................................................108 OPERATION.......................................................................................109 TRANSMISSION CONTROL VALVE..............................................................................110 MAIN REGULATOR VALVE................................................................................112 FUNCTION........................................................................................112 OPERATION.......................................................................................112 TORQUE CONVERTER OIL OUTLET VALVE.......................................................................113 FUNCTION............................................................................................113 OPERATION...........................................................................................113 QUICK RETURN VALVE AND ACCUMULATOR......................................................................114 FUNCTION............................................................................................114 Quick Return Valve..............................................................................114 Accumulator.....................................................................................114 OPERATION...........................................................................................114 When Clutch Is Engaged..........................................................................114 Immediately After Gear Shifting.................................................................114 POWER MODULATING FUNCTION...............................................................................116 FUNCTION............................................................................................116 CLUTCH CUT-OFF VALVE................................................................................120 OPERATION.......................................................................................120 DRIVE SHAFTS............................................................................................122 OUTLINE.............................................................................................122 AXLES...................................................................................................124 FRONT...............................................................................................124 REAR................................................................................................125 DIFFERENTIALS...........................................................................................126 FRONT...............................................................................................126 REAR................................................................................................127 TORQUE PROPORTIONING DIFFERENTIAL...................................................................128 OUTLINE.........................................................................................128 FUNCTION........................................................................................129 OPERATION.......................................................................................129 FINAL DRIVES............................................................................................130 OUTLINE.............................................................................................130 AXLE MOUNTING...........................................................................................132 FRONT AXLE..........................................................................................133 REAR AXLE...........................................................................................133 TIRES AND WHEELS........................................................................................134 THREE PIECE WHEEL...................................................................................134 ONE PIECE WHEEL.....................................................................................135 SPECIFICATIONS......................................................................................136 22 TESTING AND ADJUSTING....................................................................................137 STANDARD VALUE TABLE....................................................................................138 SERVICE TOOL LIST.......................................................................................140 SAFETY PRECAUTIONS......................................................................................140 ENGINE STALL SPEEDS.....................................................................................142 TORQUE CONVERTER AND TRANSMISSION OIL PRESSURES.........................................................144 TRANSMISSION SHIFT LEVERS...............................................................................146 TRANSMISSION CONTROL VALVE SPOOLS.......................................................................147 TROUBLESHOOTING.........................................................................................149 PRECAUTIONS.........................................................................................150 METHOD OF READING TROUBLESHOOTING TABLE.............................................................152 PREVENTING RECURRENCE OF TROUBLE....................................................................154 CHECKS BEFORE TROUBLESHOOTING.......................................................................155 TROUBLESHOOTING TABLE...............................................................................156 TORQUE CONVERTER AND TRANSMISSION...................................................................156 1. Machine does not move off....................................................................156 2. Machine speed is low, thrust is weak, gradeability falls off.................................158 3. Large shock when off or changing gear........................................................160 4. Large time lag when moving off or changing gear..............................................161 5. Oil temperature in torque converter is high..................................................162 23 DISASSEMBLY AND ASSEMBLY.................................................................................163 TORQUE CONVERTER CHARGING PUMP..........................................................................165 REMOVAL.............................................................................................165 INSTALLATION........................................................................................165 TORQUE CONVERTER TRANSMISSION...........................................................................166 REMOVAL.............................................................................................166 INSTALLATION........................................................................................173 TORQUE CONVERTER........................................................................................180 DISASSEMBLY.........................................................................................180 ASSEMBLY............................................................................................183 TRANSMISSION............................................................................................186 DISASSEMBLY.........................................................................................186 ASSEMBLY............................................................................................193 FORWARD REVERSE CLUTCH PACKS............................................................................204 DISASSEMBLY.........................................................................................204 ASSEMBLY............................................................................................207 FIRST SPEED CLUTCH PACK.................................................................................212 DISASSEMBLY.........................................................................................212 ASSEMBLY............................................................................................214 SECOND AND THIRD SPEED CLUTCH PACKS.....................................................................217 DISASSEMBLY.........................................................................................217 ASSEMBLY............................................................................................219 TRANSMISSION CONTROL VALVE..............................................................................224 REMOVAL.............................................................................................224 INSTALLATION........................................................................................226 DISASSEMBLY.........................................................................................230 ASSEMBLY............................................................................................234 DRIVE SHAFT.............................................................................................240 DISASSEMBLY.........................................................................................240 ASSEMBLY............................................................................................242 FRONT AXLE..............................................................................................244 REMOVAL.............................................................................................244 INSTALLATION........................................................................................246 REAR AXLE...............................................................................................248 REMOVAL.............................................................................................248 INSTALLATION........................................................................................252 DIFFERENTIAL............................................................................................257 DISASSEMBLY.........................................................................................257 ASSEMBLY............................................................................................261 AXLE HOUSING............................................................................................271 DISASSEMBLY.........................................................................................271 ASSEMBLY............................................................................................277 24 MAINTENANCE STANDARD.....................................................................................283 TRANSMISSION AND ENGINE MOUNT...........................................................................284 TORQUE CONVERTER CHARGING PUMP..........................................................................286 TORQUE CONVERTER........................................................................................287 TRANSMISSION............................................................................................288 TRANSMISSION CLUTCH ASSEMBLY............................................................................290 FORWARD-REVERSE CLUTCH ASSEMBLY.....................................................................290 1ST CLUTCH ASSEMBLY.................................................................................290 2ND, 3RD CLUTCH ASSEMBLY............................................................................290 TRANSMISSION CONTROL VALVE..............................................................................292 AXLE....................................................................................................294 DIFFERENTIAL............................................................................................296 FINAL DRIVE.............................................................................................298 DRIVE SHAFT.............................................................................................299 AXLE MOUNT..............................................................................................300 40 STEERING SYSTEM..............................................................................................303 41 STRUCTURE AND FUNCTION...................................................................................303 GENERAL.................................................................................................304 HYDRAULIC CIRCUIT FOR STEERING..........................................................................305 HYDRAULIC CIRCUIT DIAGRAM FOR STEERING..................................................................306 STEERING VALVE..........................................................................................307 CONNECTION OF HAND PUMP AND SLEEVE..................................................................313 PRIORITY VALVE..........................................................................................315 STEERING CYLINDER.......................................................................................318 CENTER HINGE PIN........................................................................................319 42 TESTING AND ADJUSTING....................................................................................321 STANDARD VALUE TABLE....................................................................................322 SERVICE TOOL LIST.......................................................................................322 STEERING WHEEL PLAY.....................................................................................323 OPERATING FORCE OF STEERING WHEEL.......................................................................324 OPERATING TIME OF STEERING WHEEL........................................................................325 STEERING OIL PRESSURE...................................................................................326 TROUBLESHOOTING.........................................................................................327 TROUBLESHOOTING TABLE...................................................................................328 STEERING CIRCUIT....................................................................................328 1. Steering wheel does not turn.................................................................328 2. Steering wheel is sluggish...................................................................329 3. Steering wheel moves unsteadily or is subjected to large shock...............................330 4. Machine tends to turn naturally in one particular direction when traveling...................330 5. Left and right turning radii are different...................................................330 43 DISASSEMBLY AND ASSEMBLY.................................................................................331 STEERING VALVE..........................................................................................332 REMOVAL.............................................................................................332 INSTALLATION........................................................................................333 DISASSEMBLY.........................................................................................334 ASSEMBLY............................................................................................337 STEERING RELIEF VALVE...................................................................................342 REMOVAL AND DISASSEMBLY.............................................................................342 ASSEMBLY AND INSTALLATION...........................................................................343 PRIORITY VALVE..........................................................................................344 REMOVAL.............................................................................................344 INSTALLATION........................................................................................345 STEERING CYLINDER.......................................................................................346 REMOVAL.............................................................................................346 INSTALLATION........................................................................................346 DISASSEMBLY.........................................................................................347 ASSEMBLY............................................................................................349 CENTER HINGE PIN........................................................................................352 REMOVAL.............................................................................................352 INSTALLATION........................................................................................360 44 MAINTENANCE STANDARD.....................................................................................369 STEERING CYLINDER MOUNT.................................................................................370 STEERING CYLINDER.......................................................................................371 CENTER HINGE PIN........................................................................................372 STEERING COLUMN.........................................................................................374 PRIORITY VALVE..........................................................................................375 50 BRAKES.......................................................................................................377 51 STRUCTURE AND FUNCTION...................................................................................377 GENERAL.................................................................................................378 POWER MASTER CYLINDER...................................................................................379 BRAKE...................................................................................................383 PARKING BRAKE...........................................................................................385 BRAKE CALIPER...........................................................................................386 52 TESTING AND ADJUSTING....................................................................................387 STANDARD VALUE TABLE....................................................................................388 TOOL LIST...............................................................................................389 MEASURING BRAKE PEDAL...................................................................................390 BRAKE PEDAL LINKAGE.....................................................................................391 BRAKE PERFORMANCE.......................................................................................393 BRAKE OIL PRESSURE......................................................................................394 BRAKE DISC WEAR.........................................................................................395 AIR BLEEDING FROM BRAKE CIRCUIT.........................................................................396 PARKING BRAKE PERFORMANCE...............................................................................397 PARKING BRAKE...........................................................................................398 CHECKING............................................................................................398 ADJUSTING...........................................................................................399 MEASURING CLEARANCE.................................................................................400 TROUBLESHOOTING.........................................................................................401 TROUBLESHOOTING TABLES..............................................................................402 1. Brake is ineffective or not very effective.......................................................402 2. Brake cannot be released or drags................................................................403 53 DISASSEMBLY AND ASSEMBLY.................................................................................405 POWER MASTER CYLINDER...................................................................................406 REMOVAL.............................................................................................406 INSTALLATION........................................................................................407 DISASSEMBLY.........................................................................................408 ASSEMBLY............................................................................................411 PARKING BRAKE...........................................................................................416 REMOVAL.............................................................................................416 INSTALLATION........................................................................................418 PARKING BRAKE PAD.......................................................................................420 REMOVAL.............................................................................................420 INSTALLATION........................................................................................421 54 MAINTENANCE STANDARD.....................................................................................423 POWER MASTER CYLINDER...................................................................................424 BRAKE...................................................................................................425 PARKING BRAKE...........................................................................................426 60 WORK EQUIPMENT SYSTEM........................................................................................427 61 STRUCTURE AND FUNCTION...................................................................................427 GENERAL.................................................................................................428 HYDRAULIC CIRCUIT.......................................................................................430 HYDRAULIC CIRCUIT DIAGRAM...............................................................................431 HYDRAULIC TANK..........................................................................................432 OIL FILTER BYPASS VALVE.............................................................................433 BREATHER............................................................................................433 HYDRAULIC AND STEERING PUMP.............................................................................434 HYDRAULIC CYLINDERS.....................................................................................435 LIFT CYLINDER.......................................................................................435 DUMP CYLINDER.......................................................................................435 MAIN CONTROL VALVE......................................................................................436 LIFT AND DUMP SPOOLS AT "HOLD POSITION".............................................................438 LIFT SPOOL AT "RAISE POSITION"......................................................................439 LIFT SPOOL AT "LOWER POSITION"......................................................................440 LIFT SPOOL AT "FLOAT POSITION"......................................................................441 DUMP SPOOL AT "TILT BACK POSITION"..................................................................442 DUMP SPOOL AT "DUMP POSITION".......................................................................443 SAFETY VALVE (WITH SUCTION VALVE)...................................................................444 SUCTION VALVE.......................................................................................445 RELIEF VALVE........................................................................................446 DUMP AND LIFT CONTROL LEVER LINKAGE.....................................................................447 BUCKET LINKAGE..........................................................................................448 BUCKET POSITIONER AND BOOM KICK-OUT.....................................................................450 62 TESTING AND ADJUSTING....................................................................................451 STANDARD VALUE TABLE....................................................................................453 TOOL LIST...............................................................................................454 DUMP AND LIFT CONTROL LEVERS............................................................................455 MEASURING PROCEDURE.................................................................................455 ADJUSTING PROCEDURE.................................................................................456 DUMP AND LIFT CONTROL VALVE SPOOL TRAVEL................................................................457 MEASURING PROCEDURE.................................................................................457 HYDRAULIC CIRCUIT FLUSHING..............................................................................458 BEFORE FLUSHING.....................................................................................458 WORK STEPS FOR FLUSHING.............................................................................459 HYDRAULIC PRESSURE......................................................................................461 MEASURING PROCEDURE (Main relief valve).............................................................461 ADJUSTING PROCEDURE (Main relief valve).............................................................462 LIFT ARM AND BUCKET.....................................................................................463 MEASURING PROCEDURE.................................................................................463 Lifting time of lift arm........................................................................463 Lowering time of lift arm.......................................................................463 Dumping time of bucket..........................................................................464 Tilt back time of bucket........................................................................464 HYDRAULIC DRIFT.....................................................................................465 Measuring procedure.............................................................................465 BUCKET POSITIONER.......................................................................................466 INSPECTION PROCEDURE................................................................................466 ADJUSTING PROCEDURE.................................................................................466 BOOM KICK-OUT...........................................................................................467 INSPECTION PROCEDURE................................................................................467 ADJUSTING PROCEDURE.................................................................................467 TROUBLESHOOTING.........................................................................................469 LOADER CIRCUIT......................................................................................470 1. Lift arm does not rise.......................................................................470 2. Lilt arm moves slowly or does not have sufficient lifting power..............................471 3. Lift arm movement becomes slow after it reaches a certain height.............................472 4. Bucket cannot be held down with lift cylinder................................................472 5. Lift arm has large hydraulic drift...........................................................472 6. Lift arm movement is unsteady during work....................................................472 7. Lift arm descends momentarily when the control lever is shifted from "Hold" to "Raise".......472 8. Bucket does not tilt back....................................................................473 9. Bucket moves slowly or has insufficient tilt back power......................................474 10. Bucket movement becomes slow during tilt beck...............................................475 11. Bucket cannot be held down by the dump cylinder.............................................475 12. Bucket has large hydraulic drift............................................................475 13. Bucket moves unsteadily when machine travels under load. (Main control valve in "Hold").....475 14. Bucket dumps momentarily when control lever is shifted from "Hold" to "Tilt back"...........475 15. Control levers of lift arm and bucket move stiffly and sluggishly...........................476 63 DISASSEMBLY AND ASSEMBLY.................................................................................477 HYDRAULIC TANK..........................................................................................479 REMOVAL.............................................................................................479 INSTALLATION........................................................................................480 HYDRAULIC FILTER........................................................................................481 REMOVAL.............................................................................................481 INSTALLATION........................................................................................481 HYDRAULIC-STEERING PUMP.................................................................................482 REMOVAL.............................................................................................482 INSTALLATION........................................................................................483 MAIN CONTROL VALVE......................................................................................484 REMOVAL.............................................................................................484 INSTALLATION........................................................................................486 DISASSEMBLY.........................................................................................489 ASSEMBLY............................................................................................491 DUMP CYLINDER...........................................................................................492 REMOVAL.............................................................................................492 INSTALLATION........................................................................................494 LIFT CYLINDER...........................................................................................495 REMOVAL.............................................................................................495 INSTALLATION........................................................................................496 LIFT AND DUMP CYLINDER..................................................................................497 DISASSEMBLY.........................................................................................497 ASSEMBLY............................................................................................499 WORK EQUIPMENT..........................................................................................502 REMOVAL.............................................................................................502 INSTALLATION........................................................................................505 COUNTERWEIGHT...........................................................................................508 REMOVAL.............................................................................................508 INSTALLATION........................................................................................508 64 STRUCTURE AND FUNCTION...................................................................................509 MAIN CONTROL VALVE......................................................................................510 DUMP CYLINDER...........................................................................................512 LIFT CYLINDER...........................................................................................513 WORK EQUIPMENT..........................................................................................514 BUCKET POSITIONER AND BOOM KICK-OUT.....................................................................516 BUCKET..................................................................................................517 HYDRAULIC AND STEERING PUMP.............................................................................518 80 ELECTRIC AND ELECTRONIC SYSTEM...............................................................................519 81 STRUCTURE AND FUNCTION...................................................................................519 CLUSTER GAUGE...........................................................................................520 PROXIMITY SWITCH........................................................................................521 OPERATION...........................................................................................522 ENGINE STARTING CIRCUIT.................................................................................523 ENGINE STOP CIRCUIT.....................................................................................524 ELECTRICAL WIRING DIAGRAM...............................................................................525 ELECTRICAL WIRING SCHEMATIC.............................................................................525 SENSOR..................................................................................................526 BRAKE OIL LEVEL SENSOR..............................................................................527 TORQUE CONVERTER OIL TEMPERATURE SENSOR.............................................................527 FUEL GAUGE SENSOR...................................................................................528 COOLANT TEMPERATURE SENSOR..........................................................................529 ENGINE OIL PRESSURE SENSOR..........................................................................529 83 DISASSEMBLY AND ASSEMBLY.................................................................................531 INSTRUMENT PANEL........................................................................................532 REMOVAL.............................................................................................532 INSTALLATION........................................................................................533 90 MISCELLANEOUS................................................................................................535 91 CAB AND AIR CONDITIONER STRUCTURE AND FUNCTION...........................................................535 CAB.....................................................................................................536 AIR CONDITIONER.........................................................................................538 PIPING, AIR CONDITIONER TO CONDENSER TO COMPRESSOR..................................................538 PIPING, AIR CONDITIONER DRAIN AND HEATER LINES......................................................540 PIPING, COOLING LINES IN REAR OF CAB................................................................542 PIPING, SUPPLY OPENING FOR FACE AND DEFROSTER.......................................................542 PIPING DIAGRAM......................................................................................543 ELECTRICAL WIRING DIAGRAM...........................................................................544 AIR CONDITIONER UNIT................................................................................545 HEATING.........................................................................................545 COOLING.........................................................................................545 AIR CONDITIONER COMPRESSOR..........................................................................546 AIR CONDITIONER CONDENSER...........................................................................546 AIR CONDITIONER DRY RESERVOIR.......................................................................547 97 GEAR PUMP - SA SERIES....................................................................................549 GENERAL.................................................................................................550 PRINCIPLE OF OPERATION..................................................................................551 MECHANISM FOR DELIVERING OIL........................................................................551 INTERNAL OIL LEAKAGE................................................................................552 FORCES ACTING ON THE GEAR...........................................................................552 "TRAPPING" PHENOMENON OF THE OIL....................................................................553 PRESSURE LOADED TYPE GEAR PUMP..........................................................................554 GENERAL DESCRIPTION.................................................................................554 STRUCTURE AND OPERATION.................................................................................555 FIXED SIDE PLATE TYPE GEAR PUMP.........................................................................556 SA SERIES...............................................................................................557 STRUCTURE...........................................................................................557 FEATURES........................................................................................557 SA-1............................................................................................558 SA-2............................................................................................558 SA-3............................................................................................559 SA-4............................................................................................560 TESTING AND ADJUSTING...............................................................................561 DISASSEMBLY.........................................................................................564 Single pump.....................................................................................564 Tandem pump.....................................................................................567 Triple pump.....................................................................................567 ASSEMBLY............................................................................................568 Single pump.....................................................................................568 Tandem pump.....................................................................................571 Triple pump.....................................................................................572 MAINTENANCE STANDARD................................................................................573 99 METRIC CONVERSIONS.......................................................................................575
KOMATSU WA180-1LC 75001 AND UP WHEEL LOADER SHOP MANUAL – PDF DOWNLOAD:
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