Komatsu WA600-3L Wheel Loader Shop Manual CEBM002801 – PDF DOWNLOAD

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Komatsu WA600-3L Wheel Loader Shop Manual CEBM002801 – PDF DOWNLOAD

FILE DETAILS:

Komatsu WA600-3L Wheel Loader Shop Manual CEBM002801 – PDF DOWNLOAD

Language : English
Pages : 894
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Komatsu WA600-3L Wheel Loader Shop Manual CEBM002801 – PDF DOWNLOAD

• SERIAL NUMBERS WA600-3L – A52001 and up

MAIN MENU 0
COVER 1
CONTENTS 2
00 FOREWORD 11
SAFETY 12
GENERAL 14
HOW TO READ THE SHOP MANUAL 15
HOISTING INSTRUCTIONS 16
COATING MATERIALS 17
STANDARD TIGHTENING TORQUE 18
ELECTRIC WIRE CODE 21
CONVERSIONS TABLES 22
01 GENERAL 29
GENERAL ASSEMBLY DRAWING 30
SPECIFICATIONS 31
WEIGHT TABLE 34
FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE 35
PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS 35
ENGINE OIL SPECIFICATIONS 36
NORMAL OPERATION 36
ARCTIC OPERATION 36
REAR MAIN FRAME, STEERING DRIVE, TRANSMISSION, TORQUE CONVERTER AND OIL COOLER, AND HYDRAULIC SYSTEM OIL SPECIFICATIONS 37
TRANSMISSION, TORQUE CONVERTER, TRANSFER CASE AND OIL COOLER, SERVICE BRAKES AND HYDRAULIC SYSTEM OIL SPECIFICATIONS 37
FINAL DRIVE OIL SPECIFICATIONS 37
DRIVE AXLE OIL SPECIFICATIONS 37
DIESEL FUEL SPECIFICATIONS WARNING 37
COOLANT SPECIFICATIONS 38
GENERAL 38
WATER 38
ANTIFREEZE 39
SUPPLEMENTAL COOLANT ADDITIVES 40
10 STRUCTURE AND FUNCTION 44
GENERAL POWER TRAIN 48
POWER TRAIN SYSTEM 49
RADIATOR, HYDRAULIC OIL COOLER 51
TORQUE CONVERTER AND TRANSMISSION PIPING 52
HYDRAULIC CIRCUIT FOR POWER TRAIN 53
HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN 0
ENGINE STOPPED 55
TORQUE CONVERTER 56
REGULATOR VALVE 59
RELIEF VALVE 61
OIL COOLER 62
OIL FILTER 63
TRANSMISSION 65
CONTROL VALVE 73
SOLENOID VALVE 74
UPPER VALVE AND MAIN RELIEF VALVE 76
LOWER VALVE 78
PILOT OIL FILTER 80
PILOT REDUCING VALVE 81
PRIORITY VALVE 82
MODULATING VALVE AND QUICK RETURN VALVE 83
REDUCING VALVE 86
ACCUMULATOR VALVE 87
EMERGENCY MANUAL SPOOL 90
LUBRICATION BYPASS VALVE 91
HYDRAULIC CIRCUIT SCHEMATIC 92
TRANSFER 94
OUTLINE 94
PATH OF POWER 95
DRIVE SHAFTS 96
CENTER SUPPORT 97
CENTER HINGE PIN 98
AXLE 99
AXLE MOUNTING 99
FRONT AXLE 101
REAR AXLE 102
DIFFERENTIAL 103
FRONT DIFFERENTIAL 103
REAR DIFFERENTIAL 104
FINAL DRIVE 106
STEERING 108
STEERING PIPING 108
STEERING COLUMN 109
STEERING CONTROL VALVE 110
STEERING VALVE 113
OVERLOAD RELIEF VALVE 114
MAIN RELIEF VALVE 116
MAIN RELIEF VALVE CIRCUIT OPERATION 117
DEMAND VALVE CIRCUIT OPERATION 118
STEERING VALVE OPERATION 121
TURNING RIGHT 122
TURNING LEFT 123
TWO-WAY RESTRICTION VALVE 124
STOP VALVE 125
GROUND-DRIVEN STEERING 126
GROUND-DRIVEN STEERING PIPING (IF EQUIPPED) 126
DIVERTER VALVE 127
BRAKE SYSTEM 130
BRAKE PIPING 130
BRAKE CIRCUIT DIAGRAM 131
BRAKE VALVE 132
BRAKE VALVE (RIGHT) 132
BRAKE VALVE (LEFT) 133
CHARGE VALVE 137
ACCUMULATOR (FOR BRAKE) 141
SLACK ADJUSTER 142
BRAKE 144
PARKING BRAKE 146
PARKING BRAKE CALIPER 147
SPRING CYLINDER 148
PARKING BRAKE SOLENOID VALVE 149
HYDRAULIC PIPING 150
WORK EQUIPMENT 151
HYDRAULIC CIRCUIT DIAGRAM 151
LEVER LINKAGE 152
HYDRAULIC TANK 153
FILTER BYPASS VALVE 154
BREATHER 155
PPC SYSTEM 156
ACCUMULATOR (FOR PPC VALVE) 156
PPC VALVE 157
PPC RELIEF VALVE 161
CUT-OFF VALVE 162
MAIN CONTROL VALVE 164
2-SPOOL 164
3-SPOOL 166
MAIN RELIEF VALVE 168
SAFETY VALVE (WITH SUCTION) 169
SUCTION VALVE 170
FLOAT SELECTOR VALVE AND UNLOAD VALVE 171
BOOM AND BUCKET SPOOL HOLD POSITION 172
BOOM SPOOL AT RAISE POSITION 173
BOOM SPOOL AT LOWER POSITION 174
BOOM SPOOL AT FLOAT POSITION 175
BUCKET SPOOL AT DUMP POSITION 176
BUCKET SPOOL AT TILT POSITION 177
WORK EQUIPMENT – LUBRICATION 178
WORK EQUIPMENT – LINKAGE 180
BUCKET 182
BUCKET POSITIONER AND BOOM KICK-OUT 183
BUCKET POSITIONER 184
BOOM KICK-OUT 184
OPERATION 185
BOOM RAISE 185
BUCKET TILT 188
ROPS CANOPY 191
CAB 192
AIR CONDITIONER 193
AIR CONDITIONER PIPING 193
AIR CONDITIONER CONDENSER 194
AIR CONDITIONER COMPRESSOR 195
DRY RESERVOIR 196
ELECTRICAL 197
ELECTRIC CIRCUIT DIAGRAM 197
MACHINE MONITOR SYSTEM 202
MAIN MONITOR 203
MAIN MONITOR DISPLAY FUNCTION 204
MAIN MONITOR SWITCH FUNCTION 205
TROUBLE DATA DISPLAY MODE 206
MAINTENANCE MONITOR 207
MAINTENANCE MONITOR DISPLAY FUNCTION 208
ENGINE STARTING CIRCUIT 210
SAFETY RELAY 211
ENGINE STOP CIRCUIT 212
ETHER START CIRCUIT 213
ELECTRIC TRANSMISSION CONTROL 214
COMBINATION SWITCH 216
KICK-DOWN, HOLD SWITCH 218
KICK-DOWN SWITCH 218
HOLD SWITCH 218
KICK-DOWN ELECTRICAL CIRCUIT 219
NORMAL OPERATION 219
WHEN KICK-DOWN SWITCH IS OPERATED 220
OPERATION FOR CANCELING KICK-DOWN (directional lever is placed at N or R) 221
OPERATION FOR CANCELING KICK-DOWN (speed lever is at a position other than 2nd) 222
OPERATION FOR CANCELING KICK-DOWN (Parking brake is applied) 223
OPERATION FOR CANCELING KICK-DOWN (Starting switch is turned OFF) 224
ELECTRIC PARKING BRAKE 225
ELECTRIC PARKING BRAKE CONTROL 225
PARKING BRAKE SWITCH 226
PARKING BRAKE VALVE 227
PARKING SAFETY RELAY 227
NEUTRALIZER RELAY 227
EMERGENCY BRAKE SWITCH 227
OPERATION 228
STARTING SWITCH OFF 228
STARTING SWITCH ON 229
PARKING BRAKE SWITCH OFF (RELEASED) 231
PARKING BRAKE SWITCH ON (ACTUATED) 232
WHEN MAIN BRAKE OIL PRESSURE DROPS (EMERGENCY BRAKE ACTUATED) 233
ENGINE DIAGNOSTICS 234
EXPLANATION OF THE THREE ENGINE DIAGNOSTIC LIGHTS 234
ENGINE FAULT DIAGNOSTICS 235
FAULT CODES 236
20 TESTING, ADJUSTING AND TROUBLESHOOTING 239
STANDARD VALUE TABLE FOR ENGINE IN CHASSIS 241
STANDARD VALUE TABLE FOR CHASSIS 243
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM 246
TESTING AND ADJUSTING 255
SERVICE TOOLS FOR TESTING, ADJUSTING & TROUBLESHOOTING 257
MEASURING ENGINE SPEEDS 259
MEASURING ENGINE SPEED (LOW IDLE, HIGH IDLE) 259
MEASURING THE TORQUE CONVERTER STALL SPEED 260
MEASURING THE HYDRAULIC STALL SPEED 261
MEASURING THE TORQUE CONVERTER STALL SPEED + THE HYDRAULIC STALL SPEED 261
MEASURING INTAKE MANIFOLD PRESSURE 262
MEASURING INTAKE AIR RESTRICTION 263
MEASURING EXHAUST BACK PRESSURE 264
MEASURING BLOW-BY PRESSURE 265
MEASURING FUEL FILTER INLET RESTRICTION 266
MEASURING ENGINE LUBRICATING OIL PRESSURE 267
MEASURING COOLANT TEMPERATURE 268
MEASURING AND ADJUSTING VALVE CLEARANCE 269
ADJUSTING THE ALTERNATOR FAN BELT 270
BELT TENSION CHART 270
FAN BELT TENSIONER 271
ENGINE OIL PRESSURE 272
ENGINE OIL TEMPERATURE 273
MEASURING EXHAUST GAS COLOR 274
MEASURING WITH THE HANDY SMOKE CHECKER 274
MEASURING WITH A SMOKE METER 275
MEASURING THE ACCELERATOR PEDAL OPERATING FORCE 276
MEASURING THE TORQUE CONVERTER AND TRANSMISSION OIL PRESSURES 277
PREPARATORY WORK 277
LOCATION OF OIL PRESSURE MEASUREMENT PORTS 278
MAIN RELEIF PRESSURE (P6) 278
TORQUE CONVERTER RELIEF (INLET PORT) PRESSURE 279
TORQUE CONVERTER OUTLET PORT PRESSURE 279
MODULATION PRESSURE (P1) 280
REDUCING VALVE PRESSURE FOR 2ND CLUTCH (P3) 280
PILOT PRESSURE (P5) 281
LUBRICATING PRESSURE (P9) 281
FLUSHING THE TORQUE CONVERTER AND TRANSMISSION HYDRAULIC CIRCUIT 282
FLUSH THE HYDRAULIC CIRCUIT IF: 282
FLUSHING PROCEDURE 282
MOVING AND MACHINE WITH A FAILED TRANSMISSION VALVE 284
TESTING AND ADJUSTING THE STEERING WHEEL 287
MEASURING STEERING WHEEL PLAY 287
METHOD OF MEASUREMENT 287
MEASURING THE OPERATING FORCE OF THE STEERING WHEEL 287
MEASUREMENT METHOD 287
MEASURING THE STEERING WHEEL OPERATING TIME 288
MEASUREMENT METHOD 288
MEASURING AND ADJUSTING STEERING OIL PRESSURE 289
STEERING RELIEF VALVE PRESSURE 289
STEERING PILOT PRESSURE (ORBITROL VALVE) 290
ADJUSTING THE STEERING RELIEF VALVE 291
MEASURING AND ADJUSTING THE STEERING STOP VALVE 292
MEASURING THE FRAME STOPPER CLEARANCE 292
ADJUSTING THE CLEARANCE 293
MEASURING THE BRAKE PEDAL 294
PEDAL OPERATING FORCE 294
PEDAL TRAVEL 295
PEDAL PLAY 295
CHECKING THE BRAKE OIL PRESSURE 296
MEASURING THE BRAKE OIL PRESSURE 296
MEASURING THE DROP IN BRAKE PISTON PRESSURE 296
MEASURING BRAKE DISC WEAR 297
MEASUREMENT METHOD 297
CALCULATING THE PISTON STROKE 298
MEASURING BRAKE PERFORMANCE 299
CHECKING AND ADJUSTING THE PARKING BRAKE 300
MEASURING THE PARKING BRAKE PAD THICKNESS 300
MEASURING THE PAD-TO-DISC CLEARANCE 301
ADJUSTING THE PAD-TO-DISC CLEARANCE 302
TESTING AND ADJUSTING THE ACCUMULATOR CHARGE CUT-IN AND CUT-OUT PRESSURES 303
MEASURING 303
ADJUSTING 304
MEASURING AND ADJUSTING THE PPC OIL PRESSURE 305
MEASURING THE PPC VALVE SOURCE PRESSURE 305
MEASURING THE PPC VALVE OUTPUT PRESSURE 306
ADJUSTING THE PPC RELIEF VALVE 306
MEASURING THE BUCKET AND BOOM CONTROL LEVERS 308
DUMP AND LIFT CONTROL LEVER OPERATING FORCE 308
DUMP AND LIFT CONTROL LEVER TRAVEL 308
MEASURING THE WORK EQUIPMENT OPERATING SPEEDS 309
LIFTING TIME OF LIFT ARM 309
LOWERING THE TIME OF THE LIFT ARM 309
DUMPING TIME OF THE BUCKET 309
TILT-BACK TIME OF BUCKET 310
MEASURING THE WORK EQUIPMENT HYDRAULIC DRIFT 311
MEASURING AND ADJUSTING THE WORK EQUIPMENT HYDRAULIC PRESSURE 312
MEASURING THE RELIEF PRESSURE 312
ADJUSTING THE WORK EQUIPMENT RELIEF VALVE 313
ADJUSTING THE WORK EQUIPMENT LEVER LINKAGE 314
PPC VALVE LINKAGE 314
WORK EQUIPMENT LINKAGE 315
SOLENOID INSTALLATION 316
TESTING AND ADJUSTING THE BUCKET POSITIONER 317
TESTING 317
ADJUSTING 317
TESTING AND ADJUSTING THE BOOM KICKOUT 319
TESTING 319
ADJUSTING 319
TESTING THE PROXIMITY SWITCH ACTUATION PILOT LAMP 320
ADJUSTING THE MACHINE MONITOR (SPEEDOMETER MODULE) 321
PREADJUSTMENT PROCEDURE 321
SETTING THE MACHINE MODEL 322
ADJUSTING THE ECSS 322
BLEEDING AIR 323
BLEEDING THE BRAKE LINES AND WHEEL CYLINDERS 323
BLEEDING THE HYDRAULIC CYLINDERS 324
RELIEVING REMAINING HYDRAULIC PRESSURE 325
PRESSURE BETWEEN EACH HYDRAULIC CYLINDER AND CONTROL VALVE 325
PRESSURE IN THE BRAKE ACCUMULATOR CIRCUIT 325
PRESSURE IN THE PPC ACCUMULATOR CIRCUIT 325
WHEELS AND TIRES 326
TROUBLESHOOTING: GENERAL INFORMATION 327
POINTS TO REMEMBER WHEN TROUBLESHOOTING 328
SEQUENCE OF EVENTS IN TROUBLESHOOTING 329
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE 330
PRECAUTIONS WHEN HANDLING ELECTRIC EQUIPMENT 330
POINTS TO REMEMBER WHEN TROUBLESHOOTING ELECTRIC CIRCUITS 335
POINTS TO REMEMBER WHEN HANDLING HYDRAULIC EQUIPMENT 336
CHECKS BEFORE TROUBLESHOOTING 338
CONNECTOR TYPES AND MOUNTING LOCATIONS 339
CONNECTOR ARRANGEMENT DIAGRAM 1 348
CONNECTOR ARRANGEMENT DIAGRAM 2 349
CONNECTOR ARRANGEMENT DIAGRAM 3 350
CONNECTOR ARRANGEMENT DIAGRAM 4 351
CHART OF CONNECTORS AND PIN NUMBERS 352
X-TYPE CONNECTOR 352
SWP-TYPE CONNECTOR 353
M-TYPE CONNECTOR 354
S-TYPE CONNECTOR 355
AMP040-TYPE CONNECTOR 356
AUTOMOBILE-TYPE CONNECTOR 357
MIC-TYPE CONNECTOR 358
L-TYPE, PA-TYPE AND BENDIX-TYPE CONNECTORS 359
RELAY CONNECTOR-SOCKET 360
METRI-PACK CONNECTORS 361
BENDIX CONNECTORS, RELAY CONNECTORS 362
METHOD OF USING TROUBLESHOOTING CHARTS 363
TROUBLESHOOTING CODE NUMBER CATEGORIES 363
METHOD OF USING TROUBLESHOOTING TABLE FOR EACH TROUBLSHOOTING MODE 363
EXAMPLE OF A TYPICAL TROUBLSHOOTING PAGE 364
METHOD OF USING MATRIX TROUBLESHOOTING TABLES 365
TROUBLESHOOTING THE TRANSMISSION CONTROLLER SYSTEM (T MODE) 367
JUDGEMENT TABLE FOR TRANSMISSION CONTROLLER SYSTEM-RELATED PARTS 369
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE 370
ELECTRICAL CIRCUIT DIAGRAM FOR TRANSMISSION CONTROLLER SYSTEM 374
T-1 FAILURE CODE [10] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN BACKUP LAMP RELAY) IS DISPLAYED 376
RELATED ELECTRICAL CIRCUIT DIAGRAM 376
T-2 FAILURE CODE [12] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN F SOLENOID) IS DISPLAYED 377
RELATED ELECTRICAL CIRCUIT DIAGRAM 377
T-3 FAILURE CODE [13] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN R SOLENOID) IS DISPLAYED 378
RELATED ELECTRICAL CIRCUIT DIAGRAM 378
T-4 FAILURE CODE [14] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 1ST SOLENOID) IS DISPLAYED 379
RELATED ELECTRICAL CIRCUIT DIAGRAM 379
T-5 FAILURE CODE [154] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 2ND SOLENOID) IS DISPLAYED 380
RELATED ELECTRICAL CIRCUIT DIAGRAM 380
T-6 FAILURE CODE [16] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 3RD SOLENOID) IS DISPLAYED 381
RELATED ELECTRICAL CIRCUIT DIAGRAM 381
T-7 FAILURE CODE [17] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 4TH SOLENOID) IS DISPLAYED 382
RELATED ELECTRICAL CIRCUIT DIAGRAM 382
T-8 FAILURE CODE [18] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK DIRECTIONAL SWITCH SYSTEM) IS DISPLAYED 383
RELATED ELECTRICAL CIRCUIT DIAGRAM 383
T-9 FAILURE CODE [20] (SHORT CIRCUIT, DISCONNECTION IN DIRECTIONAL SWITCH SYSTEM) IS DISPLAYED 384
RELATED ELECTRICAL CIRCUIT DIAGRAM 386
T-10 FAILURE CODE [21] (SHORT CIRCUIT, DISCONNECTION IN RANGE SWITCH SYSTEM) IS DISPLAYED 388
RELATED ELECTRICAL CIRCUIT DIAGRAM 390
T-11 FAILURE CODE [22] (DISCONNECTION IN TRAVEL SPEED SENSOR) IS DISPLAYED 392
RELATED ELECTRICAL CIRCUIT DIAGRAM 392
T-12 FAILURE CODE [23] (SHORT CIRCUIT, DISCONNECTION IN ENGINE SPEED SENSOR SYSTEM) IS DISPLAYED 393
RELATED ELECTRICAL CIRCUIT DIAGRAM 393
T-13 SHIFT-UP SIGNAL SYSTEM (JOYSTICK (OP) MANUAL SHIFT) AND HOLD SIGNAL SYSTEM (AUTO-SHIFT) (OP)) 394
T-14 KICK-DOWN SIGNAL SYSTEM AND SHIFT-DOWN SIGNAL SYSTEM (JOYSTICK (OP) MANUAL SHIFT) 394
T-13 & T-14 RELATED ELECTRICAL CIRCUIT DIAGRAM 394
T-15 TRANSMISSION CUT-OFF SIGNAL SYSTEM 395
RELATED ELECTRICAL CIRCUIT DIAGRAM 395
T-16 NEUTRALIZER SIGNAL SYSTEM 396
RELATED ELECTRICAL CIRCUIT DIAGRAM 396
T-17 BUZZER SIGNAL SYSTEM 397
RELATED ELECTRICAL CIRCUIT DIAGRAM 397
T-18 NETWORK SYSTEM 398
RELATED ELECTRICAL CIRCUIT DIAGRAM 398
T-19 TRANSMISSION CONTROLLER POWER SOURCE SYSTEM 399
RELATED ELECTRICAL CIRCUIT DIAGRAM 399
T-20 SHORT CIRCUIT IN TRAVEL SPEED SENSOR SYSTEM 400
RELATED ELECTRICAL CIRCUIT DIAGRAM 400
T-21 ABNORMALITY IN MACHINE SELECTION WIRING HARNESS 401
RELATED ELECTRICAL CIRCUIT DIAGRAM 401
TROUBLESHOOTING THE MAIN MONITOR SYSTEM (M MODE) 403
MAIN MONITOR AND ELECTRICAL CIRCUIT DIAGRAM 406
LAMP AND HORN ELECTRICAL CIRCUIT DIAGRAM 408
M-1 MAIN MONITOR DOES NOT WORK 409
RELATED ELECTRICAL CIRCUIT DIAGRAM 409
M-2 ALL LAMPS STAY ON WHEN STARTING SWITCH IS TURNED TO ON AND ENGINE IS STARTED IMMEDIATELY 410
RELATED ELECTRICAL CIRCUIT DIAGRAM 410
M-3 SPEEDOMETER DOESN’T DISPLAY PROPERLY 411
RELATED ELECTRICAL CIRCUIT DIAGRAM 411
M-4 ABNORMALITY IN SHIFT INDICATOR 412
A) DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT F 412
B) DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT R 412
C) DOES NOT DISPLAY N EVEN WHEN DIRECTIONAL LEVER IS AT N 412
D) DOES NOT DISPLAY 1ST EVEN WHEN SPEED CONTROLLER IS AT 1ST 413
E) DOES NOT DISPLAY 2ND EVEN WHEN SPEED CONTROLLER IS AT 2ND 413
F) DOES NOT DISPLAY 3RD EVEN WHEN SPEED CONTROLLER IS AT 3RD 413
G) DOES NOT DISPLAY 4RH EVEN WHEN SPEED CONTROLLER IS AT 4TH 413
RELATED ELECTRICAL CIRCUIT DIAGRAM 414
M-5 HIGH BEAM DISPLAY DOES NOT LIGHT 415
RELATED ELECTRICAL CIRCUIT DIAGRAM 415
M-6 TURN SIGNAL DISPLAY DOES NOT LIGHT 416
A) LEFT-HAND TURN SIGNAL DOES NOT LIGHT 416
B) RIGHT-HAND TURN SIGNAL DOES NOT LIGHT 416
C) RELATED ELECTRICAL CIRCUIT DIAGRAM 416
M-7 ABNORMALITY IN PARKING LAMP DISPLAY 417
A) PARKING LAMP DISPLAY DOES NOT LIGHT 417
B) PARKING LAMP DISPLAY STAYS ON 417
C) RELATED ELECTRICAL CIRCUIT DIAGRAM 417
M-9 MONITOR NIGHT LIGHTING DOES NOT WORK 419
RELATED ELECTRICAL CIRCUIT DIAGRAM 419
M-10 ABNORMALITY IN FRONT WORK LAMP 420
A) NEITHER THE MONITOR DISPLAY NOR THE FRONT WORK LAMP LIGHT 420
B) WORK LAMP LIGHTS BUT MONITOR DISPLAY DOES NOT LIGHT 420
C) MONITOR DISPLAY LIGHTS BUT WORK LAMP DOES NOT LIGHT 420
RELATED ELECTRICAL CIRCUIT DIAGRAM 421
M-11 ABNORMALITY IN REAR WORK LAMP 422
A) NEITHER THE MONITOR DISPLAY NOR THE REAR WORK LAMP LIGHT 422
B) WORK LAMP LIGHTS BUT MONITOR DISPLAY DOES NOT LIGHT 422
C) MONITOR DISPLAY LIGHTS BUT WORK LAMP DOES NOT LIGHT 422
D) RELATED ELECTRICAL CIRCUIT DIAGRAM 423
M-12 ABNORMALITY IN TRANSMISSION CUT-OFF 424
A) TRANSMISSION CUT-OFF FUNCTION IS NOT SWITCHED AND DISPLAY DOES NOT CHANGE WHEN CUT-OFF SWITCH IS PRESSED 424
B) CUT-OFF FUNCTION ALWAYS ACTUATED EVEN WITH CUT-OFF SWITCH TURNED OFF 424
C) CUT-OFF FUNCTION DOES NOT ACTUATE WHEN CUT-OFF SWITCH IS TURNED ON 425
D) RELATED ELECTRICAL CIRCUIT DIAGRAM 425
M-13 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING 426
A) WHEN PARKING BRAKE IS APPLIED, THE BUZZER SOUNDS INTERMITTENTLY AND THE CAUTION LAMP FLASHES EVEN WITH THE DIRECTIONAL LE 426
B) WHEN PARKING BRAKE IS APPLIED, THE BUZZER DOES NOT SOUND AND THE CAUTION LAMP DOES NOT LIGHT EVEN WITH THE DIRECTIONAL LE 426
C) RELATED ELECTRICAL CIRCUIT DIAGRAM 426
M-14 WHEN PARKING BRAKE DRAGGING WARNING IS GIVEN, BUZZER AND CAUTION LAMP REMAIN ON CONTINUOUSLY OR DO NOT WORK AT ALL 427
A) ACTUATED CONTINUOUSLY 427
B) NOT ACTUATED AT ALL 427
C) RELATED ELECTRICAL CIRCUIT DIAGRAM 427
M-15 ABNORMALITY IN BUZZER 428
A) BUZZER DOES NOT SOUND FOR 3 SECONDS DURING SELF-CHECK WHEN STARTING SWITCH TURNED TO ON 428
B) BUZZER ALWAYS SOUNDS 428
C) RELATED ELECTRICAL CIRCUIT DIAGRAM 428
M-16 CONDITION OF MONITOR SWITCHES NOT STORED IN MEMORY 429
RELATED ELECTRICAL CIRCUIT DIAGRAM 429
M-17 ABNORMALITY IN FAILURE DISPLAY MODE 430
A) FAILURE DISPLAY MODE DOES NOT WORK 430
B) COUNT FOR TIME ELAPSED SINCE LAST FAILURE DISPLAY MODE DOES NOT ADVANCE 430
C) RELATED ELECTRICAL CIRCUIT DIAGRAM 430
M-18 ABNORMALITY IN GROUND-DRIVEN STEERING DISPLAY 431
A) GROUND-DRIVEN STEERING DISPLAY DOES NOT FLASH 431
B) GROUND-DRIVEN STEERING DISPLAY FLASHES ALL THE TIME 431
C) RELATED ELECTRICAL CIRCUIT DIAGRAM 431
TROUBLESHOOTING THE MAINTENANCE MONITOR SYSTEM (K MODE) 433
MAINTENANCE MONITOR ELECTRICAL CIRCUIT DIAGRAM 436
K-1 WITH STARTING SWITCH TURNED ON, NO DISPLAYS APPEAR FOR 3 SECONDS; MAINTENANCE MONITOR DOES NOT WORK 438
A) NO MAINTENANCE MONITOR LAMPS LIGHT UP 438
B) SOME LAMPS DO NOT LIGHT 438
K-2 ALL MAINTENANCE MONITOR LAMPS REMAIN LIT EVEN AFTER 3 SECONDS WITH STARTING SWITCH TURNED ON 439
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-1 AND K-2 439
K-3 WHEN ENGINE IS STARTED IMMEDIATELY AFTER STARTING SWITCH IS TURNED ON WITHIN 3 SECONDS, NO MAINTENANCE MONITOR LAMPS GO 440
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-3 440
K-4 CHECK ITEM DISPLAY FLASHES WITH ENGINE STOPPED AND STARTING SWITCH TURNED TO ON 442
A) ENGINE OIL LEVEL DISPLAY FLASHES 442
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-4A) 442
B) ENGINE COOLANT LEVEL DISPLAY FLASHES 443
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-4B) 443
K-5 CAUTION ITEM DISPLAY FLASHES WITH ENGINE STOPPED AND STARTED SWITCH TURNED TO ON 444
A) ENGINE OIL PRESSURE DISPLAY FLASHES 444
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-5A) 444
B) BATTERY CHARGE LEVEL DISPLAY FLASHES 445
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-5B) 445
C) BRAKE OIL PRESSURE DISPLAY FLASHES 446
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-5C) 446
D) AIR CLEANER CLOGGED DISPLAY FLASHES 447
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-5D) 447
K-6 CAUTION ITEM DISPLAY FLASHES, BUT CAUTION BUZZER DOES NOT SOUND 448
RELATED ELECTRICAL CIRCUIT DIAGRAM 448
K-7 NO MONITOR DISPLAY LIGHTS, BUT CAUTION BUZZER DOES SOUND 449
RELATED ELECTRICAL CIRCUIT DIAGRAM 449
K-8 CAUTION ITEM DISPLAY FLASHES, BUT CENTRAL CHECK LAMP OR CENTRAL CAUTION LAMP DOES NOT FLASH 450
A) CHECK LAMP 450
B) CAUTION LAMP 450
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-8A) AND B) 450
K-9 NO MAINTENANCE MONITOR DISPLAY LIGHTS UP, BUT CENTRAL CHECK LAMP OR CENTRAL CAUTION LAMP DOES LIGHT LIGHT UP 451
A) CHECK LAMP 451
B) CAUTION LAMP 451
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-9A) AND B) 451
K-10 ONLY NIGHT LIGHTING OF MONITOR STAYS OFF WHEN LAMP SWITCH IS TURNED ON 452
RELATED ELECTRICAL CIRCUIT DIAGRAM 452
K-11 NIGHT LIGHTING OF MONITOR LIGHTS EVEN WITH LAMP SWITCH OFF 453
RELATED ELECTRICAL CIRCUIT DIAGRAM 453
K-12 SERVICE METER DOES NOT WORK 454
K-13 SERVICE METER RUNS EVEN WITH ENGINE STOPPED 454
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-12 AND K-13 454
K-14 ABNORMALITY IN GUAGES 456
A) ABNORMALITY IN FUEL GAUGE 456
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-14A) 456
B) ABNORMALITY IN ENGINE COOLANT TEMPERATURE GAUGE 457
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-14B) 457
C) ABNORMALITY IN TORQUE CONVERTER OIL TEMPERATURE GAUGE 458
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR K-14C) 458
TROUBLESHOOTING THE ELECTRICAL SYSTEM (E MODE) 459
POWER SUPPLY, ENGINE STARTING, ENGINE STOPPING AND ETHER INJECTION ELECTRICAL CIRCUIT DIAGRAM 461
TRANSMISSION AND PARKING BRAKE ELECTRICAL CIRCUIT DIAGRAM 462
LAMP AND HORN ELECTRICAL CIRCUIT DIAGRAM 463
BOOM KICK-OUT AND BUCKET POSITIONER ELECTRICAL CIRCUIT DIAGRAM 464
E-1 ENGINE DOES NOT START 466
A) STARTING MOTOR DOES NOT WORK 466
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-1A) 470
B) INSPECTION OF BATTERY, BATTERY RELAY AND STARTING SWITCH 471
E-2 ENGINE DOES NOT STOP 472
E-3 ENGINE STOPS WHILE MACHINE IS TRAVELLING 473
E-5 PARKING BRAKE DOES NOT WORK 475
A) PARKING BRAKE DOES NOT WORK WHEN PARKING SWITCH IS TURNED ON 475
B) PARKING BRAKE HAS NO EFFECT AND DOES NOT WORK AS EMERGENCY BRAKE WHEN PARKING BRAKE PRESSURE DROPS 475
E-6 PARKING BRAKE ACTIVATES WHILE MACHINE IS TRAVELLING 476
E-7 PARKING BRAKE RELEASES WHEN STARTING SWITCH TURNED TO ON 478
E-8 PARKING BRAKE WORKS NORMALLY, BUT TRANSMISSION DOES NOT CHANGE TO NEUTRAL WHEN PARKING BRAKE IS APPLIED 478
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-5, E-6 AND E-7 479
E-9 TRANSMISSION DOES NOT WORK PROPERLY 480
A) ABNORMALITY IN PARKING BRAKE CIRCUIT, TRANSMISSION CUT-OFF SWITCH OR NEUTRALIZER RELAY CIRCUIT 482
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-9A) 484
B) NO CONTINUITY IN TRAVEL FORWARD SOLENOID CIRCUIT 486
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-9) 486
C) NO CONTINUITY IN TRAVEL REVERSE SOLENOID CIRCUIT 488
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-9C) 488
D) SHORT CIRCUIT TO CHASSIS GROUND IN DIRECTIONAL SOLENOID CIRCUIT 490
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-9D) 494
E) ABNORMALITY IN SHIFT SOLENOID CIRCUIT 496
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-9E) 498
F) SHORT CIRCUIT TO CHASSIS GROUND IN SHIFT SOLENOID CIRCUIT 499
1 SHORT CIRCUIT TO CHASSIS GROUND IN 1ST SOLENOID SWITCH 499
2 SHORT CIRCUIT TO CHASSIS GROUND IN 2ND SOLENOID CIRCUIT 500
3 SHORT CIRCUIT TO GROUND CHASSIS IN 3RD SOLENOID CIRCUIT 501
4 SHORT CIRCUIT TO CHASSIS GROUND IN 4TH SOLENOID CIRCUIT 502
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-9F) 503
E-10 KICK-DOWN SWITCH DOES NOT WORK 504
RELATED CIRCUIT DIAGRAM FOR E-10 506
E-11 KICK-DOWN SWITCH WORKS ONLY WHEN KICK-DOWN SWITCH IS BEING TURNED ON 507
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-11 507
E-12 KICK-DOWN SWITCH WORKS IN ALL GEARS 508
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-12 509
D-13 KICK-DOWN SWITCH WORKS EVEN WHEN TRAVELLING FORWARD IN 2ND GEAR 510
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-13 511
E-14 BOOM KICK-OUT DOES NOT WORK 512
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-14 514
E-15 DEFECTIVE BUCKET POSITIONER 516
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-15 518
E-16 POWER WINDOW DOES NOT WORK 519
A) POWER WINDOW DOES NOT RISE 519
B) POWER WINDOW DOES NOT LOWER 520
RELATED ELECTRICAL CIRCUIT DIAGRAM FOR E-16 521
E-17 ABNORMALITY IN FRONT WORK LAMP 522
E-18 ABNORMALITY IN REAR WORK LAMP 522
E-19 ABNORMALITY IN TRANSMISSION CUT-OFF 522
E-20 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING 522
ABNORMALITY IN BUZZER 522
TROUBLESHOOTING THE HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) 523
H-1 MACHINE WON’T START 525
ASK THE OPERATOR THE FOLLOWING QUESTIONS: 525
CHECKS BEFORE TROUBLESHOOTING 525
H-2 TRAVEL SPEED IS SLOW, MACHINE LACKS POWER IN ALL SPEED RANGES 526
CHECKING FOR ABNORMALITIES 526
CHECKS BEFORE TROUBLESHOOTING 526
H-3 EXCESSIVE TIME LAG WHEN STARTING ENGINE OR SHIFTING GEARS 527
ASK EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 527
CHECKS BEFORE TROUBLESHOOTING 527
H-4 TORQUE CONVERTER OIL TEMPERATURE IS HIGH 528
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 528
CHECKS BEFORE TROUBLESHOOTING 528
CHECKING FOR ABNORMALITIES 528
H-5 STEERING WHEEL DOES NOT TURN 529
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 529
CHECKS BEFORE TROUBLESHOOTING 529
H-6 POOR TURNING AND STEERING RESPONSE 530
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 530
CHECKS BEFORE TROUBLESHOOTING 530
H-7 STEERING IS HEAVY 531
CHECKING FOR ABNORMALITIES 531
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 531
CHECKS BEFORE TROUBLESHOOTING 531
H-8 STEERING WHEEL SHAKES OR JERKS 532
CHECKING FOR ABNORMALITIES 532
CHECKS BEFORE TROUBLESHOOTING 532
H-9 TURNING RADIUS IS DIFFERENT BETWEEN LEFT AND RIGHT AT MAXIMUM STEERING 532
H-10 WHEEL BRAKES DO NOT WORK OR BRAKING EFFECT IS POOR 533
CHECKING FOR ABNORMALITIES 533
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 533
CHECKS BEFORE TROUBLESHOOTING 533
H-11 WHEEL BRAKES DO NOT RELEASE OR BRAKES DRAG 535
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 535
CHECKS BEFORE TROUBLESHOOTING 535
H-12 PARKING BRAKE DOES NOT WORK OR BRAKING EFFECT IS POOR 536
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 536
H-13 PARKING BRAKE DOES NOT RELEASE OR DRAGS 537
CHECK BEFORE TROUBLESHOOTING 537
H-14 NEITHER THE BOOM NOR BUCKET MOVE 538
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 538
CHECKS BEFORE TROUBLESHOOTING 538
H-15 BOTH THE BOOM AND BUCKET ARE SLOW OR LACK POWER 539
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 539
H-16 BOOM DOES NOT MOVE 540
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 540
H-17 BOOM IS SLOW OR LACKS POWER 541
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 541
H-18 BOOM CANNOT BE SET TO FLOAT OR CANNOT BE RELEASED FROM FLOAT 542
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 542
CHECKS BEFORE TROUBLESHOOTING 542
H-19 BOOM DROPS MOMENTARILY WHEN CONTROL LEVER IS MOVED FROM HOLD TO RAISE 542
CHECKING FOR ABNORMALITIES 542
CAUSES AND REMEDY 542
H-20 EXCESSIVE HYDRAULIC DRIFT OF BOOM 543
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 543
H-21 BUCKET DOES NOT MOVE 544
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 544
H-22 BUCKET IS SLOW OR LACKS POWER 545
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 545
H-23 EXCESSIVE HYDRAULIC DRIFT OF BUCKET 546
ASK THE EQUIPMENT OPERATOR THE FOLLOWING QUESTIONS 546
TROUBLESHOOTING THE JOYSTICK STEERING CONTROLLER SYSTEM (J MODE) 547
JUDGEMENT TABLE FOR JOYSTICK CONTROLLER SYSTEM-RELATED PARTS 548
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY AND PROBLEMS OCCUR ON MACHINE 550
ELECTRICAL CIRCUIT DIAGRAM FOR JOYSTICK STEERING SYSTEM 554
J-1 FAILURE CODE [56] (SHORT CIRCUIT, DISCONNECTION IN CAUTION RELAY OUTPUT) IS DISPLAYED 556
RELATED ELECTRICAL CIRCUIT DIAGRAM 556
J-2 FAILURE CODE [57] (SHORT CIRCUIT IN STEERING RIGHT SOLENOID – DETECTED WHEN SIGNAL IS OUTPUT) IS DISPLAYED 557
RELATED ELECTRICAL CIRCUIT DIAGRAM 557
J-3 FAILURE CODE [58] (SHORT CIRCUIT IN STEERING LEFT SOLENOID – DETECTED WHEN SIGNAL IS OUTPUT) IS DISPLAYED 558
RELATED ELECTRICAL CIRCUIT DIAGRAM 558
J-4 FAILURE CODE [59] (SHORT CIRCUIT IN STEERING RIGHT SOLENOID – POWER SUPPLY SIDE) IS DISPLAYED 559
RELATED ELECTRICAL CIRCUIT DIAGRAM 559
J-5 FAILURE CODE [60] (SHORT CIRCUIT IN STEERING LEFT SOLENOID – POWER SUPPLY SIDE) IS DISPLAYED 560
RELATED ELECTRICAL CIRCUIT DIAGRAM 560
J-6 FAILURE CODE [61] (SHORT CIRCUIT, DISCONNECTION IN STEERING SOLENOID CUT RELAY) IS DISPLAYED 561
RELATED ELECTRICAL CIRCUIT DIAGRAM 561
J-7 FAILURE CODE [62] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK STEERING NEUTRAL CIRCUIT) IS DISPLAYED 562
RELATED ELECTRICAL CIRCUIT DIAGRAM 562
J-8 FAILURE CODE [63] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK STEERING LEVER POTENTIOMETER) IS DISPLAYED 563
RELATED ELECTRICAL CIRCUIT DIAGRAM 563
J-9 ABNORMALITY IN POWER SUPPLY, POWER SUPPLY VOLTAGE 564
RELATED ELECTRICAL CIRCUIT DIAGRAM 564
J-10 ABNORMALITY IN JOYSTICK STEERING ON-OFF CIRCUIT 565
RELATED ELECTRICAL CIRCUIT DIAGRAM 565
J-11 DISCONNECTION IN STEERING RIGHT SOLENOID 566
RELATED ELECTRICAL CIRCUIT DIAGRAM 566
J-12 DISCONNECTION IN STEERING LEFT SOLENOID 567
RELATED ELECTRICAL CIRCUIT DIAGRAM 567
30 DISASSEMBLY AND ASSEMBLY 569
HOW TO USE THIS MANUAL 574
REMOVAL AND INSTALLATION PROCEDURES 574
GENERAL PRECAUTIONS 574
SPECIAL TOOLS 574
PRECAUTIONS WHEN CARRYING OUT THESE OPERATIONS 575
PRECAUTIONS FOR REMOVAL PROCEDURES 575
PRECAUTIONS WHEN CARRYING OUT INSTALLATION WORK 576
PRECAUTIONS WHEN COMPLETING THE OPERATIONS 577
SPECIAL TOOL LIST 578
ILLUSTRATIONS OF SPECIAL TOOLS 586
STARTING MOTOR 594
ALTERNATOR 595
ENGINE OIL COOLER 596
FUEL INJECTION PUMP 597
WATER PUMP 598
NOZZLE HOLDER 599
TURBOCHARGER 600
RADIATOR 601
REMOVAL 601
INSTALLATION 603
ENGINE AND TORQUE CONVERTER ASSEMBLY 604
TORQUE CONVERTER 606
REMOVAL 606
INSTALLATION 607
DISASSEMBLY 608
ASSEMBLY 613
TRANSMISSION 620
REMOVAL 620
INSTALLATION 622
DISASSEMBLY 624
ASSEMBLY 639
TRANSMISSION VALVE 656
REMOVAL 656
INSTALLATION 657
TRANSFER 658
DISASSEMBLY 658
ASSEMBLY 666
CENTER SUPPORT 678
REMOVAL 678
INSTALLATION 679
DISASSEMBLY 679
ASSEMBLY 681
DRIVE SHAFT 684
DISASSEMBLY 684
REASSEMBLY 686
FRONT AXLE 690
REMOVAL 690
INSTALLATION 691
FRONT DIFFERENTIAL 692
REMOVAL 692
INSTALLATION 693
REAR AXLE 694
REMOVAL 694
INSTALLATION 697
REAR DIFFERENTIAL 698
REMOVAL 698
INSTALLATION 699
DIFFERENTIAL GEAR ASSEMBLY 700
DISASSEMBLY 700
ASSEMBLY 704
FINAL DRIVE 712
REMOVAL 712
INSTALLATION 714
STEERING CONTROL VALVE 718
REMOVAL 718
INSTALLATION 719
STEERING CYLINDER 720
REMOVAL 720
INSTALLATION 721
DISASSEMBLY 722
ASSEMBLY 723
STEERING VALVE 726
REMOVAL 726
INSTALLATION 727
CUT-OFF VALVE 728
REMOVAL 728
INSTALLATION 728
BRAKE VALVE 730
REMOVAL 730
INSTALLATION 731
BRAKE VALVE (RIGHT SIDE) 732
DISASSEMBLY 732
ASSEMBLY 734
BRAKE VALVE (LEFT SIDE) 736
DISASSEMBLY 736
ASSEMBLY 738
SLACK ADJUSTER 740
REMOVAL 740
INSTALLATION 740
DISASSEMBLY 741
ASSEMBLY 742
BRAKE 744
REMOVAL 744
INSTALLATION 745
DISASSEMBLY (FRONT OR REAR) 746
ASSEMBLY (FRONT OR REAR) 748
HYDRAULIC PUMP 752
REMOVAL 752
INSTALLATION 753
HYDRAULIC TANK 754
REMOVAL 754
INSTALLATION 755
HYDRAULIC FILTER 756
REMOVAL 756
INSTALLATION 757
PPC VALVE 758
REMOVAL 758
INSTALLATION 759
DISASSEMBLY 760
ASSEMBLY 760
WORK EQUIPMENT VALVE 762
REMOVAL 762
INSTALLATION 763
MAIN CONTROL VALVE 764
DISASSEMBLY 765
ASSEMBLY 768
DUMP CYLINDER 770
REMOVAL 770
INSTALLATION 771
LIFT CYLINDER 772
REMOVAL 772
INSTALLATION 773
LIFT CYLINDER AND DUMP CYLINDER 774
DISASSEMBLY 774
ASSEMBLY 776
CENTER HINGE PIN 780
REMOVAL 780
INSTALLATION 785
WORK EQUIPMENT 788
REMOVAL 788
INSTALLATION 792
BULKHEAD 794
REMOVAL 794
INSTALLATION 795
FLOOR FRAME 796
REMOVAL 796
INSTALLATION 798
COUNTERWEIGHT 800
REMOVAL 800
INSTALLATION 800
FUEL TANK 802
REMOVAL 802
INSTALLATION 803
CAB 804
REMOVAL 804
INSTALLATION 806
STOP VALVE 807
REMOVAL 807
INSTALLATION 807
ACCUMULATOR 808
REMOVAL 808
INSTALLATION 809
ACCUMULATOR CHARGE VALVE 810
REMOVAL 810
INSTALLATION 810
PARKING BRAKE SOLENOID VALVE 811
REMOVAL 811
INSTALLATION 811
DIVERTER VALVE 812
REMOVAL 812
INSTALLATION 813
GROUND-DRIVEN STEERING PUMP 814
REMOVAL 814
INSTALLATION 815
PARKING BRAKE 816
REMOVAL 816
INSTALLATION 817
PARKING BRAKE CALIPERS 818
DISASSEMBLY 818
ASSEMBLY 819
PARKING BRAKE PAD 820
REMOVAL 820
INSTALLATION 821
REAR TIRES 822
REMOVAL 822
INSTALLATION 822
AIR CONDITIONER COMPRESSOR 823
REMOVAL 823
INSTALLATION 823
AIR CONDITIONER CONDENSER 824
REMOVAL 824
INSTALLATION 825
RECEIVER TANK 826
REMOVAL 826
INSTALLATION 826
AIR CONDITIONER UNIT 828
REMOVAL 828
INSTALLATION 829
MONITOR 830
REMOVAL 830
INSTALLATION 831
40 MAINTENANCE STANDARD 833
ENGINE MOUNT 835
TRANSMISSION MOUNT 836
TORQUE CONVERTER 837
TORQUE CONVERTER REGULATOR VALVE 839
TRANSMISSION 840
CLUTCHES 840
GEAR BACKLASH 842
TRANSMISSION CONTROL VALVE 843
UPPER VALVE 843
RELIEF VALVE 843
LOWER VALVE 845
SOLENOID VALVE 847
TRANSFER 848
DRIVE SHAFT 850
CENTER SUPPORT 852
CENTER HINGE PIN 853
AXLE MOUNT 856
DIFFERENTIAL 858
GEAR AND PINION 858
BOLT TORQUE 860
FINAL DRIVE 862
STEERING 864
STEERING COLUMN 864
STEERING VALVE 866
GROUND-DRIVEN STEERING PUMP 867
DIVERTER VALVE 868
STEERING CYLINDER MOUNT 869
BRAKES 870
BRAKE VALVE – LEFT 870
BRAKE VALVE – RIGHT 872
SLACK ADJUSTER 874
BRAKE 875
PARKING BRAKE 877
HYDRAULICS 878
TORQUE CONVERTER CHARGING PUMP AND PPC PUMP 878
WORK EQUIPMENT PUMPS 1 AND 2 879
STEERING PUMP AND SWITCH PUMP 880
PPC VALVE FOR BOOM AND BUCKET 881
PPC VALVE FOR ATTACHMENT 882
CUT-OFF VALVE 883
MAIN CONTROL VALVE 884
STEERING CYLINDER 886
BUCKET CYLINDER 887
BOOM CYLINDER 888
WORK EQUIPMENT 889
WORK EQUIPMENT LINKAGE 889
BUCKET 891
BUCKET POSITIONER AND BOOM KICK-OUT 892
ROPS CANOPY 893

DESCRIPTION:

Komatsu WA600-3L Wheel Loader Shop Manual CEBM002801 – PDF DOWNLOAD

• SERIAL NUMBERS WA600-3L – A52001 and up

G.B  14/12/24