Komatsu WA400-1 Wheel Loader Shop Manual SEBM04240106 PDF

Description

Komatsu WA400-1 Wheel Loader Shop Manual SEBM04240106 – PDF DOWNLOAD

FILE DETAILS:

Komatsu WA400-1 Wheel Loader Shop Manual SEBM04240106 – PDF DOWNLOAD 

Language : English
Pages : 780
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Komatsu WA400-1 Wheel Loader Shop Manual SEBM04240106 – PDF DOWNLOAD 

COVER 1
CONTENTS 2
01 GENERAL 15
GENERAL VIEW 16
GENERAL ASSEMBLY DRAWING 17
SPECIFICATIONS 18
ENGINE ASSEMBLY DRAWING 21
ENGINE SPECIFICATIONS 22
WEIGHT TABLE 23
TABLE OF OIL AND COOLANT QUANTITIES 24
LOCATION OF SERIAL NUMBERS 25
10 ENGINE 26
11 STRUCTURE AND FUNCTION 26
ENGINE MOUNT 27
RADIATOR 28
FUEL TANK AND PIPING 29
ENGINE CONTROL 30
12 TESTING AND ADJUSTING 31
STANDARD VALUE TABLE 32
TOOL LIST FOR TESTING AND ADJUSTING 33
ADJUSTING VALVE CLEARANCE 34
MEASURING COMPRESSION PRESSURE 35
TESTING AND ADJUSTING FUEL INJECTION TIMING 36
MEASURING ENGINE OIL PRESSURE AND TEMPERATURE 38
MEASURING BLOW-BY PRESSURE 39
TESTING AND ADJUSTING FAN BELT TENSION 40
MEASURING EXHAUST GAS COLOR 41
MEASURING ACCELERATOR PEDAL OPERATING FORCE AND OPERATING ANGLE 42
ADJUSTING FUEL CUT SOLENOID 44
13 DISASSEMBLY AND ASSEMBLY 45
STARTING MOTOR ASSEMBLY 46
REMOVAL 46
INSTALLATION 46
ALTERNATOR ASSEMBLY 47
REMOVAL 47
INSTALLATION 47
FUEL INJECTION PUMP ASSEMBLY 48
REMOVAL 48
INSTALLATION 48
WATER PUMP ASSEMBLY 49
REMOVAL 49
INSTALLATION 49
NOZZLE HOLDER ASSEMBLY 50
REMOVAL 50
INSTALLATION 50
CYLINDER HEAD ASSEMBLY 51
REMOVAL 51
INSTALLATION 58
TURBOCHARGER ASSEMBLY 66
REMOVAL 66
INSTALLATION 66
COMPRESSOR ASSEMBLY 67
REMOVAL 67
INSTALLATION 67
AFTER-COOLER 68
REMOVAL 68
INSTALLATION 70
RADIATOR ASSEMBLY 72
REMOVAL 72
INSTALLATION 75
OIL COOLER ASSEMBLY 77
REMOVAL 77
INSTALLATION 77
ENGINE ASSEMBLY 78
REMOVAL 78
INSTALLATION 85
FUEL TANK ASSEMBLY 92
REMOVAL 92
INSTALLATION 94
20 POWER TRAIN 96
21 STRUCTURE AND FUNCTION 96
GENERAL 97
HYDRAULIC CIRCUIT FOR POWER TRAIN 99
HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN 100
TORQUE CONVERTER AND TRANSMISSION PIPING 101
TORQUE CONVERTER CHARGING PUMP 102
TORQUE CONVERTER 103
TORQUE CONVERTER OIL FILTER 106
TORQUE CONVERTER OIL COOLER 107
TORQUE CONVERTER RELIEF VALVE 108
TRANSMISSION 109
TRANSMISSION CONTROL VALVE 117
SOLENOID VALVE 118
UPPER VALVE 119
LOWER VALVE 120
TRANSMISSION SOLENOID VALVE 121
EMERGENCY MANUAL SPOOL 122
PRIORITY VALVE 125
MODULATING VALVE AND QUICK RETURN VALVE 126
ACCUMULATOR VALVE 129
PILOT REDUCING VALVE 131
TRANSMISSION PILOT FILTER 132
TRANSFER 133
DRIVE SHAFT 134
AXLE MOUNT 135
AXLE AND DIFFERETIAL 137
TORQUE PROPORTIONING DIFFERENTIAL 140
FINAL DRIVE 141
TIRE AND WHEEL 144
22 TESTING AND ADJUSTING 145
STANDARD VALUE TABLE 146
TOOL LIST FOR TESTING AND ADJUSTING 147
MEASURING ENGINE STALL SPEED 148
MEASURING OIL PRESSURE OF TORQUE CONVERTER AND TRANSMISSION 150
MEASURING SHIFT LEVER 152
METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL 153
TIRE AND WHEEL 155
TROUBLESHOOTING 156
PRECAUTIONS WHEN TROUBLESHOOTING 157
METHOD OF READING TROUBLESHOOTING TABLE 159
PREVENTING RECURRENCE OF TROUBLE 161
METHOD OF LOCATING MAIN PROBLEM POINTS WHEN TROUBLESHOOTING TRANSMISSION SYSTEM 162
TROUBLESHOOTING TABLE 163
1 MACHINE DOES NOT MOVE 163
2 MACHINE LACKS POWER OR SPEED 165
3 EXCESSIVE TIME LAG WHEN STARTING MACHINE OR SHIFTING GEAR 166
4 TORQUE CONVERTER OIL TEMPERATURE TOO HIGH 167
23 DISASSEMBLY AND ASSEMBLY 168
TORQUE CONVERTER CHARGING PUMP 169
REMOVAL 169
INSTALLATION 170
TORQUE CONVERTER,TRANSMISSION,TRANSFER ASSEMBLY 171
REMOVAL 171
INSTALLATION 180
TORQUE CONVERTER ASSEMBLY 188
DISASSEMBLY 188
ASSEMBLY 193
TRANSMISSION ASSEMBLY 199
DISASSEMBLY 199
ASSEMBLY 214
TRANSFER ASSEMBLY 229
DISASSEMBLY 229
ASSEMBLY 232
TRANSMISSION CONTROL VALVE 239
REMOVAL 239
INSTALLATION 240
LOWER VALVE 241
DISASSEMBLY 241
ASSEMBLY 241
UPPER VALVE 243
DISASSEMBLY 243
ASSEMBLY 243
FRONT DIFFERENTIAL 245
REMOVAL 245
INSTALLATION 248
REAR DIFFERENTIAL 251
REMOVAL 251
INSTALLATION 252
DIFFERENTIAL 253
DISASSEMBLY 253
ASSEMBLY 256
FRONT AXLE 264
REMOVAL 264
INSTALLATION 266
REAR AXLE 268
REMOVAL 268
INSTALLATION 272
DRIVE SHAFT 276
DISASSEMBLY 276
ASSEMBLY 278
FINAL DRIVE 280
DISASSEMBLY 280
ASSEMBLY 283
24 MAINTENANCE STANDARD 287
TRANSMISSION AND ENGINE MOUNT 288
TORQUE CONVERTER CHARGING PUMP 289
TORQUE CONVERTER 290
TORQFLOW TRANSMISSION 292
1 TRANSMISSION 292
2 TRANSMISSION CONTROL VALVE 294
3 SOLENOID VALVE 298
TRANSFER 299
DIFFERENTIAL 301
FINAL DRIVE 303
DRIVE SHAFT 304
AXLE MOUNT 305
40 STEERING SYSTEM 307
41 STRUCTURE AND FUNCTION 307
GENERAL 308
HYDRAULIC CIRCUIT FOR STEERING 310
HYDRAULIC CIRCUIT DIAGRAM FOR STEERING 311
OPERATIONS OF STEERING VALVE 312
STEERING CONTROL SYSTEM 314
STEERING VALVE 314
STEERING RELIEF VALVE 316
SAFETY VALVE (WITH SUCTION VALVE) 317
OPERATION OF DEMAND SPOOL 318
TWO-WAY RESTRICTOR VALVE 320
STEERING CYLINDER 321
STEERING COLUMN AND GEAR BOX 322
STEERING LINKAGE 323
CENTER HINGE PIN 324
EMERGENCY STEERING PUMP (IF EQUIPPED) 325
DIVERTER VALVE (IF EQUIPPED) 326
SECURITY VALVE (IF EQUIPPED) 329
42 TESTING AND ADJUSTING 332
STANDARD VALUE TABLE 333
TOOL LIST FOR TESTING AND ADJUSTING 333
MEASURING STEERING WHEEL PLAY 334
MEASURING OPERATING FORCE OF STEERING WHEEL 335
OPERATING TIME OF STEERING WHEEL 336
TESTING STEERING LINKAGE 337
ADJUSTING STEERING LINKAGE 338
STEERING OIL PRESSURE 339
TROUBLESHOOTING 340
TROUBLESHOOTING TABLE 341
1 STEERING WHEEL DOES NOT TURN 341
2 STEERING WHEEL IS SLUGGISH 342
3 STEERING WHEEL MOVES UNSTEADILY OR IS SUBJECTED TO LARGE SHOCK 343
4 MACHINE TENDS TO TURN NATURALLY IN ONE PARTICULAR DIRECTION WHEN TRAVELING 343
5 LEFT AND RIGHT TURNING RADII ARE DIFFERENT 343
43 DISASSEMBLY AND ASSEMBLY 344
STEERING GEAR 345
REMOVAL 345
INSTALLATION 346
DISASSEMBLY 347
ASSEMBLY 348
STEERING VALVE 351
REMOVAL 351
INSTALLATION 353
DISASSEMBLY 355
ASSEMBLY 355
STEERING CYLINDER 357
REMOVAL 357
INSTALLATION 358
DISASSEMBLY 359
ASSEMBLY 361
CENTER HINGE PIN 364
REMOVAL 364
INSTALLATION 372
44 MAINTENANCE STANDARD 381
STEERING LINKAGE 382
STEERING COLUMN AND GEAR BOX 384
STEERING VALVE 385
STEERING CYLINDER MOUNT 386
STEERING CYLINDER 387
CENTER HINGE PIN 388
DIVERTER VALVE (IF EQUIPPED) 390
EMERGENCY STEERING PUMP (IF EQUIPPED) 392
SECURITY VALVE (IF EQUIPPED) 393
50 BRAKE AND AIR SYSTEM 394
51 STRUCTURE AND FUNCTION 394
GENERAL 395
AIR TANK 397
SAFETY VALVE 397
BRAKE VALVE 398
BRAKE ACTUATED 399
OPERATING IN BALANCE 400
BRAKE RELEASED 401
AIR GOVERNOR 402
TWO-WAY VALVE 404
BRAKE CHAMBER 405
SLACK ADJUSTER 407
BRAKE 410
PARKING BRAKE 412
PARKING BRAKE SOLENOID VALVE 414
SPRING CYLINDER 415
BRAKE CALIPER 416
52 TESTING AND ADJUSTING 417
STANDARD VALUE TABLE 418
TOOL LIST FOR TESTING AND ADJUSTING 419
MEASURING BRAKE PEDAL 420
MEASURING AIR 421
BRAKE PERFORMANCE 424
CHECKING BRAKE OIL PRESSURE 425
MEASURING WEAR OF BRAKE DISC 426
AIR BLEEDING FROM BRAKE LINE 427
PARKING BRAKE PERFORMANCE 428
CHECKING AND ADJUSTING PARKING BRAKE 429
TROUBLESHOOTING 431
TROUBLESHOOTING TABLE 432
1 AIR PRESSURE DOES NOT RISE AT ALL 432
2 AIR PRESSURE DOES NOT RISE TO THE SPECIFIED RANGE 433
3 BRAKE IS INEFFECTIVE OR NOT VERY EFFECTIVE 434
4 BRAKE DOES NOT RELEASE, OR DRAGS 435
5 PARKING BRAKE DOES NOT RELEASE, OR DRAGS (APPLIES TO MACHINES EQUIPPED WITH AIR PARKING BRAKE ) 436
53 DISASSEMBLY AND ASSEMBLY 437
AIR GOVERNOR 438
DISASSEMBLY 438
ASSEMBLY 439
BRAKE VALVE 440
REMOVAL 440
INSTALLATION 441
DISASSEMBLY 442
ASSEMBLY 444
BRAKE CHAMBER 446
REMOVAL 446
INSTALLATION 448
DISASSEMBLY 449
ASSEMBLY 452
SLACK ADJUSTER 455
REMOVAL 455
INSTALLATION 455
DISASSEMBLY 456
ASSEMBLY 457
BRAKE ASSEMBLY 458
DISASSEMBLY 458
ASSEMBLY 465
SPRING CYLINDER 473
REMOVAL 473
INSTALLATION 474
DISASSEMBLY 475
ASSEMBLY 477
PARKING BRAKE 479
REMOVAL 479
INSTALLATION 481
PARKING BRAKE PAD 483
REMOVAL 483
INSTALLATION 484
54 MAINTENANCE STANDARD 485
BRAKE VALVE 486
BRAKE CHAMBER 488
SLACK ADJUSTER 489
BRAKE 490
PARKING BRAKE 492
SPRING CYLINDER 493
60 WORK EQUIPMENT SYSTEM 494
61 STRUCTURE AND FUNCTION 494
GENERAL 495
HYDRAULIC CIRCUIT SYSTEM 497
HYDRAULIC CIRCUIT DIAGRAM 498
BUCKET LINKAGE 500
BUCKET POSITIONER AND BOOM KICK-OUT 502
HYDRAULIC TANK 504
OIL FILTER BYPASS VALVE 505
BREATHER 505
HYDRAULIC AND STEERING PUMPS 506
MAIN CONTROL VALVE 507
RELIEF VALVE 517
SAFETY VALVE (WITH SUCTION VALVE) 518
SUCTION VALVE 519
HYDRAULIC CYLINDER 520
62 TESTING AND ADJUSTING 522
STANDARD VALUE TABLE 523
TOOL LIST FOR TESTING AND ADJUSTING 524
MEASURING DUMP AND LIFT CONTROL LEVERS 525
ADJUSTING DUMP AND LIFT CONTROL LEVERS 526
MEASURING HYDRAULIC PRESSURE 527
MEASURING LIFT ARM AND BUCKET 529
MEASURING HYDRAULIC DRIFT OF LIFT ARM AND BUCKET 530
ADJUSTING BUCKET POSITIONER 531
ADJUSTING BOOM KICK-OUT 532
TROUBLESHOOTING 533
TROUBLESHOOTING TABLE 534
1 LIFT ARM DOES NOT RISE 534
2 LIFT ARM MOVES SLOWLY OR DOES NOT HAVE SUFFICIENT LIFTING POWER 535
3 LIFT ARM MOVEMENT BECOMES SLOW AFTER IT REACHES A CERTAIN HEIGHT 536
4 BUCKET CANNOT BE HELD DOWN WITH LIFT ARM CYLINDER 536
5 LIFT ARM HAS LARGE HYDRAULIC DRIFT 536
6 LIFT ARM MOVEMENT IS UNSTEADY DURING WORK 536
7 LIFT ARM DESCENDS MOMENTARILY WHEN CONTROL LEVER IS SHIFTED FROM “HOLD” TO “RAISE” 536
8 BUCKET DOES NOT TILT BACK 537
9 BUCKET MOVES SLOWLY OR HAS INSUFFICIENT TILT BACK POWER 538
10 BUCKET MOVEMENT BECOMES SLOW DURING TILT BACK 539
11 BUCKET CANNOT BE HELD DOWN BY THE BUCKET CYLINDER 539
12 BUCKET HAS LARGE HYDRAULIC DRIFT 539
13 BUCKET MOVES UNSTEADILY WHEN MACHINE TRAVELS UNDER LOAD (MAIN CONTROL VALVE IN “HOLD”) 539
14 BUCKET DUMPS MOMENTARILY WHEN CONTROL LEVER IS SHIFTED FROM “HOLD” TO “TILT BACK” 539
15 CONTROL LEVERS OF LIFT ARM AND DUMP MOVE STIFFLY AND SLUGGISHLY 540
63 DISASSEMBLY AND ASSEMBLY 541
HYDRAULIC TANK 542
REMOVAL 542
INSTALLATION 544
HYDRAULIC FILTER 546
REMOVAL 546
INSTALLATION 546
HYDRAULIC, SWITCH AND STEERING PUMP 547
REMOVAL 547
INSTALLATION 550
MAIN CONTROL VALVE 553
REMOVAL 553
INSTALLATION 556
DISASSEMBLY 558
ASSEMBLY 560
DUMP CYLINDER 562
REMOVAL 562
INSTALLATION 564
LIFT CYLINDER 565
REMOVAL 565
INSTALLATION 566
HYDRAULIC CYLINDER ASSEMBLY 567
DISASSEMBLY 567
ASSEMBLY 569
WORK EQUIPMENT 572
REMOVAL 572
INSTALLATION 575
COUNTERWEIGHT 578
REMOVAL 578
INSTALLATION 578
64 MAINTENANCE STANDARD 579
MAIN CONTROL VALVE 580
DUMP CYLINDER 584
LIFT CYLINDER 585
BUCKET LINKAGE 586
BUCKET POSITIONER AND BOOM KICK-OUT 588
BUCKET 589
HYDRAULIC AND STEERING PUMP 590
80 ELECTRIC AND ELECTRONIC SYSTEM 591
81 STRUCTURE AND FUNCTION 591
ELECTRIC AND ELECTRONIC SYSTEM 592
ELECTRICAL WIRING DIAGRAM 593
ENGINE STARTING CIRCUIT 594
ENGINE STOP CIRCUIT 595
PREHEATING CIRCUIT 596
PREHEATING AND AFTER-HEATING WITH HEATER SWITCH 596
PREHEATING WITH STARTING SWITCH 597
AUTOMATIC PREHEATING 598
COMBINATION SWITCH 599
ELECTRICAL TRANSMISSION CONTROL 600
ELECTRICAL TRANSMISSION CONTROL DIAGRAM 601
TRANSMISSION CUT-OFF SWITCH 602
TRANSMISSION CUT-OFF SELECTOR SWITCH 603
NEUTRALIZER RELAY 604
ELECTRICAL PARKING BRAKE CONTROL 605
ELECTRONIC VEHICLE MONITORING SYSTEM (EVMS) 614
MONITOR PANEL 614
INDICATION ON MONITOR PANEL 616
CONTROLLER 618
SENSORS 619
WIRING HARNESS 625
OPERATION OF PROXIMITY SWITCH 626
82 TESTING AND ADJUSTING 630
ADJUSTING SPEEDOMETER MODULE IN THE VEHICLE MONITOR 631
TROUBLESHOOTING 632
CHECKS BEFORE TROUBLESHOOTING 633
METHOD OF USING YES-NO TROUBLESHOOTING FLOW CHART 634
CONNECTOR TERMINAL NUMBERS 636
PRECAUTION WHEN HANDLING CONNECTOR 641
ELECTRICAL WIRING DIAGRAM 643
ELECTRICAL CIRCUIT SYSTEM 644
TROUBLESHOOTING CHART FOR ELECTRIC SYSTEM (E-1 TO E-15 ) 648
E-1 ENGINE DOES NOT START 649
E-2 ENGINE DOES NOT STOP 652
E-3 ENGINE STOPS WHEN TRAVELING 652
E-4 PARKING BRAKE DOES NOT WORK 653
E-5 PARKING BRAKE IS APPLIED WHEN TRAVELING 656
E-6 PARKING BRAKE IS RELEASED WHEN STARTING SWITCH IS TURNED TO ON 659
E-7 TRANSMISSION IS NOT RETURNED TO NEUTRAL WHEN PARKING BRAKE IS APPLIED 659
E-8 MACHINE DOES NOT TRAVEL FORWARD 661
E-9 MACHINE DOES NOT TRAVEL IN REVERSE 665
E-10 TRANSMISSION DOES NOT SHIFT GEAR (F-R SWITCH NORMAL) 669
E-11 MACHINE DOES NOT TRAVEL WHEN TRANSMISSION CUT-OFF SELECTOR SWITCH IS ON (MACHINE TRAVELS ONLY WHEN TRANSMISSION CUT-OFF SELECTOR SWITCH IS OFF) 671
E-12 TRANSMISSION CANNOT BE CUT-OFF 671
E-13 TRANSMISSION DOES NOT RETURN TO NEUTRAL 673
E-14 PREHEATING DISPLAY DOES NOT GO OUT 676
E-15 PREHEATING DOES NOT WORK 676
ELECTRONIC VEHICLE MONITORING SYSTEM 678
TROUBLESHOOTING TABLE (ELECTRONIC VEHICLE MONITORING SYSTEM) 679
TROUBLESHOOTING CHART FOR ELECTRONIC VEHICLE MONITORING SYSTEM (M-1 TO M-33 ) 680
M-1 EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (BRAKE OIL LEVEL) FLASHES 681
M-2 EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (ENGINE OIL LEVEL) FLASHES 681
M-3 EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (COOLANT LEVEL) FLASHES 683
M-4 (BATTERY CHARGE) FLASHES 683
M-5 (FUEL LEVEL) FLASHES 685
M-6 EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (FAILURE IN BRAKE LINE) FLASHES 685
M-7 EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (ENGINE OIL PRESSURE) FLASHES 687
M-8 EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (COOLANT LEVEL) FLASHES 687
M-9 EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (DROP IN AIR PRESSURE) FLASHES 689
M-10 EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (COOLANT TEMPERATURE) FLASHES 689
M-11 EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (TORQUE CONVERTER OIL TEMPERATURE) FLASHES 690
M-12 (PARKING BRAKE) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP 691
M-13 (WORKING LAMP) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP 693
M-14 (PREHEAT) LIGHTS UP ABNORMALLY 695
M-15 (FAILURE IN MAIN STEERING) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP (IF EQUIPPED) 697
M-16 (EMERGENCY STEERING NORMAL) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP (IF EQUIPPED) 699
M-17 (TRANSMISSION CUT-OFF) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP 701
M-18 TURN SIGNAL LAMPS, HIGH BEAM LIGHT UP ABNORMALLY, OR DO NOT LIGHT UP 703
M-19 SPEEDOMETER DISPLAY DOES NOT WORK NORMALLY 707
M-20 SERVICEMETER DOES NOT WORK NORMALLY 709
M-21 ALL OR PART OF MONITOR PANEL DOES NOT WORK NORMALLY, IF ANY FUSE IS BROKEN, REPLACE AFTER CHECKING 711
M-22 EVEN WHEN ENGINE IS STOPPED, (ENGINE OIL PRESSURE) FLASHES, OR (BATTER CHARGE) FLASHES 713
M-23 NO LAMPS ON MONITOR LIGHT UP (IMMEDIATELY AFTER TURNING STARTING SWITCH TO “ON’, ENGINE STOPPED) 714
M-24 CENTRAL WARNING LAMP DOES NOT GO OUT 715
M-25 CENTRAL WARNING BUZZER DOES NOT STOP 717
M-26 NONE OF PANEL LAMPS ON MONITOR LIGHT UP 719
M-27 SOME OF PANEL LAMPS ON MONITOR DO NOT LIGHT UP 722
M-28 EMERGENCY ITEM IS FLASHING, BUT ALARM BUZZER DOES NOT SOUND 724
M-29 EMERGENCY ITEM OR NON-EMERGENCY ITEM IS FLASHING, BUT WARNING LAMP DOES NOT FLASH 726
M-30 ABNORMALITY IN (FUEL GAUGE) 728
M-31 ABNORMALITY IN (AIR PRESSURE GAUGE) 730
M-32 ABNORMALITY IN (COOLANT TEMPERATURE GAUGE) 732
M-33 ABNORMALITY IN (TORQUE CONVERTER OIL TEMPERATURE GAUGE) 734
83 DISASSEMBLY AND ASSEMBLY 736
MACHINE MONITOR 737
REMOVAL 737
INSTALLATION 737
90 OTHERS 738
91 STRUCTURE AND FUNCTION 738
CAB 739
AIR CONDITIONER (IF EQUIPPED) 740
PIPING 740
AIR CONDITIONER WIRING DIAGRAM 741
AIR CONDITIONER ELECTRIC CIRCUIT 741
AIR CONDITIONER UNIT 742
93 DISASSEMBLY AND ASSEMBLY 745
CAB 746
REMOVAL 746
INSTALLATION 747
AIR CONDITIONER UNIT 748
REMOVAL 748
INSTALLATION 750
CONDENSER FOR AIR CONDITIONER 752
REMOVAL 752
INSTALLATION 752
DRY RECEIVER 753
REMOVAL 753
INSTALLATION 753
COMPRESSOR FOR AIR CONDITIONER 754
REMOVAL 754
INSTALLATION 754
97 GEAR PUMP 755
GENERAL 756
GENERAL 757
PRINCIPLE OF OPERATION 758
PRESSURE LOADED TYPE GEAR PUMP 761
FIXED SIED PLATE TYPE GEAR PUMP 763
SA SERIES 764
STRUCTURE 765
TESTING AND ADJUSTING 768
DISASSEMBLY 771
ASSEMBLY 775
MAINTENANCE STANDARD 780

DESCRIPTION:

Komatsu WA400-1 Wheel Loader Shop Manual SEBM04240106 – PDF DOWNLOAD 

GENERAL PRECAUTIONS :

Mistakes in operation are extremely dangerous. Read the OPERATION & MAINTENANCE MANUAL carefully BEFORE operating the machine.

PREPARATIONS FOR WORK:

PRECAUTIONS DURING WORK :

S.V 29/12/24