Komatsu WA420-3 Wheel Loader Shop Manual CEBM000200 PDF
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Komatsu WA420-3 Wheel Loader Shop Manual CEBM000200 – PDF DOWNLOAD
SERIAL NUMBERS VVA420-3LE – A30001 andup
Description
Komatsu WA420-3 Wheel Loader Shop Manual CEBM000200 – PDF DOWNLOAD
FILE DETAILS:
Komatsu WA420-3 Wheel Loader Shop Manual CEBM000200 – PDF DOWNLOAD
Language : English
Pages : 775
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Komatsu WA420-3 Wheel Loader Shop Manual CEBM000200 – PDF DOWNLOAD
SERIAL NUMBERS VVA420-3LE – A30001 andup
GENERAL PRECAUTIONS :
Mistakes in operation are extremely dangerous. Read the OPERATION & MAINTENANCE MANUAL carefully BEFORE operating the machine.
PREPARATIONS FOR WORK:
PRECAUTIONS DURING WORK :
TABLE OF CONTENTS:
Komatsu WA420-3 Wheel Loader Shop Manual CEBM000200 – PDF DOWNLOAD
SERIAL NUMBERS VVA420-3LE – A30001 andup
MAIN MENU 0
CONTENTS 2
01 GENERAL 20
SPECIFICATION DRAWINGS 21
SPECIFICATIONS 22
WEIGHT TABLE 25
FUEL, COOLANT AND LUBRICANTS 26
ENGINE OIL SPECIFICATIONS 27
DIESEL FUEL SPECIFICATIONS 28
COOLANT SPECIFICATIONS 29
10 STRUCTURE AND FUNCTION 34
POWER TRAIN 35
POWER TRAIN SYSTEM 36
TORQUE CONVERTER, TRANSMISSION PIPING 38
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM 39
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM 40
TORQUE CONVERTER 41
TORQUE CONVERTER OIL FILTER 44
TRANSMISSION 45
TRANSMISSION CONTROL VALVE 55
MODULATION VALVE 68
TRANSMISSION SOLENOID VALVE 68
ELECTRONIC CONTROL MODULATION VALVE (ECMV) 69
PILOT OIL FILTER 72
DRIVE SHAFT 73
AXLE 74
DIFFERENTIAL 76
FINAL DRIVE 80
AXLE MOUNT, CENTER HINGE PIN 81
STEERING PIPING 82
STEERING COLUMN 83
STEERING VALVE 84
STEERING VALVE (ORBIT-ROLL) 98
STOP VALVE 102
EMERGENCY STEERING PUMP 103
DIVERTER VALVE 104
BRAKE PIPING 107
BRAKE CIRCUIT DIAGRAM 108
BRAKE VALVE 109
ACCUMLATOR CHARGE VALVE 114
ACCUMULATOR (FOR BRAKE) 118
SLACK ADJUSTER 119
BRAKE 122
PARKING BRAKE CONTROL 124
PARKING BRAKE 125
PARKING BRAKE SOLENOID VALVE 126
PARKING BRAKE VALVE 127
PARKING EMERGENCY RELEASE SOLENOID VALVE 128
HYDRAULIC PIPING 129
WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM 130
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM 131
WORK EQUIPMENT LEVER LINKAGE 132
HYDRAULIC TANK 133
PPC VALVE 135
PPC RELIEF VALVE 140
ACCUMULATOR (FOR PPC VALVE) 141
MAIN CONTROL VALVE 142
WORK EQUIPMENT LINKAGE 155
BUCKET 157
BUCKET POSITIONER AND BOOM KICK-OUT 158
CAB 164
AIR CONDITIONER 165
ELECTRIC CIRCUIT DIAGRAM 166
WIRING DIAGRAM (EAGLE AIR CONDITIONER/HEATER) 170
ELECTRIC CIRCUIT DIAGRAM (E C S S ) 171
ELECTRIC CIRCUIT DIAGRAM (AUTO-GREASING) 172
MACHINE MONITOR SYSTEM 173
MAIN MONITOR 174
MAINTENANCE MONITOR 178
TRANSMISSION AUTO-SHIFT CONTROL SYSTEM 180
TRANSMISSION CONTROLLER 185
E C S S (ELECTRONIC CONTROLLED SUSPENSION SYSTEM) 186
SENSORS 190
ENGINE STARTING CIRCUIT 195
ENGINE STARTING CIRCUIT (ETHER START) 196
ELECTRIC TRANSMISSION CONTROL 197
KICK-DOWN, HOLD SWITCH 200
KICK-DOWN ELECTRIC CIRCUIT DIAGRAM 201
TRANSMISSION CUT-OFF SWITCH 205
TRANSMISSION CUT-OFF FUNCTION 206
ELECTRIC PARKING BRAKE CONTROL 208
20 TESTING AND ADJUSTING 220
STANDARD VALUE TABLE FOR ENGINE 221
STANDARD VALUE TABLE FOR CHASSIS 222
STANDARD VALUE TABLE FOR ELECTRICAL PARTS 225
TOOLS FOR TESTING, ADJUSTING & TROUBLESHOOTING 229
MEASURING ENGINE SPEED 232
MEASURING INTAKE MANIFOLD PRESSURE 233
MEASURING INTAKE AIR RESTRICTION 234
MEASURING ENGINE LUBRICATING OIL PRESSURE 235
MEASURING FUEL FILTER INLET RESTRICTION 236
MEASURING BLOW-BY PRESSURE 237
MEASURING EXHAUST BACK PRESSURE 238
MEASURING COOLANT TEMPERATURE 239
MEASURING AND ADJUSTING VALVE CLEARANCE 240
MEASURING WASTEGATE ACTUATOR CALIBRATION 241
MEASURING EXAUST COLOR 242
MEASURING ACCELERATOR PEDAL 243
MEASURING OPERATING FORCE, TRAVEL OF SPEED LEVER 245
MEASURING STALL SPEEDS 246
MEASURING TORQUE CONVERTER, TRANSMISSION, PARKING BRAKE OIL PRESSURE 248
METHOD OF OPERATING EMERGENCY MANUAL SPOOL 250
MEASURING CLEARANCE BETWEEN TIRE AND WHEEL 252
TESTING AND ADJUSTING STEERING WHEEL 253
TESTING AND ADJUSTING STEERING CONTROL 256
MEASURING STEERING OIL PRESSURE 257
MEASURING OPERATING FORCE, TRAVEL OF BRAKE PEDAL 259
MEASURING BRAKE PERFORMANCE 260
TESTING BRAKE OIL PRESSURE 261
MEASURING BRAKE DISC WEAR 262
BLEEDING AIR FROM BRAKE SYSTEM 263
MEASURING PARKING BRAKE PERFORMANCE 264
MANUAL RELEASE METHOD FOR PARKING BRAKE 265
TESTING WEAR OF PARKING BRAKE DISC 266
MEASURING WORK EQUIPMENT CONTROL LEVER 267
MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE 269
MEASURING WORK EQUIPMENT 273
TESTING AND ADJUSTING BUCKET POSITIONER 275
TESTING AND ADJUSTING BOOM KICK-OUT 276
ADJUSTING MAIN MONITOR (SPEEDOMETER MODULE) 278
CHECKING FOR ABNORMALITY IN FUEL LEVEL SENSOR 279
TROUBLESHOOTING 280
POINTS TO REMEMBER WHEN TROUBLESHOOTING 281
SEQUENCE OF EVENTS IN TROUBLESHOOTING 282
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE 283
HANDLING CONNECTORS 290
CHECKS BEFORE TROUBLESHOOTING 291
METHOD OF USING TROUBLESHOOTING CHARTS 292
CONNECTOR TYPES AND MOUNTING LOCATIONS, CONNECTOR PIN ARRANGEMENT DIAGRAM 300
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS 304
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE) 311
S-1 Starting performance is poor (Starting always takes time) 312
S-2 Engine does not start 313
(I) Engine does not turn 313
(2) Engine turns but no exhaust gas comes out (Fuel is not being injected) 314
(3) Exhaust gas comes out but engine does not start (Fuel is being injected) 315
S-3 Engine does not pick up smoothly (Follow-up is poor) 316
S-4 Engine stops during operations 317
S-5 Engine does not rotate smoothly (hunting) 318
S-6 Engine lacks output (no power) 319
S-7 Exhaust gas is black (incomplete combustion) 320
S-8 Oil consumption is excessive (or exhaust gas is blue) 321
S-9 Oil becomes contaminated quickly 322
S-10 Fuel consumption is excessive 323
S-11 Oil is in cooling water, or water spurts back, or water level goes down 324
S-12 Oil pressure lamp lights up (drop in oil pressure) 325
S-13 Oil level rises 326
S-14 Water temperature becomes too high (overheating) 327
S-15 Abnormal noise is made 328
S-16 Vibration is excessive 329
TROUBLESHOOTING OF MAIN MONITOR SYSTEM (M MODE) 330
TROUBLE DATA DISPLAY 332
M-1 Main monitor does not work 335
M-2 When starting switch is turned ON and engine is started immediately, all lamps stay lighted up 336
M-3 Speedometer display does not work properly 337
M-4 Abnormality in shift indicator 338
(a) Stays at N even when directional lever is at F 338
(b) Stays at N even when directional lever is at R 338
(c) Does not display N even when directional lever is at N and displays R when directional lever is at F 338
(d) Does not display N even when directional lever is at N and displays F when directional lever is at R 339
(e) Does not display 1st, 4th 339
(f) Does not display 3rd, 4th 340
(g) Does not display 2nd, 3rd 340
(h) Does not display 1st, 2nd 341
M-5 High beam does not light up 342
M-6 Turn signal display does not light up 343
(a) L H turn signal does not light up 343
(b) R H turn signal does not light up 343
M-7 Abnormality in parking display 344
(a) Parking lamp does not light up 344
(b) Parking lamp stays lighted up 344
M-8 Abnormality in preheating system (QGS) 345
(a) Does not carry out preheating 345
(b) Always carries out preheating for 1 minute 346
(c) Preheating stays on 346
(d) Preheating time becomes shorter, or there is variation 347
M-9 Night lighting does not light up 348
M-10 Abnormality in front working lamp 349
(a) Neither monitor display nor front working lamp light up 349
(b) Working lamp lights up but monitor display does not light up 349
(c) Monitor lights up but working lamp does not light up 349
M-11 Abnormality in rear working lamp 350
(a) Neither monitor display nor rear working lamp light up 350
(b) Working lamp lights up but monitor display does not light up 350
(c) Monitor lights up but working lamp does not light up 350
M-12 Abnormality in transmission cut-off 352
(a) When monitor switch is pressed, cut-off function is not switched and display is not given 352
(b) Monitor display goes out but cut-off function stays on 352
(c) Monitor display lights up but cut-off function is not actuated 353
M-13 Abnormality in parking brake dragging warning 354
(a) When parking brake is applied, buzzer sounds (intermittently) even when directional lever is at N, caution lamp flashes 354
(b) When parking brake is applied, buzzer does not sound and caution lamp does not light up even when directional lever is at 354
M-14 When parking brake dragging warning is given, buzzer and caution lamp are actuated continuously, or they are not actuated 355
(a) Actuated continuously 355
(b) Not actuated 355
M-15 Abnormality in buzzer 356
(a) Buzzer does not sound when starting switch is turned ON (during self-check) 356
(b) Buzzer always sounds 356
M-16 Condition of monitor switches is not stored in memory 357
M-17 Abnormality in failure display mode 358
(a) Does not enter failure display mode 358
(b) Time for time elapsed since failure on failure display mode does not advance 358
M-18 Abnormality in emergency steering normal display 359
(a) Emergency steering normal display does not light up 359
(b) Emergency steering normal display stays lighted up 359
M-19 Abnormality in emergency steering actuation display 360
(a) Emergency steering actuation display does not light up 360
(b) Emergency steering actuation display stays lighted up 360
M-20 Abnormality in auto-greasing system 361
(a) Forced greasing cannot be carried out 361
(b) Monitor display flashes rapidly (2 times/sec) 361
(c) When no more grease remains, monitor display flashes rapidly (2 times/sec) 361
(d) Monitor display flashes slowly (1 time/sec) 362
(e) Monitor display goes out 362
M-21 Abnormality in ECSS system 363
(a) Display does not change when switch is pressed 363
(b) Monitor display lights up but ECSS function does not work 363
M-22 Buzzer does not sound when auto-leveling switch is actuated 363
M-23 Failure code is not sent to main monitor (abnormality in network) 364
TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K MODE) 365
K-1 When starting switch is turned ON, all lamps on maintenance monitor do not light up for 3 sec, and does not work 366
(a) All lamps on maintenance monitor do not light up for 3 seconds 366
(b) Some lamps do not light up 367
K-2 When starting switch is turned ON, all lamps on maintenance monitor light up but do not go out 367
K-3 When engine is started immediately after starting switch is turned ON (within 3 seconds), all lamps on maintenance monitor do not go out 368
K-4 When starting switch is turned ON (engine stopped), CHECK items flash 369
(a) Engine oil level display flashes 369
(b) Engine water level display flashes 370
K-5 When starting switch is turned ON (engine started), CAUTION items flash 371
(a) Engine oil pressure display flashes 371
(b) Battery charge level display flashes 372
(c) Brake oil pressure display flashes 373
(d) Air cleaner display flashes 374
K-6 CAUTION items are flashing but alarm buzzer does not sound 375
K-7 There is no abnormality in monitor display but alarm buzzer sounds 376
K-8 CAUTION items are flashing but warning lamp (CHECK CAUTION lamp) does not light up 377
(a) CHECK lamp 377
(b) CAUTION lamp 377
K-9 There is no abnormality in maintenance monitor display but warning lamp (CHECK lamp, CAUTION lamp) lights up 378
(a) CHECK lamp 378
(b) CAUTION lamp 378
K-10 Night lighting does not light up when lamp switch is turned ON (only lighting of maintenance monitor does not light up) 379
K-11 Night lighting lights up even when lamp switch is OFF, night lighting stays lighted up 380
K-12 Service meter does not work 381
K-13 Service meter is running even when engine is stopped 381
K-14 Abnormality in gauge items 382
(a) Abnormality in fuel gauge 382
(b) Abnormality in engine water temperature gauge 383
(c) Abnormality in torque converter oil temperature gauge 384
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE) 385
E-1 Engine does not start 386
(a) Starting motor does not turn 386
(b) Starting motor turns 390
E-2 Engine does not stop 392
E-3 Engine stops when machine is traveling 392
E-4 Parking brake does not work 393
(a) Parking brake has no effect when parking brake switch is turned ON (parking) 393
(b) Parking brake has no effect when brake pressure drops (Does not work as emergency brake) 393
E-5 Parking brake is applied when machine is traveling 394
E-6 Parking brake is released when starting switch is turned ON 396
E-7 Transmission does not change to neutral when parking brake is applied (but parking brake works normally) 396
E-8 Transmission does not work normally 397
(a) Problem in common circuit for transmission (always stays in 2nd) 399
(b) Problem in H-L circuit 399
(c) Problem in speed circuit 400
(d) Problem in 4th circuit (does not enter 4th) 400
(e) Contact in H-L circuit 401
(f) Contact in speed circuit 403
(g) Contact in 4th circuit (always stays in 4th) 405
(h) Problem in FORWARD circuit (REVERSE is normal) 406
(i) Problem in REVERSE circuit (FORWARD is normal) 408
(j) Problem in common circuit for FORWARD and REVERSE (does not travel forward, parking brake is normal) 410
(k) Contact in FORWARD circuit 412
(l) Contact in REVERSE circuit 414
(m) Problem in common circuit for FORWARD and REVERSE 416
E-9 Kick-down switch does not work (the regular Fl to F4 shifts normally) 417
E-10 Kick-down works only when kick-down switch is ON (Kick-down switch relay does not hold in position 419
E-11 Kick-down operation cannot be canceled 419
(a) Not canceled even when directional lever is moved from F to N or R 419
(b) Not canceled even when speed lever is moved from 2nd to other position (becomes 4th) 420
E-12 Kick-down switch is actuated by mistake when traveling in 2nd 422
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (CHASSIS RELATED) (T MODE) 423
POWER TRAIN 424
T-1 Machine does not start 424
T-2 Travel speed is slow, thrusting power is weak, lacks power on slopes 426
T-3 Excessive shock when starting machine or shifting gear 428
T-4 Excessive time lag when starting machine or shifting gear 429
T-5 Torque converter oil temperature is high 430
STEERING SYSTEM 431
T-6 Steering does not turn 431
T-7 Steering wheel is heavy 432
T-8 Steering wheel wobbles or there is excessive shock 433
T-9 Machine steers to one side when traveling 433
T-10 Turning radius to left and right is different 433
BRAKE SYSTEM 434
T-11 Brakes do not work or braking effect is poor 434
T-12 Brakes are not released or brakes drag 435
T-13 Parking brake is not released or brake drags 436
WORK EQUIPMENT 437
T-14 Boom does not rise 437
T-15 Boom movement is slow or boom lacks lifting power 438
T-16 When boom is raised, it moves slowly at a certain height 439
T-17 Bucket cannot be pushed with boom cylinder (bucket floats) 439
T-18 Excessive hydraulic drift of boom 439
T-19 Boom shakes during operation 439
T-20 Boom drops momentarily when control lever is operated from HOLD to RAISE 440
T-21 Bucket does not tilt back 441
T-22 Bucket movement is slow or tilt-back lacks power 442
T-23 Bucket movement becomes slow during tilt-back operation 443
T-24 Bucket cannot be pushed with bucket cylinder 443
T-25 Excessive hydraulic drift of bucket 443
T-26 Bucket shakes during loading operation (Main control valve at HOLD) 444
T-27 Bucket dumps momentarily when control lever is operated from HOLD to TILT 444
T-28 Boom, bucket control levers are heavy or do not move smoothly 445
TROUBLESHOOTING OF ECSS (ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM) (D MODE) 446
JUDGEMENT TABLE FOR CONTROLLER ELECTRICAL SYSTEM 447
D-1 ECSS does not work 448
(a) Error code [d0] is displayed 449
(b) Error code [d1] is displayed 449
(c) Error code [d2] is displayed 450
(d) Error code [d3] is displayed 450
(e) Error code [d4] is displayed 451
(f) No abnormality display is given 451
D-2 ECSS canceled 455
D-3 Output is turned ON (travel speed does not become 5 km/h) (deviates around 5 km/h) 456
D-4 Output is turned ON when transmission z is in 1st 4 456
D-5 Output is turned ON when transmission is in 4th 457
D-6 Controller LED code is not displayed 458
D-7 ECSS is abnormal but main monitor does not give abnormality display 458
TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (A MODE) 459
OUTLINE 460
1 Function 460
2 When carrying out troubleshooting 460
3 Failure code table 460
4 Table of troubleshooting modes and causes 461
A-1 Troubleshooting code [10] Modulation valve solenoid system (disconnection, short circuit) 462
A-2 Troubleshooting code [11] Short circuit in power source for modulation valve solenoid system 463
A-3 Troubleshooting code [12] F solenoid signal system 464
A-4 Troubleshooting code [13] R solenoid signal system 464
A-5 Troubleshooting code [14] Abnormality in H-L solenoid signal system 465
A-6 Troubleshooting code [16] Abnormality in speed solenoid signal system 466
A-7 Troubleshooting code [17] Brake output signal 467
A-8 Troubleshooting code [20] Abnormality in directional lever signal system 468
A-9 Troubleshooting code [21] Abnormality in speed lever signal system 469
A-10 Troubleshooting code [22] Abnormality in travel speed signal 470
A-11 Troubleshooting code [23] Abnormality in engine speed signal 471
A-12 Hold switch system 472
A-13 Kick-down switch 472
A-14 Kick-down output signal system 473
A-15 Transmission cut-off signal system 474
A-l 6 Neutralizer signal system 475
A-17 Buzzer signal system 476
A-18 Network signal system 477
A-19 Controller power source system 478
A-20 Abnormality in model selection wiring harness 479
TROUBLESHOOTING – EAGLE AIR CONDITIONER 480
30 DISASSEMBLY AND ASSEMBLY 484
METHOD OF USING MANUAL 486
PRECAUTIONS WHEN CARRYING OUT OPERATION 487
SPECIAL TOOL LIST 489
RADIATOR 492
REMOVAL 492
INSTALLATION 494
ENGINE 495
REMOVAL 495
INSTALLATION 500
TORQUE CONVERTER CHARGING PUMP 501
REMOVAL 501
INSTALLATION 501
TORQUE CONVERTER, TRANSMISSION 502
REMOVAL 502
INSTALLATION 509
TORQUE CONVERTER 511
DISASSEMBLY 511
ASSEMBLY 513
TRANSMISSION 516
DISASSEMBLY 516
ASSEMBLY 521
TRANSMISSION CLUTCH PACK 527
DISASSEMBLY 527
ASSEMBLY 536
PARKING BRAKE 548
DISASSEMBLY 548
ASSEMBLY 550
TRANSMISSION CONTROL VALVE 553
REMOVAL 553
INSTALLATION 555
DISASSEMBLY 556
ASSEMBLY 563
TRANSMISSION ACCUMULATOR VALVE 569
DISASSEMBLY 569
ASSEMBLY 570
DRIVE SHAFT 571
DISASSEMBLY 571
ASSEMBLY 573
FRONT AXLE 575
REMOVAL 575
INSTALLATION 577
REAR AXLE 578
REMOVAL 578
INSTALLATION 581
FRONT DIFFERENTIAL 583
REMOVAL 583
INSTALLATION 586
REAR DIFFERENTIAL 588
REMOVAL 588
INSTALLATION 591
DIFFERENTIAL 593
DISASSEMBLY 593
ASSEMBLY 596
FINAL DRIVE 604
DISASSEMBLY 604
ASSEMBLY 607
CENTER HINGE PIN 611
REMOVAL 611
INSTALLATION 619
STEERING VALVE (ORBIT-ROLL) 625
REMOVAL 625
INSTALLATION 626
STEERING VALVE 627
DISASSEMBLY 627
ASSEMBLY 630
REMOVAL 635
INSTALLATION 636
STEERING DEMAND VALVE 637
DISASSEMBLY 637
ASSEMBLY 641
STEERING SWITCH PUMP 645
REMOVAL 645
INSTALLATION 648
STEERING CYLINDER 649
REMOVAL 649
INSTALLATION 650
BRAKE VALVE 651
REMOVAL 651
INSTALLATION 652
RIGHT BRAKE VALVE (TANDEM) 653
DISASSEMBLY 653
ASSEMBLY 654
LEFT BRAKE VALVE (SINGLE) 655
DISASSEMBLY 655
ASSEMBLY 656
SLACK ADJUSTER 657
REMOVAL 657
INSTALLATION 658
DISASSEMBLY 659
ASSEMBLY 660
BRAKE ASSEMBLY 661
DISASSEMBLY 661
ASSEMBLY 667
PARKING BRAKE DISC 675
REMOVAL 675
INSTALLATION 677
HYDRAULIC TANK 680
REMOVAL 681
INSTALLATION 680
WORK EQUIPMENT, PPC PUMP 681
REMOVAL 681
INSTALLATION 684
PPC VALVE 685
REMOVAL 685
INSTALLATION 686
DISASSEMBLY 687
ASSEMBLY 688
MAIN CONTROL VALVE 689
REMOVAL 689
INSTALLATION 691
DISASSEMBLY 692
ASSEMBLY 694
BUCKET CYLINDER 697
REMOVAL 697
INSTALLATION 698
BOOM CYLINDER 699
REMOVAL 699
INSTALLATION 700
HYDRAULIC CYLINDER 701
DISASSEMBLY 701
ASSEMBLY 704
WORK EQUIPMENT 707
REMOVAL 707
INSTALLATION 710
COUNTERWEIGHT 712
REMOVAL 712
INSTALLATION 712
FUEL TANK 713
REMOVAL 713
INSTALLATION 714
CAB 715
REMOVAL 715
INSTALLATION 716
MAIN MONITOR 717
REMOVAL 717
INSTALLATION 718
MAINTENANCE MONITOR 719
REMOVAL 719
INSTALLATION 719
AIR CONDITIONER UNIT 720
REMOVAL 720
INSTALLATION 725
AIR CONDITIONER CONDENSER 726
REMOVAL 726
INSTALLATION 727
DRY RECEIVER 728
REMOVAL 728
INSTALLATION 728
AIR CONDITIONER COMPRESSOR 729
REMOVAL 729
INSTALLATION 730
40 MAINTENANCE STANDARD 731
ENGINE MOUNT, TRANSMISSION MOUNT 732
TORQUE CONVERTER 733
TRANSMISSION 734
TRANSMISSION CONTROL VALVE 741
DRIVE SHAFT 745
DIFFERENTIAL 746
FINAL DRIVE 748
AXLE MOUNT 749
STEERING COLUMN 750
STEERING VALVE 751
STEERING CYLINDER MOUNT 752
SLACK ADJUSTER 753
BRAKE VALVE 754
BRAKE 757
PARKING BRAKE 759
TORQUE CONVERTER, TRANSMISSION PUMP 760
STEERING SWITCH PUMP 0
HYDRAULIC PPC PUMP 0
PPC VALVE 761
CUT-OFF VALVE 762
MAIN CONTROL VALVE 763
HYDRAULIC CYLINDER 767
CENTER HINGE PIN 769
WORK EQUIPMENT LINKAGE 771
BUCKET 773
BUCKET POSITIONER AND BOOM KICK-OUT 774
S.V 13/12/24
