Komatsu WA470-3 AVANCE Loader Custom Shop Manual SMEW4700K0 PDF

Description

Komatsu WA470-3 AVANCE Loader Custom Shop Manual SMEW4700K0 – PDF DOWNLOAD

FILE DETAILS:

Komatsu WA470-3 AVANCE Loader Custom Shop Manual SMEW4700K0 – PDF DOWNLOAD 

Language : English
Pages : 664
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Komatsu WA470-3 AVANCE Loader Custom Shop Manual SMEW4700K0 – PDF DOWNLOAD 

Serial Number WA470-3 20001 and up

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 WA470-3 AVANCE Loader Custom Shop Manual SMEW4700K0 – PDF DOWNLOAD 

Serial Number WA470-3 20001 and up

COVER 1
CONTENTS 3
01GENERAL 15
GENERAL ASSEMBLY DRAWING 16
SPECIFICATIONS 17
WEIGHT TABLE 21
LIST OF LUBRICANT AND WATER 22
10 STRUCTURE AND FUNCTION 24
POWER TRAIN 26
POWER TRAIN SYSTEM 27
TORQUE CONVERTER，TRANSMISSION PIPING 29
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM 31
TRANSMISSINO HYDRAULIC CIRCUIT DIAGRAM 32
TORQUE CONVERTER 33
TORQUE CONVERTER OIL FILTER 36
TRANSMISSION 37
TRANSMISSION CONTROL VALVE 48
TRANSMISSION SOLENOID VALVE 69
PILOT OIL FILTER 70
DRIVE SHAFT 71
AXLE 72
DIFFERENTIAL 74
FINAL DRIVE 78
AXLE MOUNT CENTER HINGE PIN 79
STEERING PIPING 80
STEERING COLUMN 81
STEERING VALVE 82
ORBIT-ROLL VALVE 96
STOP VALVE 100
BRAKE PIPING 101
BRAKE CIRCUIT DIAGRAM 103
BRAKE VALVE 104
CHARGE VALVE 108
ACCUMULATOR（FOR BRAKE） 112
SLACK ADJUSTER 113
BRAKE 116
PARKING BRAKE CONTROL 118
PARKING BRAKE 119
PARKING BRAKE SOLENOID VALVE 120
PARKING BRAKE VALVE 121
HYDRAULIC PIPING 122
WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM 123
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM 125
WORK EQUIPMENT LEVER LINKAGE 127
HYDRAULIC TANK 128
PPC VALVE 130
PPC RELIEF VALVE 135
ACCUMULATOR（FOR PPC VALVE） 136
MAIN CONTROL VALVE 137
WORK EQUIPMENT LINKAGE 149
BUCKET 151
BUCKET PISITIONER AND BOOM KICK-OUT 152
CAB 158
AIR CONDITIONER 159
SENSORS 160
ENGINE STARTING CIRCUIT 164
ENGINE STOP CIRCUIT 165
PREHEATING CIRCUIT 166
ELECTRIC TRANSMISSION CONTROL 167
KICK-DOWN HOLD SWITCH 170
TRANSMISSION CUT-OFF SWITCH 180
ELECTRIC CIRCUIT DIAGRAM 192
20 TESTING AND ADJUSTING 195
STANDARD VALUE TABLE FOR ENGINE 196
STANDARD VALUE TABLE FOR CHASSIS 197
STANDARD VALUE TABLE FOR ELECTRICAL PARTS 200
TOOLS FOR TESTING，ADJUSTING AND TROUBLESHOOTING 204
MEASURING ENGINE SPEED 205
MEASURING INTAKE AIR PRESSURE（BOOST PRESSURE） 206
ADJUSTING VALVE CLEARANCE 207
MEASURING EXHAUST COLOR 208
MEASURING EXHAUST GAS TEMPERATURE 209
MEASUREING BLOW-BY PRESSURE 210
MEASURING COMPRESSION PRESSURE 211
MEASURING ENGINE OIL PRESSURE 212
TESTING AND ADJUSTING FUEL INJECTION TIMING 213
METHOD FOR ADJUSTING ENGINE STOP MOTOR CABLE 215
TESTING AND ADJUSTING FAN BELT TENSION 217
MEASURING ACCELERATOR PEDAL 218
MEASURING OPERATING FORCE， TRAVEL OF SPEED LEVER 220
MEASURING STALL SPEED 221
MEASURING TORQUE CONVERTER，TRANSMISSION，PARKING BRAKE OIL PRESSURE 223
METHOD OF OPERATING EMERGENCY MANUAL SPOOL 225
MEASURING CLEARANCE BETWEEN TIRE AND WHEEL 227
TESTING AND ADJUSTING STEERING WHEEL 228
TESTING AND ADJUSTING STEERING CONTROL 231
MEASURING STEERING OIL PRESSURE 232
MEASURING OPERATING FORCE，TRAVEL OF BRAKE PEDAL 234
TESTING BRAKE OIL PRESSURE 235
MEASURING BRAKE PERFORANCE 236
MEASURING BRAKE DISC WEAR 237
BLEEDING AIR FROM BRAKE SYSTEM 238
MEASURING PARKING BRAKE PERFORMANCE 239
MANUAL RELEASE METHOD FOR PARKING BRAKE 240
TESTING WEAR OF PARKING BRAKE DISC 241
MEASURING WORK EQUIPMENT CONTROL LEVER 242
MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE 244
MEASURING WORK EQUIPMENT 248
TESTING AND ADJUSTING BUCKET POSITIONER 250
TESTING AND ADJUSTING BOOM KICK-OUT 251
TROUBLESHOOTING 253
POINTS TO REMEMBER WHEN TROUBLESHOOTING 254
SEQUENCE OF EVENTS IN TROUBLESHOOTING 255
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE 256
HANDLING CONNECTORS 263
CHECKS BEFORE TROUBLESHOOTING 264
CONNECTOR TYPES AND MOUNTING LOCATIONS 265
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS 271
TROUBLESHOOTING OF ENGINE SYSTEM（S MODE） 278
S-1 STARTING PERFORMANCE IS POOR 279
S-2 ENGINE DOES NOT START 280
(1) ENGINE DOES NOT TURN 280
(2) ENGINE TURNS BUT TO EXHAUST GAS COMES OUT 281
(3) EXHAUST GAS COMES OUT BUT ENGINE DOES NOT START 282
S-3 ENGINE DOES NOT PICK UP SMOOTHLY 283
S-4 ENGINE STOPS DURING OPERATIONS 284
S-5 ENGINE DOES NOT ROTATE SMOOTHLY 285
S-6 ENGINE LACKS OUTPUT 286
S-7 EXHAUST GAS IS BLACK 287
S-8 OIL CONSUMPTION IS EXCESSIVE 288
S-9 OIL BECOMES CONTAMINATED QUICKLY 289
S-10 FUEL CONSUMPTION IS EXCESSIVE 290
S-11 OIL IS IN COOLING WATER， OR WATER SPURTS BACK，OR WATER LEVEL GOES DOWN 291
S-12 OIL PRESSURE PAMP LIGHTS UP 292
S-13 OIL LEVEL RISES 293
S-14 WATER TEMPERATURE BECOMES TOO HIGH 294
S-15 ABNORMAL NOISE MADE 295
S-16 VIBRATION IS EXCESSIVE 296
TROUBLESHOOTING OF HYDRAULIC AND MACHANICAL SYSTEM（T MODE） 297
POWER DRAIN 298
T-1 MACHINE DOES NOT START 298
T-2 TRAVEL SPEED IS SLOW，THRUSTING POWER IS WEAK，LACKS POWER ON SLOPES 300
T-3 EXCESSIVE SHOCK WHEN STARTING MACHINE OR SHIFTING GEAR 302
T-4 EXCESSIVE TIME LAG WHEN STARTING MACHINE OR SHIFTING GEAR 303
T-5 TORQUE CONVERTER OIL TEMPERATURE IS HIGH 304
STEERING SYSTEM 305
T-6 STEERING WHEEL DOES NOT TURN 305
T-7 STEERING WHEEL IS HEAVY 306
T-8 STEERING WHEEL SHAKES OR THERE IS EXCESSIVE SHOCK 307
T-9 MACHINE STEERS TO ONE SIDE WHEN TRAVELING 307
T-10 TURNING RADIUS IS DIFFERENT BETWEEN LEFT AND RIGHT 307
BRAKE SYSTEM 308
T-11 BRAKES DO NOT WORK OR BRAKING EFFECT IS POOR 308
T-12 BRAKES ARE NOT RELEASED OR BRAKES DRAG 309
T-13 PARKING BRAKE IS NOT RELEASED OR BRAKE DRAGS 310
WORK EQUIPMENT 311
T-14 BOOM DOES NOT RISE 311
T-15 BOOM MOVEMENT IS SLOW OR BOOM LACKS LIFTING POWER 312
T-16 WHEN BOOM IS RAISED，IT MOVES SLOWLY AT A CERTAIN HEIGHT 313
T-17 BUCKET CAN NOT BE PUSHED WITH BOOM CYLINDER 313
T-18 EXCESSIVE HYDRAULIC DRIFT OF BOOM 313
T-19 BOOM SHAKES DURING OPERATION 313
T-20 BOOM DROPS MOMENTARILY WHEN CONTROL LEVER IS OPERATED FROM HOLD TO RAISE 314
T-21 BUCKET DOES NOT TILT BACK 315
T-22 BUCKET MOVEMENT IS SLOW OR TILT BACK LACKS POWER 316
T-23 BUCKET MOVEMENT BECOMES SLOW DURING TILT-BACK OPERATIOIN 317
T-24 BUCKET CANNOT BE PUSHED WITH BUCKET CYLINDER 317
T-25 EXCESSIVE HYDRAULIC DRIFT OF BUCKET 317
T-26 BUCKET SHAKES DURING LOADING OPERATION 318
T-27 BUCKET DUMPS MOMENTARILY WHEN CONTROL LEVER IS OPERATED FROM HOLE TO TILT 318
T-28 BOOM，BUCKET CONTROL LEVERS ARE HEAVY OR DO NOT MOVE SMOOTHLY 319
TROUBLESHOOTING OF ELECTRICAL SYSTEM（E MODE） 320
E-1 ENGINE DOES NOT START 321
(a) STARTING MOTOR DOES NOT TURN 321
(b) STARTING MOTOR TURNS 325
E-2 ENGINE DOES NOT STOP 327
E-3 ENGINE STOPS WHEN MACHINE IS TRAVLING 327
E-4 PARKING BRAKE DOES NOT WORK 328
E-5 PARKING BRAKE IS APPLIED WHEN MACHINE IS TRAVELING 329
E-6 PARKING BRAKE IS RELEASED WHEN STARTING SWITCH IS TURNED ON 331
E-7 TRANSMISSION DOES NOT CHANGE TO NEUTRAL WHEN PARKING BRAKE IS APPLIED 331
E-8 TRANSMISSION DOES NOT WORK NORMALLY 332
(a) PROBLEM IN COMMON CIRCUIT FOR TRANSMISSION 334
(b) PROBLEM IN H-L CIRCUIT 334
(c) PROBLEM IN SPEED CIRCUIT 335
(d) PROBLEM IN 4TH CIRCUIT 335
(e) CONTACT IN H-L CIRCUIT 336
(f) CONTACT IN SPEED CIRCUIT 338
(g) CONTACT IN 4TH CIRCUIT 340
(h) PROBLEM IN FORWARD CIRCUIT 341
(i) PROBLEM IN REVERSE CIRCUIT 343
(j) PROBLEM IN COMMON CIRCUIT FO FORWARD AND REVERSE 345
(k) CONTACT IN FORWARD CIRCUIT 347
(l) CONTACT IN REVERSE CIRCUIT 349
(m) PROBLEM IN REVERSE CIRCUIT 351
E-9 KICK-DOWN SWITCH DOES NOT WORK 352
E-10 KICK-DOWN WORKS ONLY WHEN KICK-DOWN IS ON 354
E-11 KICK-DOWN OPERATION CANNOT BE CANCELED 354
(a) NOT CANCELED EVEN WHEN DIRECTIONAL LEVER IS MOVED FROM F TO N OR R 354
(b) NOT CANCELED EVEN WHEN SPEED LEVER IS MOVED FROM 2ND TO OTHER POSITON 355
E-12 KICK-DOWN SWITCH IS ACTUATED BY MISTAKE WHEN TRAVELING IN 2ND 357
30 DISASSEMBLY AND ASSEMBLY 358
METHOD OF USING MANUAL 360
PRECAUTIONS WHEN CARRYING OUT OPERATION 361
COMMON TOOL LIST 363
STARTING MOTOR 364
REMOVAL 364
INSTALLATION 364
ALTERNATOR 365
REMOVAL 365
INSTALLATION 365
ENGINE OIL COOLER 366
REMOVAL 366
INSTALLATION 366
FUEL INJECTION PUMP 367
REMOVAL 367
INSTALLATION 368
WATER PUMP 369
REMOVAL 369
INSTALLATION 369
TURBOCHARGER 370
REMOVAL 370
INSTALLATION 370
NOZZLE HOLDER 371
REMOVAL 371
INSTALLATION 371
THERMOSTAT 372
REMOVAL 372
INSTALLATION 372
CYLINDER HEAD 373
REMOVAL 373
INSTALLATION 377
RADIATOR 379
REMOVAL 379
INSTALLATION 381
ENGINE 382
REMOVAL 382
INSTALLATION 387
TORQUE CONVERTER,TRANSMISSION 388
REMOVAL 388
INSTALLATION 395
TORQUE CONVERTER 399
ASSEMBLY 399
DISASSEMBLY 400
TRANSMISSION 403
DISASSEMBLY 403
ASSEMBLY 408
TRANSMISSION CLUTCH PACK 414
DISASSEMBLY 414
ASSEMBLY 423
PARKING BRAKE 436
DISASSEMBLY 436
ASSEMBLY 438
TRANSMISSION CONTROL VALVE 443
INSTALLATION 443
DISASSEMBLY 444
REMOVAL 445
ASSEMBLY 450
TRANSMISSION ACCUMULATOR VALVE 456
DISASSEMBLY 456
ASSEMBLY 457
DRIVE SHAFT 460
DISASSEMBLY 458
ASSEMBLY 460
FRONT AXLE 462
REMOVAL 462
INSTALLATION 464
REAR AXLE 465
REMOVAL 465
INSTALLATION 468
FRONT DIFFERENTIAL 470
REMOVAL 470
INSTALLATION 473
REAR DIFFERENTIAL 475
REMOVAL 475
INSTALLATION 478
DIFFERENTIAL 480
DISASSEMBLY 480
ASSEMBLY 483
FINAL DRIVE 491
DISASSEMBLY 491
ASSEMBLY 494
CENTER HINGE PIN 498
REMOVAL 498
INSTALLATION 507
STEERING VALVE(ORBIT ROLL) 513
REMOVAL 513
INSTALLATION 514
DISASSEMBLY 515
ASSEMBLY 518
STEERING VALVE 523
REMOVAL 523
INSTALLATIONG 524
STEERING DEMAND VALVE 525
DISASSEMBLY 525
ASSEMBLY 529
STEERING SWITCH PUMP 533
REMOVAL 533
INSTALLATION 536
STEERING CYLINDER 537
REMOVAL 537
INSTALLATION 538
BRAKE VALVE 539
REMOVAL 539
INSTALLATION 540
DISASSEMBLY 541
ASSEMBLY 542
SLACK ADJUSTER 543
REMOVAL 543
INSTALLATION 544
DISASSEMBLY 545
ASSEMBLY 546
BRAKE 547
DISASSEMBLY 547
ASSEMBLY 553
PARKING BRAKE DISC 561
REMOVAL 561
INSTALLATON 563
HYDRAULIC TANK 564
REMOVAL 564
INSTALLATION 566
WORK EQUIPMENT,PPC PUMP 567
REMOVAL 567
INSTALLATION 570
PPC VALVE 571
REMOVAL 571
INSTALLATION 572
DISASSEMBLY 573
ASSEMBLY 574
MAIN CONTROL VALVE 575
REMOVAL 575
INSTALLATION 577
DISASSEMBLY 578
ASSEMBLY 580
BUCKET CYLINDER 582
REMOVAL 582
INSTALLATION 583
BOOM CYLINDER 584
REMOVAL 584
INSTALLATION 585
HYDRAULCI CYLINDER 586
DISASSEMBLY 586
ASSEMBLY 589
WORK EQUIPMENT 592
REMOVAL 592
INSTALLATION 595
COUNTERWEIGHT 597
REMOVAL 597
INSTALLATION 597
FUEL TANK 598
REMOVAL 598
INSTALLATION 599
CAB,FLOOR FRAME 600
REMOVAL 600
INSTALLATION 603
GAUGE PANEL 606
REMOVAL 606
INSTALLATION 606
AIR CONDITIONER UNT 607
REMOVAL 607
INSTALLATION 611
CONDERSER 612
REMOVAL 612
INSTALLATION 613
RECEIVER 615
REMOVAL 615
INSTALLATION 615
AIR CONDITIONER CONDESER COMPRESSOR 617
REMOVAL 617
INSTALLATION 617
40 MAINTENANCE STANDARD 619
ENGINE MOUNT TRANSMISSION MOUNT 620
TORQUE CONVERTER 621
TRANSMISSION 622
TRANSMISSION CONTROL VALVE 629
DRIVE SHAFT 633
DIFFERENTIAL 634
FINAL DRIVE 636
AXLE MOUNT 637
STEERING COLUMN 638
STEERING VALVE 639
STEERING CYLINDER MOUNT 640
SLACK ADJUSTER 641
BRAKE VALVE 642
BRAKE 644
PARKING BRAKE 646
TORQUE CONVERTER,TRANSMISSION PUMP 647
STEERING,SWITCH PUMP 648
HYDRAULIC,PPC PUMP 649
PPC VALVE 650
CUT-OFF VALVE 651
MAIN CONTROL VALVE 652
BOOM CYLINDER 656
BUCKET CYLINDER 657
CENTER HINGE PIN 658
WORK EQUIPMENT LINAGE 660
BUCKET 662
BUCKET POSITIONER AND BOOM KICK-OUT 663
PROPOSAL 664

S.V 18/12/24