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10 - 1

HYDRAULICS

SECTION 10

GENERAL ............................. 2

DESCRIPTION ........................ 3

OPERATION ......................... 3

SPECIFICATIONS ..................... 4

SPECIAL TOOLS ...................... 4

WORK EQUIPMENT ................... 5

BLADE EQUIPMENT LEVER ............ 8

REAR EQUIPMENT LEVER ............. 9

WARNING

Refer to, read and follow all safety precautions in SECTION 1. Failure to do so may

result in serious injury or death.

SECTION INDEX5
INDEX TO SECTIONS6
SECTION 1 - INTRODUCTION7
- SAFETY PRECAUTIONS8
- SERVICE INFORMATION16
- LOCTITE USAGE18
SECTION 2 - MISCELLANEOUS20
- DIMENSIONS21
- SPECIFICATIONS27
- CAPACITIES AND LUBRICANTS30
- SPECIAL TORQUES32
- STANDARD TORQUES34
SECTION 4 - BRAKES39
- GENERAL40
  - DESCRIPTION41
  - SPECIFICATIONS41
- BRAKE AND DECELERATOR PEDAL42
- BRAKE PAD48
- BRAKE SUPPORT BRACKET59
SECTION 6 - COOLING61
- GENERAL62
- SERVICE DIAGNOSIS63
- RADIATOR - D32E-1 & D32P-164
- RADIATOR - D38E/P-1 & D39E/P-165
SECTION 7 - DRIVE TRAIN86
- GENERAL87
SECTION 7B - TORQUE CONVERTER95
- GENERAL96
- REMOVAL99
- DISASSEMBLY107
- REASSEMBLY118
- INSTALLATION133
SECTION 7C - TRANSMISSION140
- GENERAL141
- REMOVAL145
- COMPLETE ASSEMBLY161
  - DISASSEMBLY162
  - REASSEMBLY167
- DIRECTIONAL (INPUT) SHAFT177
- COUNTERSHAFT193
- RANGE (OUTPUT) SHAFT196
- REVERSE IDLER SHAFT219
- MAIN REGULATOR VALVE222
- RANGE SELECTOR VALVE231
- RATE OF RISE VALVE238
- INSTALLATION250
- TRANSMISSION/STEERING VALVE268
- DRIVE SHAFT294
  - SPECIFICATIONS294
  - SERVICE295
SECTION 7E - STEERING DRIVE297
- GENERAL298
- REMOVAL300
- DISASSEMBLY310
- BRAKE CYLINDER320
- STEERING CYLINDER326
- MOUNTING PLATE331
  - SERVICE332
- BRAKE/STEERING SHOES334
  - SPECIFICATIONS336
  - SERVICE336
- BEARING CARRIER339
  - SERVICE339
- PLANET GEAR CARRIER342
  - SERVICE342
- REASSEMBLY344
- INSTALLATION363
- BRAKE ADJUSTMENT374
- BRAKE CYLINDER VALVE377
SECTION 7F - FINAL DRIVE385
- GENERAL386
- REMOVAL389
- DISASSEMBLY391
  - D32E-1, D32P-1, D38E-1 OR D38P-1392
  - D39E-1 OR D39P-1395
- REASSEMBLY400
  - D32E-1, D32P-1, D38E-1 OR D38P-1401
  - D39E-1 OR D39P-1404
- METAL TYPE FACE SEALS408
  - SEAL INSPECTION408
  - SEAL INSTALLATION409
- INSTALLATION410
SECTION 8 - ELECTRICAL412
- GENERAL413
- WIRING DIAGRAM414
SECTION 10 - HYDRAULICS416
- GENERAL417
SECTION 10A - PUMPS425
- CHARGE AND SCAVENGE PUMP426
- EQUIPMENT PUMP438
SECTION 10B - CONTROL VALVE447
- REMOVAL448
- COMPLETE ASSEMBLY456
  - DISASSEMBLY456
  - REASSEMBLY459
- SYSTEM RELIEF VALVE461
  - DISASSEMBLY463
  - REASSEMBLY464
- BLADE LIFT SECTION466
  - DISASSEMBLY469
  - REASSEMBLY470
- BLADE TILT SECTION475
  - DISASSEMBLY477
  - REASSEMBLY477
- BLADE ANGLE OR RIPPER SECTION480
  - DISASSEMBLY480
  - REASSEMBLY480
- INSTALLATION485
SECTION 10C - CYLINDERS492
- BLADE EQUIPMENT493
- RIPPER503
SECTION 12 - POWER511
- ENGINE512
- THROTTLE538
  - ADJUSTMENT538
  - FUEL CONTROL LINKAGE541
SECTION 14 - UNDERCARRIAGE542
- GENERAL543
- SERVICE DIAGNOSIS545
- WEAR LIMIT CHECKS547
- FRONT IDLER551
- TRACK ADJUSTER568
  - SPECIFICATIONS569
  - SERVICE569
- TOP IDLER573
- TRACK ROLLER583
- METAL TYPE FACE SEALS594
  - SEAL INSPECTION594
  - SEAL INSTALLATION595
- TRACK FRAME597
  - REMOVAL597
  - INSTALLATION598
- TRACK SPRING599
- FRONT CROSSBAR608
  - REMOVAL608
  - INSTALLATION609
- REAR RIGID BAR612
  - REPLACEMENT612
- TRACK FRAME ALIGNMENT613
SECTION 15 - TRACK CHAIN617
- SPLIT LINK TYPE CHAINS618
SECTION 17 - MOUNTED EQUIPMENT628
- C FRAME RUB BARS629
  - MOUNTING629
- ANGLING FRAME631
- C FRAME PIN633
  - PIN SHIMS633
- C FRAME634
  - BUSHING REPLACEMENT634
- BLADE BUSHINGS635
  - BUSHING REPLACEMENT635

Brand	Komatsu
Model	D39P-1
Category	Excavators
Language	English

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