Complete service repair manuals for Komatsu Bulldozers D31A, D31E, D31P, D31PL, D31PLL, D31S, D31Q, D37E, D37P, with all the shop information to maintain, diagnose, repair, and rebuild like professional mechanics.

Komatsu Bulldozers D31A, D31E, D31P, D31PL, D31PLL, D31S, D31Q, D37E, D37P workshop service & repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

SEBM0114B01 - Bulldozer D31A-16, D31P-16 Shop Manual (SN25001&up).pdf
SEBM0114C04 - Bulldozer D31A,E,P,PL,PLL-17, D31P-17A,B Shop Manual (SN32001&up).pdf
SEBM001007 - Bulldozer D31E,P,PL,PLL,S,Q-20, D31P-20A, D37E-5, D37P-5A Shop Manual.pdf
SEBM01141805 - Bulldozer D31E,P,PL,PLL,S,Q-18, D31P-18A, D37E,P-2 Shop Manual.pdf
SRBM001007K - Бульдозер D31E,P,PL,PLL,S,Q-20 & D31P-20A & D37E-5 & D37P-5A Заводская инструкция.pdf

PRODUCT DETAILS:
Total Pages: 2,653 pages
File Format: PDF
Language: English

MAIN SECTIONS
01 GENERAL
10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
90 OTHERS

TABLE OF CONTENTS
10 ENGINE
20 POWER TRAIN
30 UNDERCARRIAGE
60 HYDRAULIC SYSTEM
70 WORK EQUIPMENT
80 ELECTRICAL SYSTEM

SEBM001007 - Bulldozer D31E,P,PL,PLL,S,Q-20, D31P-20A, D37E-5, D37P-5A Shop Manual....2
  CONTENTS....3
  01 GENERAL ....26
    SPECIFICATION DRAWINGS....27
    SPECIFICATIONS....39
    WEIGHT TABLE....63
    LIST OF LUBRICANT AND WATER....75
  10 STRUCTURE AND FUNCTION ....80
    POWER TRAIN SYSTEM ....81
    POWER TRAIN SKELETON ....82
    POWER TRAIN HYDRAULIC PIPING ....85
    POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM ....87
    POWER TRAIN HYDRAULIC SYSTEM ....88
    DAMPER AND UNIVERSAL JOINT ....89
    TRANSMISSION CONTROL....90
    TRANSMISSION PUMP ....95
    HYDROSHIFT TRANSMISSION....97
    TRANSMISSION CONTROL VALVE ....106
    STEERING CONTROL....114
    STEERING CYLINDER ....118
    BRAKE CYLINDER....119
    PPC VALVE ....120
    BEVEL GEAR SHAFT AND STEERING CLUTCH ....132
    STEERING BRAKE....134
    FINAL DRIVE ....136
    TRACK FRAME ....137
    MAIN FRAME AND SUSPENSION ....139
    HYDRAULIC PIPING ....141
    HYDRAULIC CIRCUIT DIAGRAM ....148
    HYDRAULIC CIRCUIT SYSTEM ....149
    HYDRAULIC CONTROL ....156
    HYDRAULIC TANK AND FILTER ....158
    HYDRAULIC CONTROL VALVE ....160
    ANGLE SELECTOR VALVE ....166
    SUCTION SAFETY VALVE ....169
    WORK EQUIPMENT ....170
    ELECTRICAL CIRCUIT DIAGRAM....173
    ENGINE CONTROL....176
    MONITOR SYSTEM ....177
    SENSORS ....178
  20 TESTING AND ADJUSTING ....181
    STANDARD VALUE TABLE FOR ENGINE ....182
    STANDARD VALUE TABLE FOR CHASSIS ....184
    STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM ....193
    TABLE OF TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING ....194
    MEASURlNG ENGINE SPEED ....196
    MEASURING EXHAUST COLOR ....198
    ADJUSTING VALVE CLEARANCE ....199
    MEASURING COMPRESSION PRESSURE ....202
    MEASURING BLOW-BY PRESSURE ....204
    TESTING AND ADJUSTING  FUEL INJECTION TIMING ....206
    BLEEDING AIR FROM FUEL CIRCUIT ....210
    MEASURING ENGINE OIL PRESSURE ....211
    TESTING AND ADJUSTING FAN BELT TENSION ....214
    MEASURING POWER TRAIN OIL PRESSURE ....215
    ADJUSTING PPC VALVE ....216
    BLEEDING AIR FROM  STEERING CIRCUIT ....217
    MEASURING AND ADJUSTING WORK EQUIPMENT MAIN  RELIEF  PRESSURE ....218
    BLEEDING AIR FROM HYDRAULIC CYLINDERS ....220
    BLEEDING AIR FROM ANGLE CYLINDER CIRCUIT ....221
    ADJUSTING FUEL CONTROL CABLE ....222
    ADJUSTING FUEL CONTROL LEVER ....223
    PROCEDURE FOR ADJUSTING ENGINE STOP MOTOR CABLE ....224
    ADJUSTING ENGINE STOP SOLENOID LINKAGE ....226
    ADJUSTING TRANSMISSION CONTROL LINKAGE ....228
    ADJUSTING TRAVEL OF INCHING PEDAL ....234
    ADJUSTING BRAKE PEDAL, STEERING BRAKE CYLINDER ....235
    ADJUSTING BRAKE LINING CLEARANCE ....238
    TROUBLESHOOTING....239
      POINTS TO REMEMBER WHEN TROUBLESHOOTING ....240
      SEQUENCE OF EVENTS IN TROUBLESHOOTING ....241
      POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE ....242
      HANDLING CONNECTORS....249
      CHECKS BEFORE TROUBLESHOOTING ....250
      TROUBLESHOOTING OF ENGINE (S MODE)....251
        METHOD OF USING TROUBLESHOOTING  CHARTS ....252
        D31E-20 Serial No.: 42001-42713, D31P-20A Serial No.: 45001-47616, D31P, PL-20 Serial No.: 45001-47616, D37E-5 Serial No.: 3....256
        S-1 Starting performance is poor (Starting always takes time) ....256
        S-2 Engine does not start  ....257
        S-3 Engine does not pick up smoothly (Follow-up is poor) ....260
        S-4 Engine stops during operations ....261
        S-5 Engine does not rotate smoothly ....262
        S-6 Engine lacks output (no power) ....263
        S-7 Exhaust gas is black (incomplete combustion) ....264
        S-8 Oil consumption is excessive (or exhaust gas is blue)....265
        S-9 Oil becomes contaminated quickly ....266
        S-10 Fuel consumption is excessive ....267
        S-11 Oil is in cooling water, or water spurts back, or water level goes down ....268
        S-12 Oil pressure lamp lights up (drop in oil pressure) ....269
        S-13 Oil level rises....270
        S-14 Water temperature becomes too high (overheating) ....271
        S-15 Abnormal noise is made....272
        S-16 Vibration is excessive....273
        D31E-20 Serial No.: 42714 and up, D31P-20A Serial No.: 47617 and up, D31P, PL-20 Serial No.: 47617 and up, D37E-5 Serial No.: 37....274
        S-1 Starting performance is poor (starting always takes time) ....274
        S-2 Engine does not start ....275
          (1) Engine does not turn....275
          (2) Engine turns but no exhaust smoke comes out (fuel is not being injected)....276
          (3) Exhaust smoke comes out but engine does not start (Fuel is being injected)....277
        S-3 Engine does not pick up smoothly (follow-up is poor) ....278
        S-4 Engine stops during operations ....279
        S-5 Engine does not rotate smoothly (hunting) ....280
        S-6 Engine lacks output (no power) ....281
        S-7 Exhaust smoke is black  (incomplete combustion) ....282
        S-8 Oil consumption is excessive (or exhaust smoke is blue) ....283
        S-9 Oil becomes contaminated quickly ....284
        S-10 Fuel consumption is excessive ....285
        S-11 Oil is in cooling water, or water spurts back, or water level goes down ....286
        S-12 Oil pressure caution lamp lights up (drop in oil pressure) ....287
        S-13 Oil level rises (water, fuel in oil) ....288
        S-14 Water temperature becomes too high (overheating) ....289
        S-15 Abnormal noise is made ....290
        S-16 Vibration is excessive ....291
      TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)....293
        METHOD OF USING TROUBLESHOOTING CHART....294
        TABLE OF FAILURE MODES AND CAUSES....296
        H-1. Machine does not start ....296
        H-2. Drawbar pull is weak, travel speed is slow....297
        H-3. Excessive time lag when starting or shifting gear checks before troubleshooting ....298
        H-4. Steering does not work properly ....299
        H-5. Machine moves when engine is started ....300
        H-6. Excessive shock when starting or shifting gear ....300
        H-7. Level of oil in transmission case or bevel gear case changes ....300
        H-8. Lack of blade lifting force, speed ....301
        H-9. Impossible to raise blade or push up chassis ....302
        H-10. Excessive hydraulic drift of blade ....303
        H-11. Blade moves up and down during leveling operations (control lever at HOLD) ....303
        H-12. Blade goes down ....303
        H-13. Blade tilt lacks power, speed, impossible to push up chassis with tilt ....304
        H-14. Blade cannot be tilted ....305
        H-15. Excessive hydraulic drift of blade tilt ....306
        H-16. Blade angle lacks power, speed (applicable to power angle, power tilt dozer) ....307
        H-17. Blade cannot be angled  (applicable to power angle tiltdozer) ....308
        H-18. When blade is angled, blade returns to straight position or shakes during operations  (control lever at HOLD) ....309
        H-19. Lift arm lacks lifting power, speed ....310
        H-20. Impossible to raise lift arm, impossible to raise chassis ....311
        H-21. Excessive hydraulic drift of lift arm ....312
        H-22. Bucket tilt back lacks power, speed ....313
        H-23. Impossible to tilt back bucket ....314
        H-24. Impossible to dump bucket, impossible to raise chassis with dump cylinder ....315
        H-25. Bucket dump speed is slow ....316
        H-26. Excessive hydraulic drift of bucket dump circuit ....317
        H-27. Bucket moves up and down along ground surface during leveling operations, but lift arm moves irregularly [control lever at....318
        H-28. Lift arm goes down ....318
        H-29. Bucket moves irregularly during leveling operations (control lever at HOLD) ....318
        H-30. Bucket dumps ....318
        H-31. When bucket is dumped to maximum, it is impossible to raise lift arm ....318
        H-32. Work equipment control levers are heavy ....319
  30 DISASSEMBLY AND ASSEMBLY ....321
    METHOD OF USING MANUAL....323
    PRECAUTIONS WHEN CARRYING OUT OPERATION....324
    SPECIAL TOOL LIST....326
    STARTING MOTOR....330
      REMOVAL AND INSTALLATION....330
    ALTERNATOR....332
      REMOVAL AND INTALLATION....332
    ENGINE OIL COOLER CORE....334
      REMOVAL AND INSTALLATION....334
    FUEL INJECTION PUMP....336
      REMOVAL ....336
      INSTALLATION ....337
    WATER PUMP....344
      REMOVAL AND INSTALLATION....344
    THERMOSTAT....346
      REMOVAL AND INSTALLATION....346
    NOZZLE HOLDER....348
      REMOVAL AND INSTALLATION....348
    TURBOCHARGER....351
      REMOVAL ....351
      INSTALLATION....353
    CYLINDER HEAD....354
      REMOVAL ....354
      INSTALLATION ....355
    RADIATOR GUARD....366
      REMOVAL ....366
      INSTALLATION ....367
    RADIATOR....368
      REMOVAL....368
      INSTALLATION ....369
    RADIATOR, RADIATOR GUARD....370
      REMOVAL....370
      INSTALLATION....373
    ENGINE....374
      REMOVAL ....374
      INSTALLATION....375
    DAMPER....380
      REMOVAL....380
      INSTALLATION....381
    HYDROSHIFT TRANSMISSION....386
      REMOVAL....386
      INSTALLATION....388
      DISASSEMBLY....389
      ASSEMBLY ....401
    MODULATING VALVE AND PUMP....415
      REMOVAL AND INSTALLATION....415
    MODULATING VALVE....416
      DISASSEMBLY....416
      ASSEMBLY ....417
    SELECTOR AND INCHING VALVE....418
      REMOVAL AND INSTALLATION....418
      DISASSEMBLY ....419
      ASSEMBLY ....420
    MAIN RELIEF VALVE....421
      REMOVAL AND INSTALLATION....421
    STEERING PPC VALVE....422
      REMOVAL AND INSTALLATION....422
      DISASSEMBLY AND ASSEMBLY....425
    STEERING CLUTCH....430
      REMOVAL ....430
      INSTALLATION ....432
      DISASSEMBLY ....433
      ASSEMBLY ....435
    BEVEL GEAR SHAFT AND BEVEL GEAR....438
      REMOVAL ....438
      INSTALLATION ....441
    FINAL DRIVE FIRST PINION....445
      REMOVAL AND INSTALLATION....445
    FINAL DRIVE....447
      DISASSEMBLY ....447
      ASSEMBLY ....450
    TRACK FRAME....455
      REMOVAL AND INSTALLATION....455
    RECOIL SPRING....459
      DISASSEMBLY ....459
      ASSEMBLY ....460
    IDLER....461
      REMOVAL AND INSTALLATION....461
      DISASSEMBLY ....462
      ASSEMBLY....464
    CARRIER ROLLER....466
      REMOVAL AND INSTALLATION....466
      DISASSEMBLY....467
      ASSEMBLY ....468
    TRACK ROLLER....469
      REMOVAL AND INSTALLATION....469
      DISASSEMBLY ....470
      ASSEMBLY ....471
    TRACK SHOE....479
      REMOVAL AND INSTALLATION....479
    HYDRAULIC PUMP....480
      REMOVAL AND INSTALLATION....480
    HYDRAULIC CONTROL VALVE....483
      REMOVAL AND INSTALLATION....483
      DISASSEMBLY AND ASSEMBLY....486
    BLADE LIFT CYLINDER ....500
      REMOVAL AND INSTALLATION (D13E, P-20, D31P-20A, D37E-5, D37P-5A)....500
      (D31PL, PLL-20)....501
    BLADE TILT CYLINDER ....502
      REMOVAL AND INSTALLATION (D31 E, P-20, D31 P-20A. D37E-5, D37P-5A)....502
      (D31 PL, PLL-20)....503
    BLADE ANGLE CYLINDER ....504
      REMOVAL AND INSTALLATION (D31 E, P-20, D31 P-20A. D37E-5, D37P-5A)....504
    BUCKET LIFT CYLINDER....505
      REMOVAL AND INSTALLATION (D31S, Q-20)....505
    BUCKET DUMP CYLINDER....506
      (D31S, Q-20)....506
    HYDRAULIC CYLINDER....507
      DISASSEMBLY....507
      ASSEMBLY ....508
    WORK EQUIPMENT....510
      REMOVAL AND INSTALLATION (D31 E, P-20, D31 P-20A, D37E-5, D37P-5A)....510
      (D31PL, PLL-20)....511
    BLADE....512
      REMOVAL AND INSTALLATION (D31 E, P-20, D31 P-20A, D37E-5, D37P-5A)....512
      (D31PL, PLL-20)....513
    WORK EQUIPMENT....514
      REMOVAL AND INSTALLATION (D31S. Q-20)....514
    BUCKET....515
      REMOVAL AND INSTALLATION (D31S, Q-20)....515
    OPERATOR’S SEAT FRAME....516
      REMOVAL ....516
      INSTALLATlON....517
  40 MAINTENANCE STANDARD ....519
    DAMPER AND UNIVERSAL JOINT ....520
    HYDROSHIFT TRANSMISSION ....522
    TRANSMISSION CONTROL VALVE ....524
    TRANSMISSION AND STEERING PUMP ....526
    PPC VALVE ....527
    STEERING CYLINDER ....530
    BEVEL GEAR SHAFT ....531
    STEERING CLUTCH ....532
    STEERING BRAKE ....534
    FINAL DRIVE ....536
    TRACK FRAME ....538
    IDLER CUSHION ....540
    IDLER ....542
    TRACK ROLLER ....544
    CARRIER ROLLER ....547
    TRACK (LUBRICATED TRACK LINK) D31E, P, PL, PLL-20, D31P-20A, D37E-5, D37P-5A....548
    TRACK (DRY TYPE TRACK LINK) D31E, P, PL, PLL-20, D31P-20A, D37E-5, D37P-5A....550
    TRACK (LUBRICATED TRACK LINK) D31S, Q-20....556
    TRACK (DRY TYPE TRACK LINK) D31S, Q-20....558
    HYDRAULIC PUMP....560
    HYDRAULIC CONTROL VALVE ....562
    HYDRAULIC CYLINDER....568
    WORK EQUIPMENT ....574
  90 OTHERS ....581
    TRIMMING DOZER....583
      CONTENTS ....584
      GENERAL ....585
        SPECIFICATION DRAWING....585
        SPECIFICATIONS ....588
        WEIGHT TABLE ....592
        TABLE OF FUEL, COOLANT AND LUBRICANTS ....594
      STRUCTURE AND FUNCTION ....596
        POWER TRAIN HYDRAULIC PIPING ....596
        TRANSMISSION CONTROL....598
        STEERING CONTROL ....602
        PPC VALVE ....604
        TRACK FRAME ....616
        HYDRAULIC PIPING ....618
        WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM ....620
        WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM ....621
        WORK EQUIPMENT CONTROL ....622
        WORK EQUIPMENT CONTROL VALVE ....624
        TRIMMING DOZER....628
        ELECTRICAL WIRING DIAGRAM....631
        ENGINE CONTROL....632
      MAINTENANCE STANDARD ....634
        PPC VALVE ....634
        TRACK FRAME ....636
        IDLER CUSHION ....638
        IDLER ....640
        TRACK ROLLER ....644
        CARRIER ROLLER ....646
        TRACK....648
        WORK EQUIPMENT CONTROL VALVE ....660
        HYDRAULIC CYLINDER ....664
        TRIMMING DOZER....666
SEBM01141805 - Bulldozer D31E,P,PL,PLL,S,Q-18, D31P-18A, D37E,P-2 Shop Manual....673
  COVER....673
  CONTENTS....674
  10 ENGINE....693
    12 TESTING AND ADJUSTING....693
      TESTING AND ADJUSTING DATA....694
      TOOL LIST FOR TESTING AND ADJUSTING....696
      ADJUSTING VALVE CLEARANCE....697
      MEASURING EXHAUST GAS COLOR....698
      MEASURING COMPRESSION PRESSURE....699
      MEASURING BLOW-BY PRESSURE....700
      ADJUSTING FUEL INJECTION TIMING....701
      TESTING AND ADJUSTING FAN BELT TENSION....702
      BLEEDING AIR FROM FUEL CIRCUIT....702
      ADJUSTING FUEL CONTROL LEVER....703
    13 DISASSEMBLY AND ASSEMBLY....704
      STARTING MOTOR....705
        REMOVAL AND INSTALLATION....705
      ALTERNATOR....705
        REMOVAL AND INSTALLATION....705
      WATER PUMP....705
        REMOVAL AND INSTALLATION....705
      FUEL INJECTION PUMP....707
        REMOVAL AND INSTALLATION....707
      NOZZLE HOLDER....707
        REMOVAL AND INSTALLATION....707
      CYLINDER HEAD....709
        REMOVAL....709
        INSTALLATION....711
      RADIATOR GUARD....715
        REMOVAL AND INSTALLATION....715
      RADIATOR....717
        REMOVAL AND INSTALLATION....717
      THERMOSTAT....717
        REMOVAL AND INSTALLATION....717
      ENGINE....719
        REMOVAL....719
        INSTALLATION....721
  20 POWER TRAIN....723
    21 STRUCTURE AND FUNCTION....723
      GENERAL....724
      POWER TRAIN HYDRAULIC SYSTEM (D31E, P, PL, PLL-18, D31P-18A, D37E, P-2)....726
      POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM (D31E, P, PL, PLL-18, D31P-18A, D37E,P-2)....727
      POWER TRAIN HYDRAULIC SYSTEM (D31S, Q-18)....729
      POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM (D31S, Q-18)....730
      DAMPER AND UNIVERSAL JOINT....731
      HYDROSHIFT TRANSMISSION....732
      TRANSMISSION CONTROL....739
      HYDROSHIFT TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM....740
      TRANSMISSION CONTROL VALVE....742
      TRANSMISSION PUMP....749
      BEVEL GEAR SHAFT AND STEERING CLUTCH....750
      STEERING CONTROL (D31E, P, PL, PLL-18, D31P-18A, D37E,P-2)....752
      STEERING CONTROL (D31S, Q-18)....753
      STEERING HYDRAULIC PIPING....754
      STEERING HYDRAULIC SYSTEM (D31E, P, PL, PLL-18, D31P-18A, D37E,P-2)....757
      STEERING HYDRAULIC CIRCUIT DIAGRAM (D31E, P, PL, PLL-18, D31P-18A, D37E,P-2)....757
      STEERING HYDRAULIC SYSTEM (D37E, P-2)....758
      STEERING HYDRAULIC CIRCUIT DIAGRAM (D37E, P-2)....758
      STEERING HYDRAULIC SYSTEM (D31S, Q-18)....759
      STEERING HYDRAULIC CIRCUIT DIAGRAM (D31S, Q-18)....759
      STEERING CONTROL VALVE (D31E, P, PL, PLL-18, D31P-18A, D37E, P-2)....760
      STEERING CONTROL VALVE (D31S, Q-18)....761
      STEERING BOOSTER CYLINDER....766
      STEERING BRAKE....768
      FINAL DRIVE....770
    22 TESTING AND ADJUSTING....771
      STANDARD FOR TESTING AND ADJUSTING....772
      TESTING AND ADJUSTING TOOL LIST....773
      MEASURING OIL TEMPERATURE....774
      MEASURING OIL PRESSURE....775
      ADJUSTING LINKAGE....777
        ADJUSTING GEAR SHIFT LEVER CONTROL LINKAGE....777
        ADJUSTING INCHING CONTROL LINKAGE....778
        ADJUSTING STEERING CONTROL LINKAGE....779
      TROUBLESHOOTING....783
        1. MACHINE DOES NOT MOVE OFF....784
        2. DRAWBAR-PULL IS SMALL OR TRAVEL SPEED IS LOW....785
        3. TIME LAG IS EXCESSIVE WHEN MOVING OFF OR GEARSHIFTING....786
        4. WHEN ENGINE IS STARTED, MACHINE MOVES....787
        5. MACHINE SHOCK IS EXCESSIVE WHEN MOVING OFF OR GEARSHIFTING....787
        6. OIL QUANTITY IN TRANSMISSION AND BEVEL GEAR CASE FLUCTUATES....787
    23 DISASSEMBLY AND ASSEBMLY....788
      DAMPER....789
        REMOVAL AND INSTALLATION....789
      HYDROSHIFT TRANSMISSION....791
        REMOVAL....791
        INSTALLATION....793
        DISASSEMBLY....795
        ASSEMBLY....809
      MODULATING VALVE....823
        REMOVAL AND INSTALLATION....823
        DISASSEMBLY AND ASSEMBLY....825
      SELECTOR AND INCHING VALVE....823
        REMOVAL AND INSTALLATION....823
        DISASSEMBLY AND ASSEMBLY....827
      STEERING VALVE....829
        REMOVAL AND INSTALLATION....829
        DISASSEMBLY AND ASSEMBLY....829
      STEERING CLUTCH....831
        REMOVAL....831
        INSTALLATION....833
        DISASSEMBLY....837
        ASSEMBLY....839
      BEVEL GEAR SHAFT AND BEVEL GEAR....843
        REMOVAL....843
        INSTALLATION....845
      FINAL DRIVE FIRST PINION....849
        REMOVAL AND INSTALLATION....849
      FINAL DRIVE....851
        DISASSEMBLY....851
        ASSEMBLY....855
      SPROCKET....859
        REMOVAL AND INSTALLATION....859
    24 MAINTENANCE STANDARD....861
      DAMPER AND UNIVERSAL JOINT....862
      TRANSMISSION AND STEERING PUMP....863
      HYDROSHIFT TRANSMISSION....864
      TRANSMISSION CONTROL VALVE....866
      BEVEL GEAR SHAFT....868
      STEERING CLUTCH....869
      STEERING CONTROL VALVE (D31E, P, PL, PLL-18, D31P-18A, D37E, P-2)....871
      STEERING CONTROL VALVE (D31S, Q-18)....872
      STEERING BOOSTER CYLINDER....873
      STEERING BRAKE....875
      FINAL DRIVE....876
  30 UNDERCARRIAGE....878
    31 STRUCTURE AND FUNCTION....878
      TRACK (DRY TYPE TRACK LINK) (D31E, P, PL, PLL-18, D31P-18A, D37E, P-2)....879
      TRACK (LUBRICATED TRACK LINK) (D31E, P, PL, PLL-18, D31P-18A, D37E, P-2)....880
      TRACK (DRY TYPE TRACK LINK) (D31S, Q-18)....881
      TRACK (LUBRICATED TRACK LINK) (D31S, Q-18)....882
      TRACK GROUP....883
      IDLER....886
      IDLER CUSHION....887
      TRACK ROLLER....889
      CARRIER ROLLER....889
      MAIN FRAME AND SUSPENSION....890
    33 DISASSEMBLY AND ASSEMBLY....892
      TRACK FRAME....893
        REMOVAL AND INSTALLATION....893
      RECOIL SPRING....893
        REMOVAL AND INSTALLATION....893
        DISASSEMBLY AND ASSEMBLY....895
      IDLER....897
        REMOVAL AND INSTALLATION....897
      CARRIER ROLLER....897
        REMOVAL AND INSTALLATION....897
      TRACK ROLLER....899
        REMOVAL AND INSTALLATION....899
      TRACK SHOE....899
        REMOVAL AND INSTALLATION....899
    34 MAINTENANCE STANDARD....901
      TRACK (DRY TYPE TRACK LINK) (D31E, P, PL, PLL-18, D31P-18A, D37E, P-2)....902
      TRACK (LUBRICATED TRACK LINK) (D31E, P, PL, PLL-18, D31P-18A, D37E, P-2)....904
      TRACK (DRY TYPE TRACK LINK) (D31S, Q-18)....906
      TRACK (LUBRICATED TRACK LINK) (D31S, Q-18)....908
      TRACK FRAME....910
      IDLER CUSHION....912
      IDLER....914
      TRACK ROLLER....916
      CARRIER ROLLER....917
  60 HYDRAULIC SYSTEM....918
    61 STRUCTURE AND FUNCTION....918
      HYDRAULIC PIPING (D31E-18, D31P-18A, D37E, P-2)....919
      HYDRAULIC CONTROL (D31E-18, D31P-18A, D37E, P-2)....920
      HYDRAULIC CIRCUIT SYSTEM (D31E-18, D31P-18A, D37E, P-2)....921
      HYDRAULIC CIRCUIT DIAGRAM (D31E-18, D31P-18A, D37E, P-2)....922
      HYDRAULIC PIPING (D31P, PL, PLL-18)....923
      HYDRAULIC CONTROL (D31P, PL, PLL-18)....924
      HYDRAULIC CIRCUIT SYSTEM (D31P, PL, PLL-18)....925
      HYDRAULIC CIRCUIT DIAGRAM (D31P, PL, PLL-18)....926
      HYDRAULIC PIPING (D31S, Q-18)....927
      HYDRAULIC CONTROL (D31S, Q-18)....928
      HYDRAULIC CIRCUIT SYSTEM (D31S, Q-18)....929
      HYDRAULIC CIRCUIT DIAGRAM (D31S, Q-18)....930
      HYDRAULIC TANK AND FILTER....931
      HYDRAULIC PUMP....932
      HYDRAULIC CONTROL VALVE (D31E-18, D31P-18A, D37E, P-2)....933
      HYDRAULIC CONTROL VALVE (D31P, PL, PLL-18)....935
      HYDRAULIC CONTROL VALVE (D31S, Q-18)....937
      HYDRAULIC LEVER OPERATION (D31E, P, PL-18, D31P-18A, D37E, P-2)....942
      HYDRAULIC LEVER OPERATION (D31S, Q-18)....948
      HYDRAULIC CYLINDER (D31E-18, D31P-18A, D37E, P-2)....952
      HYDRAULIC CYLINDER (D31P, PL, PLL-18)....954
      HYDRAULIC CYLINDER (D31S, Q-18)....956
    62 TESTING AND ADJUSTING....958
      STANDARD FOR TESTING AND ADJUSTING....959
      TESTING AND ADJUSTING TOOL LIST....962
      MEASURING AND ADJUSTING OIL PRESSURE....963
      MEASURING OIL TEMPERATURE....964
      BLEEDING AIR FROM ANGLE CYLINDER CIRCUIT....965
      TROUBLESHOOTING....966
        1. BLADE LACKS LIFTING POWER AND LIFTING SPEED IS SLOW....967
        2. BLADE DOES NOT RISE, THE FRONT OF MACHINE CANNOT BE RAISED OFF GROUND WHEN LOWERING THE BLADE....968
        3. HYDRAULIC DRIFT OF BLADE LIFT CYLINDER IS EXCESSIVE....969
        4. BLADE MOVES UNSTEADILY WHEN LEVELING THE GROUND. (CONTROL LEVER AT HOLD)....970
        5. BLADE LOWERS UNDER THE FOLLOWING CONDITIONS....970
        6. BLADE LACKS TILTING POWER, BLADE TILTING SPEED IS SLOW. THE MACHINE CANNOT BE RAISED OFF GROUND BY BLADE TILTING POWER....971
        7. BLADE TILT CYLINDER DOES NOT MOVE (TILTING IS IMPOSSIBLE)....972
        8. HYDRAULIC DRIFT OF BLADE TILT CYLINDER IS EXCESSIVE....973
        9. BLADE LACKS ANGLING POWER, BLADE ANGLING SPEED IS SLOW (FOR POWER ANGLE AND TILTDOZER)....974
        10. BLADE ANGLE CYLINDER DOES NOT MOVE (ANGLING IS IMPOSSIBLE) (FOR POWER ANGLE AND TILTDOZER)....975
        11. BLADE RETURNS STRAIGHTLY OR MOVES UNSTEADILY WHEN LOADING BY ANGLING (CONTROL LEVER AT HOLD) (FOR POWER ANGLE AND TILTDOZER)....976
        12. LIFT ARM LACKS LIFTING POWER AND LIFTING SPEED IS SLOW....977
        13. LIFT ARM DOES NOT RISE, THE FRONT OF MACHINE CANNOT BE RAISED OFF GROUND WHEN LOWERING THE BUCKET....978
        14. HYDRAULIC DRIFT OF BUCKET LIFT CYLINDER IS EXCESSIVE....979
        15. BUCKET LACKS TILT BACK POWER AND BUCKET TILT SPEED IS SLOW....980
        16. BUCKET DUMP CYLINDER DOES NOT MOVE (BUCKET TILT BACK IS IMPOSSIBLE)....981
        17. BUCKET DUMP CYLINDER DOES NOT MOVE (DUMPING IS IMPOSSIBLE), MACHINE CANNOT BE RAISED OFF GROUND BY THE DUMP CYLINDER....982
        18. BUCKET DUMP SPEED IS SLOW....983
        19. HYDRAULIC DRIFT OF BUCKET DUMP CYLINDER IS EXCESSIVE....984
        20. BUCKET MOVES UP AND DOWN ALONG GROUND AND LIFT ARM MOVES UNSTEADILY WHEN LEVELING THE GROUND. (CONTROL LEVER AT HOLD)....985
        21. LIFT ARM LOWERS UNDER THE FOLLOWING CONDITIONS....985
        22. BUCKET MOVES UNSTEADILY WHEN LEVELING THE GROUND WITH MACHINE TRAVELING IN REVERSE.(CONTROL LEVER AT HOLD)....985
        23. BUCKET DUMPS....985
        24. LIFT ARM CANNOT BE RAISED WHEN BUCKET DUMPS FULLY....985
        25. OPERATING FORCE OF WORK EQUIPMENT CONTROL LEVER IS HEAVY....986
    63 DISASSEMBLY AND ASSEMBLY....987
      HYDRAULIC PUMP....988
        REMOVAL AND INSTALLATION....988
      MAIN RELIEF VALVE....988
        REMOVAL AND INSTALLATION....988
      HYDRAULIC CONTROL VALVE....988
        REMOVAL AND INSTALLATION....988
        DISASSEMBLY (D31E-18, D31P-18A, D37E, P-2)....990
        ASSEMBLY (D31E-18, D31P-18A, D37E, P-2)....992
        DISASSEMBLY (D31P, PL, PLL-18)....994
        ASSEMBLY (D31P, PL, PLL-18)....996
        DISASSEMBLY (D31S, Q-18)....998
        ASSEMBLY (D31S, Q-18)....1000
      BLADE LIFT CYLINDER....1002
        REMOVAL AND INSTALLATION....1002
      BLADE TIFT CYLINDER....1002
        REMOVAL AND INSTALLATION....1002
      BLADE ANGLE CYLINDER....1004
        REMOVAL AND INSTALLATION....1004
      BUCKET LIFT CYLINDER....1004
        REMOVAL AND INSTALLATION....1004
      BUCKET DUMP CYLINDER....1004
        REMOVAL AND INSTALLATION....1004
      HYDRAULIC CYLINDER....1006
        DISASSEMBLY....1006
        ASSEMBLY....1006
    64 MAINTENANCE STANDARD....1008
      HYDRAULIC CONTROL VALVE (3-SPOOL)  (D31E-18, D31P-18A, D37E, P-2)....1009
      HYDRAULIC CONTROL VALVE (D31P, PL, PLL-18)....1011
      HYDRAULIC CONTROL VALVE (D31S, Q-18)....1013
      HYDRAULIC CYLINDER (D31P, PL, PLL-18)....1015
      HYDRAULIC CYLINDER (D31E-18, D31P-18A, D37E, P-2)....1017
      HYDRAULIC CYLINDER (D31S, Q-18)....1019
      HYDRAULIC PUMP....1020
  70 WORK EQUIPMENT....1021
    71 STRUCTURE AND FUNCTION....1021
      POWER ANGLE AND TILTDOZER (D31E-18, D31P-18A, D37E, P-2)....1022
      STRAIGHT TILTDOZER (D31P, PL, PLL-18)....1024
      BUCKET AND LINK (D31S, Q-18)....1026
    73 DISASSEMBLY AND ASSEMBLY....1028
      WORK EQUIPMENT....1029
        REMOVAL AND INSTALLATION....1029
      BLADE....1031
        REMOVAL AND INSTALLATION....1031
      WORK EQUIPMENT....1033
        REMOVAL AND INSTALLATION....1033
      BUCKET....1033
        REMOVAL AND INSTALLATION....1033
    74 MAINTENANCE STANDARD....1035
      POWER ANGLE AND TILTDOZER (D31E-18, D31P-18A, D37E, P-2)....1036
      STRAIGHT TILTDOZER (D31P, PL, PLL-18)....1038
      BUCKET LINK (D31S, Q-18)....1040
  80 ELECTRICAL SYSTEM....1042
    81 STRUCTURE AND FUNCTION....1042
      WIRING DIAGRAM....1043
SEBM0114B01 - Bulldozer D31A-16, D31P-16 Shop Manual (SN25001&up)....1044
SEBM0114C04 - Bulldozer D31A,E,P,PL,PLL-17, D31P-17A,B Shop Manual (SN32001&up)....1596
SRBM001007K - Бульдозер D31E,P,PL,PLL,S,Q-20 & D31P-20A & D37E-5 & D37P-5A Заводская инструкция....2000

Komatsu Bulldozers D31A, D31E, D31P, D31PL, D31PLL, D31S, D31Q, D37E, D37P Repair Service Manuals