








$25.00
Generation
20Language
EnglishModel of Truck
D31E-20, D31P-20, D31PL-20, D31PLL-20, D31Q-20, D31S-20, D37E-5, D37P-5-ARegion
JapanTruck Class
D31, D37Illustrated factory Workshop Manual for Komatsu Crawler Dozers Models D31E-20, D31P-20, D31PL-20, D31PLL-20, D31Q-20, D31S-20, D37E-5 and D37P-5-A.
This manual will assist you in diagnosing, repairing, and adjusting for your crawler dozer.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.
Covered Models (Japan):
D31E-20 (SN: 42001-)
D31P-20 (SN: 45001-)
D31PL-20 (SN: 45001-)
D31PLL-20 (SN: 45001-)
D31Q-20 (SN: 41001-)
D31S-20 (SN: 41001-)
D37E-5 (SN: 03001-)
D37P-5-A (SN: 03001-)
Format: PDF, 671 pages
Language: English
Table of Contents:
GENERAL
SPECIFICATION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
LIST OF LUBRICANT AND WATER
STRUCTURE AND FUNCTION
POWER TRAIN SYSTEM
POWER TRAIN SKELETON
POWER TRAIN HYDRAULIC PIPING
POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
POWER TRAIN HYDRAULIC SYSTEM
DAMPER AND UNIVERSAL JOINT
TRANSMISSION CONTROL
TRANSMISSION PUMP
HYDROSHIFT TRANSMISSION
TRANSMISSION CONTROL VALVE
STEERING CONTROL
STEERING CYLINDER
BRAKE CYLINDER
PPC VALVE
BEVEL GEAR SHAFT AND STEERING CLUTCH
STEERING BRAKE
FINAL DRIVE
TRACK FRAME
MAIN FRAME AND SUSPENSION
HYDRAULIC PIPING
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC CIRCUIT SYSTEM
HYDRAULIC CONTROL
HYDRAULIC TANK AND FILTER
HYDRAULIC CONTROL VALVE
ANGLE SELECTOR VALVE
SUCTION SAFETY VALVE
WORK EQUIPMENT
ELECTRICAL CIRCUIT DIAGRAM
ENGINE CONTROL
MONITOR SYSTEM
SENSORS
TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
TABLE OF TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
MEASURlNG ENGINE SPEED
MEASURING EXHAUST COLOR
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
BLEEDING AIR FROM FUEL CIRCUIT
MEASURING ENGINE OIL PRESSURE
TESTING AND ADJUSTING FAN BELT TENSION
MEASURING POWER TRAIN OIL PRESSURE
ADJUSTING PPC VALVE
BLEEDING AIR FROM STEERING CIRCUIT
MEASURING AND ADJUSTING WORK EQUIPMENT MAIN RELIEF PRESSURE
BLEEDING AIR FROM HYDRAULIC CYLINDERS
BLEEDING AIR FROM ANGLE CYLINDER CIRCUIT
ADJUSTING FUEL CONTROL CABLE
ADJUSTING FUEL CONTROL LEVER
PROCEDURE FOR ADJUSTING ENGINE STOP MOTOR CABLE
ADJUSTING ENGINE STOP SOLENOID LINKAGE
ADJUSTING TRANSMISSION CONTROL LINKAGE
ADJUSTING TRAVEL OF INCHING PEDAL
ADJUSTING BRAKE PEDAL, STEERING BRAKE CYLINDER
ADJUSTING BRAKE LINING CLEARANCE
TROUBLESHOOTING
DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
STARTING MOTOR
ALTERNATOR
ENGINE OIL COOLER CORE
FUEL INJECTION PUMP
WATER PUMP
THERMOSTAT
NOZZLE HOLDER
TURBOCHARGER
CYLINDER HEAD
RADIATOR GUARD
RADIATOR
RADIATOR, RADIATOR GUARD
ENGINE
DAMPER
HYDROSHIFT TRANSMISSION
MODULATING VALVE AND PUMP
MODULATING VALVE
SELECTOR AND INCHING VALVE
MAIN RELIEF VALVE
STEERING PPC VALVE
STEERING CLUTCH
BEVEL GEAR SHAFT AND BEVEL GEAR
FINAL DRIVE FIRST PINION
FINAL DRIVE
TRACK FRAME
RECOIL SPRING
IDLER
CARRIER ROLLER
TRACK ROLLER
TRACK SHOE
HYDRAULIC PUMP
HYDRAULIC CONTROL VALVE
BLADE LIFT CYLINDER
BLADE TILT CYLINDER
BLADE ANGLE CYLINDER
BUCKET LIFT CYLINDER
BUCKET DUMP CYLINDER
HYDRAULIC CYLINDER
WORK EQUIPMENT
BLADE
WORK EQUIPMENT
BUCKET
OPERATOR’S SEAT FRAME
MAINTENANCE STANDARD
DAMPER AND UNIVERSAL JOINT
HYDROSHIFT TRANSMISSION
TRANSMISSION CONTROL VALVE
TRANSMISSION AND STEERING PUMP
PPC VALVE
STEERING CYLINDER
BEVEL GEAR SHAFT
STEERING CLUTCH
STEERING BRAKE
FINAL DRIVE
TRACK FRAME
IDLER CUSHION
IDLER
TRACK ROLLER
CARRIER ROLLER
TRACK (LUBRICATED TRACK LINK) D31E, P, PL, PLL-20, D31P-20A, D37E-5, D37P-5A
TRACK (DRY TYPE TRACK LINK) D31E, P, PL, PLL-20, D31P-20A, D37E-5, D37P-5A
TRACK (LUBRICATED TRACK LINK) D31S, Q-20
TRACK (DRY TYPE TRACK LINK) D31S, Q-20
HYDRAULIC PUMP
HYDRAULIC CONTROL VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT
OTHERS
TRIMMING DOZER
This manual will assist you in diagnosing, repairing, and adjusting for your crawler dozer.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.
Covered Models (Japan):
D31E-20 (SN: 42001-)
D31P-20 (SN: 45001-)
D31PL-20 (SN: 45001-)
D31PLL-20 (SN: 45001-)
D31Q-20 (SN: 41001-)
D31S-20 (SN: 41001-)
D37E-5 (SN: 03001-)
D37P-5-A (SN: 03001-)
Format: PDF, 671 pages
Language: English
Table of Contents:
GENERAL
SPECIFICATION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
LIST OF LUBRICANT AND WATER
STRUCTURE AND FUNCTION
POWER TRAIN SYSTEM
POWER TRAIN SKELETON
POWER TRAIN HYDRAULIC PIPING
POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
POWER TRAIN HYDRAULIC SYSTEM
DAMPER AND UNIVERSAL JOINT
TRANSMISSION CONTROL
TRANSMISSION PUMP
HYDROSHIFT TRANSMISSION
TRANSMISSION CONTROL VALVE
STEERING CONTROL
STEERING CYLINDER
BRAKE CYLINDER
PPC VALVE
BEVEL GEAR SHAFT AND STEERING CLUTCH
STEERING BRAKE
FINAL DRIVE
TRACK FRAME
MAIN FRAME AND SUSPENSION
HYDRAULIC PIPING
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC CIRCUIT SYSTEM
HYDRAULIC CONTROL
HYDRAULIC TANK AND FILTER
HYDRAULIC CONTROL VALVE
ANGLE SELECTOR VALVE
SUCTION SAFETY VALVE
WORK EQUIPMENT
ELECTRICAL CIRCUIT DIAGRAM
ENGINE CONTROL
MONITOR SYSTEM
SENSORS
TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
TABLE OF TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
MEASURlNG ENGINE SPEED
MEASURING EXHAUST COLOR
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
BLEEDING AIR FROM FUEL CIRCUIT
MEASURING ENGINE OIL PRESSURE
TESTING AND ADJUSTING FAN BELT TENSION
MEASURING POWER TRAIN OIL PRESSURE
ADJUSTING PPC VALVE
BLEEDING AIR FROM STEERING CIRCUIT
MEASURING AND ADJUSTING WORK EQUIPMENT MAIN RELIEF PRESSURE
BLEEDING AIR FROM HYDRAULIC CYLINDERS
BLEEDING AIR FROM ANGLE CYLINDER CIRCUIT
ADJUSTING FUEL CONTROL CABLE
ADJUSTING FUEL CONTROL LEVER
PROCEDURE FOR ADJUSTING ENGINE STOP MOTOR CABLE
ADJUSTING ENGINE STOP SOLENOID LINKAGE
ADJUSTING TRANSMISSION CONTROL LINKAGE
ADJUSTING TRAVEL OF INCHING PEDAL
ADJUSTING BRAKE PEDAL, STEERING BRAKE CYLINDER
ADJUSTING BRAKE LINING CLEARANCE
TROUBLESHOOTING
DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
STARTING MOTOR
ALTERNATOR
ENGINE OIL COOLER CORE
FUEL INJECTION PUMP
WATER PUMP
THERMOSTAT
NOZZLE HOLDER
TURBOCHARGER
CYLINDER HEAD
RADIATOR GUARD
RADIATOR
RADIATOR, RADIATOR GUARD
ENGINE
DAMPER
HYDROSHIFT TRANSMISSION
MODULATING VALVE AND PUMP
MODULATING VALVE
SELECTOR AND INCHING VALVE
MAIN RELIEF VALVE
STEERING PPC VALVE
STEERING CLUTCH
BEVEL GEAR SHAFT AND BEVEL GEAR
FINAL DRIVE FIRST PINION
FINAL DRIVE
TRACK FRAME
RECOIL SPRING
IDLER
CARRIER ROLLER
TRACK ROLLER
TRACK SHOE
HYDRAULIC PUMP
HYDRAULIC CONTROL VALVE
BLADE LIFT CYLINDER
BLADE TILT CYLINDER
BLADE ANGLE CYLINDER
BUCKET LIFT CYLINDER
BUCKET DUMP CYLINDER
HYDRAULIC CYLINDER
WORK EQUIPMENT
BLADE
WORK EQUIPMENT
BUCKET
OPERATOR’S SEAT FRAME
MAINTENANCE STANDARD
DAMPER AND UNIVERSAL JOINT
HYDROSHIFT TRANSMISSION
TRANSMISSION CONTROL VALVE
TRANSMISSION AND STEERING PUMP
PPC VALVE
STEERING CYLINDER
BEVEL GEAR SHAFT
STEERING CLUTCH
STEERING BRAKE
FINAL DRIVE
TRACK FRAME
IDLER CUSHION
IDLER
TRACK ROLLER
CARRIER ROLLER
TRACK (LUBRICATED TRACK LINK) D31E, P, PL, PLL-20, D31P-20A, D37E-5, D37P-5A
TRACK (DRY TYPE TRACK LINK) D31E, P, PL, PLL-20, D31P-20A, D37E-5, D37P-5A
TRACK (LUBRICATED TRACK LINK) D31S, Q-20
TRACK (DRY TYPE TRACK LINK) D31S, Q-20
HYDRAULIC PUMP
HYDRAULIC CONTROL VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT
OTHERS
TRIMMING DOZER
General
Generation
20Language
EnglishModel of Truck
D31E-20, D31P-20, D31PL-20, D31PLL-20, D31Q-20, D31S-20, D37E-5, D37P-5-ARegion
JapanTruck Class
D31, D37Type of Document
Workshop ManualType of Truck
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