








$25.00
Generation
5Language
EnglishModel of Truck
D375A-5Region
JapanTruck Class
D375Illustrated factory Workshop Manual for Komatsu Crawler Dozers Models D375A-5.
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):
D375A-5 (SN: 18200-)
Format: PDF, 693 pages
Language: English
Table of Contents:
GENERAL
SPECIFICATION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
TABLE OF FUEL, COOLANT AND LUBRICANTS
STRUCTURE AND FUNCTION
ENGINE CONTROL
POWER TRAIN
OVERALL DRAWING OF POWER TRAIN UNIT
POWER TRAIN HYDRAULIC PIPING DIAGRAM
POWER TRAIN HYDRAULIC CIRCUIT DRAWING
DAMPER, UNIVERSAL JOINT
TORQUE CONVERTER, PTO
TORQUE CONVERTER VALVE
TRANSMISSION CONTROL
TRANSMISSION
TRANSMISSION CONTROL VALVE
TRANSMISSION LUBRICATION RELIEF VALVE
SCAVENGING PUMP STRAINER
OVERFLOW VALVE
POWER TRAIN PUMP STRAINER
POWER TRAIN, LUBRICATING OIL FILTER
STEERING, BRAKE CONTROL
TRANSFER, BEVEL GEAR SHAFT, STEERING
STEERING CONTROL VALVE
FINAL DRIVE
TRACK FRAME
RECOIL SPRING
TRACK ROLLER BOGIE
MAIN FRAME
SUSPENSION
PPC CONTROL PIPING DIAGRAM
WORK EQUIPMENT CONTROL
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC TANK
PPC CHARGE VALVE
ACCUMULATOR
PPC LOCK VALVE
PISTON VALVE
QUICK DROP VALVE
PIN PULLER SWITCH
PIN PULLER SOLENOID VALVE
BLADE CONTROL KNOB
MAIN CONTROL VALVE
CYLINDER STAY
BLADE
RIPPER
CAB MOUNT
CAB
AIR CONDITIONER
MONITOR SYSTEM
SWITCH PANEL
FUSE BOX
ENGINE START SAFETY SYSTEM
APS
TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
STANDARD VALUE TABLE FOR ELECTRICAL RELATED PARTS
STANDARD VALUE TABLE FOR MONITOR
TABLE OF TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
MEASURING ENGINE SPEED
MEASURING EXHAUST COLOR
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
MEASURING ENGINE OIL PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
TESTING AND ADJUSTING ALTERNATOR BELT TENSION
TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
MEASURING EXHAUST TEMPERATURE
MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)
MEASURING TORQUE CONVERTER STALL SPEED
MEASURING SPEED AT TORQUE CONVERTER STALL + HYDRAULIC PUMP RELIEF (FULL STALL)
ADJUSTING FUEL CONTROL LINKAGE
ADJUSTING DECELERATOR PEDAL
ADJUSTING JOYSTICK (STEERING, DIRECTIONAL, SPEED CONTROL LEVER), PARKING BRAKE LEVEL LINKAGE
ADJUSTING BRAKE PEDAL LINKAGE
ADJUSTING WORK EQUIPMENT CONTROL LINKAGE
MEASURING POWER TRAIN OIL PRESSURE
MEASURING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE
TESTING AND ADJUSTING WORK EQUIPMENT CONTROL CIRCUIT PRESSURE
MEASURING PPC VALVE OUTPUT PRESSURE
ADJUSTING PPC VALVE
MEASURING ON-OFF SOLENOID VALVE OUTPUT PRESSURE
BLEEDING AIR FROM HYDRAULIC CYLINDERS
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
CHECKING LOCATION OF CAUSE OF HYDRAULIC DRIFT OF BLADE AND RIPPER
MEASURING LEAKAGE INSIDE HYDRAULIC CYLINDER
ADJUSTING SEMI U-TILTDOZER
ADJUSTING IDLER CLEARANCE
SIMPLE PROCEDURE FOR TESTING BRAKE PERFORMANCE
TROUBLESHOOTING
DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
SKETCH OF SPECIAL TOOLS
STARTING MOTOR
ALTERNATOR
ENGINE OIL COOLER
FUEL INJECTION PUMP
WATER PUMP
THERMOSTAT
TURBOCHARGER
AFTERCOOLER CORE
NOZZLE HOLDER
ENGINE FRONT SEAL
ENGINE REAR SEAL
CYLINDER HEAD
FUEL TANK
RADIATOR
RADIATOR GUARD
ENGINE
DAMPER
POWER TRAIN UNIT
PTO
TORQUE CONVERTER
TORQFLOW TRANSMISSION
STEERING CASE
POWER TRAIN,LUBRICATION PUMP
SCAVENGING PUMP
TORQUE CONVERTER OIL COOLER
TORQUE CONVERTER VALVE
TRANSMISSION CONTROL VALVE
TRANSMISSION LUBRICATION VALVE
STEERING CONTROL VALVE
FINAL DRIVE
TACK FRAME
IDLER ASSEMBLY
RECOIL SPRING
TRACK ROLLER
BOGIE ASSEMBLY
ST BOGIE ASSEMBLY
TRACK SHOE
ONE LINK
MASTER LINK
PIVOT SHAFT ASSEMBLY
EQUALIZER BAR
EQUALIZER BAR BUSHING
SEGMENT TOOTH
HYDRAULIC TANK
WORK EQUIPMENT,PPC PUMP
BLADE LIFT VALVE
BLADE TILT,RIPPER LO VALVE
RIPPER HI VALVE
PPC CHARGE VALVE
BLADE PPC VALVE
RIPPER PPC VALVE
BLADE LIFT CYLINDER
BLADE TILT CYLINDER
RIPPER LIFT CYLINDER
RIPPER TILT CYLINDER
HYDRAULIC CYLINDER
RIPPER PIN-PULLER
BLADE
GIANT RIPPER
ROPS GUARD
OPERATOR`S CAB
FLOOR FRAME
DASHBOARD
MONITOR PANEL
APS CONTROLLER
AIR CONDITIONER COMPRESSOR
AIR CONDITIONER CONDENSER
HOOD
MAINTENANCE STANDARD
ENGINE MOUNT
DAMPER, UNIVERSAL JOINT
TORQUE CONVERTER
TORQUE CONVERTER VALVE
TRANSMISSION
TRANSMISSION CONTROL VALVE
POWER TRAIN LUBRICATION + POWER TRAIN PUMP
SCAVENGING PUMP
TRANSFER, BEVEL PINION
BEVEL GEAR SHAFT, STEERING CLUTCH, BRAKE
STEERING CONTROL VALVE
FINAL DRIVE
MAIN FRAME
IDLER
TRACK ROLLER
CARRIER ROLLER
TRACK SHOE
WORK EQUIPMENT + PPC CHARGE PUMP
WORK EQUIPMENT CONTROL VALVE
PPC VALVE
PPC CHARGE VALVE
WORK EQUIPMENT CYLINDER
QUICK DROP VALVE
CYLINDER STAY
BLADE
RIPPER EQUIPMENT
OTHERS
ELECTRICAL CIRCUIT DIAGRAM (1/2)
ELECTRICAL CIRCUIT DIAGRAM (2/2)
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):
D375A-5 (SN: 18200-)
Format: PDF, 693 pages
Language: English
Table of Contents:
GENERAL
SPECIFICATION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
TABLE OF FUEL, COOLANT AND LUBRICANTS
STRUCTURE AND FUNCTION
ENGINE CONTROL
POWER TRAIN
OVERALL DRAWING OF POWER TRAIN UNIT
POWER TRAIN HYDRAULIC PIPING DIAGRAM
POWER TRAIN HYDRAULIC CIRCUIT DRAWING
DAMPER, UNIVERSAL JOINT
TORQUE CONVERTER, PTO
TORQUE CONVERTER VALVE
TRANSMISSION CONTROL
TRANSMISSION
TRANSMISSION CONTROL VALVE
TRANSMISSION LUBRICATION RELIEF VALVE
SCAVENGING PUMP STRAINER
OVERFLOW VALVE
POWER TRAIN PUMP STRAINER
POWER TRAIN, LUBRICATING OIL FILTER
STEERING, BRAKE CONTROL
TRANSFER, BEVEL GEAR SHAFT, STEERING
STEERING CONTROL VALVE
FINAL DRIVE
TRACK FRAME
RECOIL SPRING
TRACK ROLLER BOGIE
MAIN FRAME
SUSPENSION
PPC CONTROL PIPING DIAGRAM
WORK EQUIPMENT CONTROL
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC TANK
PPC CHARGE VALVE
ACCUMULATOR
PPC LOCK VALVE
PISTON VALVE
QUICK DROP VALVE
PIN PULLER SWITCH
PIN PULLER SOLENOID VALVE
BLADE CONTROL KNOB
MAIN CONTROL VALVE
CYLINDER STAY
BLADE
RIPPER
CAB MOUNT
CAB
AIR CONDITIONER
MONITOR SYSTEM
SWITCH PANEL
FUSE BOX
ENGINE START SAFETY SYSTEM
APS
TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
STANDARD VALUE TABLE FOR ELECTRICAL RELATED PARTS
STANDARD VALUE TABLE FOR MONITOR
TABLE OF TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
MEASURING ENGINE SPEED
MEASURING EXHAUST COLOR
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
MEASURING ENGINE OIL PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
TESTING AND ADJUSTING ALTERNATOR BELT TENSION
TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
MEASURING EXHAUST TEMPERATURE
MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)
MEASURING TORQUE CONVERTER STALL SPEED
MEASURING SPEED AT TORQUE CONVERTER STALL + HYDRAULIC PUMP RELIEF (FULL STALL)
ADJUSTING FUEL CONTROL LINKAGE
ADJUSTING DECELERATOR PEDAL
ADJUSTING JOYSTICK (STEERING, DIRECTIONAL, SPEED CONTROL LEVER), PARKING BRAKE LEVEL LINKAGE
ADJUSTING BRAKE PEDAL LINKAGE
ADJUSTING WORK EQUIPMENT CONTROL LINKAGE
MEASURING POWER TRAIN OIL PRESSURE
MEASURING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE
TESTING AND ADJUSTING WORK EQUIPMENT CONTROL CIRCUIT PRESSURE
MEASURING PPC VALVE OUTPUT PRESSURE
ADJUSTING PPC VALVE
MEASURING ON-OFF SOLENOID VALVE OUTPUT PRESSURE
BLEEDING AIR FROM HYDRAULIC CYLINDERS
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
CHECKING LOCATION OF CAUSE OF HYDRAULIC DRIFT OF BLADE AND RIPPER
MEASURING LEAKAGE INSIDE HYDRAULIC CYLINDER
ADJUSTING SEMI U-TILTDOZER
ADJUSTING IDLER CLEARANCE
SIMPLE PROCEDURE FOR TESTING BRAKE PERFORMANCE
TROUBLESHOOTING
DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
SKETCH OF SPECIAL TOOLS
STARTING MOTOR
ALTERNATOR
ENGINE OIL COOLER
FUEL INJECTION PUMP
WATER PUMP
THERMOSTAT
TURBOCHARGER
AFTERCOOLER CORE
NOZZLE HOLDER
ENGINE FRONT SEAL
ENGINE REAR SEAL
CYLINDER HEAD
FUEL TANK
RADIATOR
RADIATOR GUARD
ENGINE
DAMPER
POWER TRAIN UNIT
PTO
TORQUE CONVERTER
TORQFLOW TRANSMISSION
STEERING CASE
POWER TRAIN,LUBRICATION PUMP
SCAVENGING PUMP
TORQUE CONVERTER OIL COOLER
TORQUE CONVERTER VALVE
TRANSMISSION CONTROL VALVE
TRANSMISSION LUBRICATION VALVE
STEERING CONTROL VALVE
FINAL DRIVE
TACK FRAME
IDLER ASSEMBLY
RECOIL SPRING
TRACK ROLLER
BOGIE ASSEMBLY
ST BOGIE ASSEMBLY
TRACK SHOE
ONE LINK
MASTER LINK
PIVOT SHAFT ASSEMBLY
EQUALIZER BAR
EQUALIZER BAR BUSHING
SEGMENT TOOTH
HYDRAULIC TANK
WORK EQUIPMENT,PPC PUMP
BLADE LIFT VALVE
BLADE TILT,RIPPER LO VALVE
RIPPER HI VALVE
PPC CHARGE VALVE
BLADE PPC VALVE
RIPPER PPC VALVE
BLADE LIFT CYLINDER
BLADE TILT CYLINDER
RIPPER LIFT CYLINDER
RIPPER TILT CYLINDER
HYDRAULIC CYLINDER
RIPPER PIN-PULLER
BLADE
GIANT RIPPER
ROPS GUARD
OPERATOR`S CAB
FLOOR FRAME
DASHBOARD
MONITOR PANEL
APS CONTROLLER
AIR CONDITIONER COMPRESSOR
AIR CONDITIONER CONDENSER
HOOD
MAINTENANCE STANDARD
ENGINE MOUNT
DAMPER, UNIVERSAL JOINT
TORQUE CONVERTER
TORQUE CONVERTER VALVE
TRANSMISSION
TRANSMISSION CONTROL VALVE
POWER TRAIN LUBRICATION + POWER TRAIN PUMP
SCAVENGING PUMP
TRANSFER, BEVEL PINION
BEVEL GEAR SHAFT, STEERING CLUTCH, BRAKE
STEERING CONTROL VALVE
FINAL DRIVE
MAIN FRAME
IDLER
TRACK ROLLER
CARRIER ROLLER
TRACK SHOE
WORK EQUIPMENT + PPC CHARGE PUMP
WORK EQUIPMENT CONTROL VALVE
PPC VALVE
PPC CHARGE VALVE
WORK EQUIPMENT CYLINDER
QUICK DROP VALVE
CYLINDER STAY
BLADE
RIPPER EQUIPMENT
OTHERS
ELECTRICAL CIRCUIT DIAGRAM (1/2)
ELECTRICAL CIRCUIT DIAGRAM (2/2)
General
Generation
5Language
EnglishModel of Truck
D375A-5Region
JapanTruck Class
D375Type of Document
Workshop ManualType of Truck
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