








$25.00
Generation
3-LLanguage
EnglishModel of Truck
WA380-3-LRegion
JapanTruck Class
WA380Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA380-3-L.
This manual will assist you in diagnosing, repairing, and adjusting for your 4wd wheeled loader.
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):
WA380-3-L (SN: A50001-)
Format: PDF, 758 pages
Language: English
Table of Contents:
GENERAL
SPECIFICATION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
ENGINE OIL SPECIFICATIONS
DIESEL FUEL SPECIFICATIONS
COOLANT SPECIFICATIONS
STRUCTURE AND FUNCTION
POWER TRAIN
POWER TRAIN SYSTEM
TORQUE CONVERTER, TRANSMISSION PIPING
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
TORQUE CONVERTER
TORQUE CONVERTER OIL FILTER
TRANSMISSION
TRANSMISSION CONTROL VALVE
DRIVE SHAFT
AXLE
DIFFERENTIAL
FINAL DRIVE
AXLE MOUNT, CENTER HINGE PIN
STEERING PIPING
STEERING COLUMN
STEERING VALVE
ORBIT-ROLL VALVE
STOP VALVE
EMERGENCY STEERING PUMP
DIVERTER VALVE
BRAKE PIPING
BRAKE HYDRAULIC CIRCUIT DIAGRAM
BRAKE VALVE
ACCUMULATOR CHARGE VALVE
ACCUMULATOR (FOR BRAKE)
BRAKE
PARKING BRAKE CONTROL
PARKING BRAKE
PARKING BRAKE SOLENOID VALVE
PARKING BRAKE VALVE
PARKING BRAKE EMERGENCY RELEASE SOLENOID VALVE
HYDRAULIC PIPING
WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
WORK EQUIPMENT LEVER LINKAGE
HYDRAULIC TANK
PPC VALVE
PPC RELIEF VALVE
ACCUMULATOR (FOR PPC VALVE)
MAIN CONTROL VALVE
WORK EQUIPMENT LINKAGE
BUCKET
BUCKET POSITIONER AND BOOM KICK-OUT
CAB
AIR CONDITIONER
ELECRIC CIRCUIT DIAGRAM
ELECTRIC CIRCUIT DIAGRAM (1/4)
ELECTRIC CIRCUIT DIAGRAM (2/4)
ELECTRIC CIRCUIT DIAGRAM (3/4)
ELECTRIC CIRCUIT DIAGRAM (4/4)
ELECTRIC CIRCUIT DIAGRAM
ELECTRIC CIRCUIT DIAGRAM
MACHINE MONITOR SYSTEM
MAIN MONITOR
MAINTENANCE MONITOR
TRANSMISSION AUTO-SHIFT CONTROL SYSTEM
E.C.S.S. (ELECTRONICALLY CONTROL SUSPENSION SYSTEM)
SENSORS
ENGINE STARTING CIRCUIT
ENGINE STOP CIRCUIT
ETHER START CIRCUIT
ELECTRIC TRANSMISSION CONTROL
KICK-DOWN, HOLD SWITCH
KICK-DOWN ELECTRIC CIRCUIT DIAGRAM
TRANSMISSION CUT-OFF FUNCTION
ELECTRIC PARKING BRAKE CONTROL
STRUCTURE AND FUNCTION
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
SERVICE TOOLS FOR TESTING, ADJUSTING & TROUBLESHOOTING
MEASURING ENGINE SPEEDS
MEASURING INTAKE MANIFOLD PRESSURE
MEASURING INTAKE AIR RESTRICTION
MEASURING LUBRICATING OIL PRESSURE
MEASURING FUEL FILTER INLET RESTRICTION
MEASURING BLOW-BY PRESSURE
MEASURING EXHAUST BACK PRESSURE
MEASURING EXHAUST GAS COLOR
MEASURING COOLANT TEMPERATURE
MEASURING AND ADJUSTING VALVE CLEARANCE
MEASURING WASTEGATE ACTUATOR CALIBRATION
MEASURING STALL SPEEDS
MEASURING ACCELERATOR PEDAL
MEASURING OPERATING FORCE & TRAVEL OF DIRECTIONAL & SPEED LEVERS
MEASURING TORQUE CONVERTER, TRANSMISSION, PARKING BRAKE OIL PRESSURE
METHOD OF OPERATING EMERGENCY MANUAL SPOOL
MEASURING CLEARANCE BETWEEN TIRE AND WHEEL
TESTING AND ADJUSTING STEERING WHEEL
TESTING AND ADJUSTING STEERING CONTROL
MEASURING STEERING OIL PRESSURE
MEASURING OPERATING FORCE, TRAVEL OF BRAKE PEDAL
MEASURING BRAKE PERFORMANCE
TESTING BRAKE OIL PRESSURE
TESTING FOR BRAKE DISC WEAR
BLEEDING AIR FROM BRAKE SYSTEM
MEASURING PARKING BRAKE PERFORMANCE
MANUAL RELEASE METHOD FOR PARKING BRAKE
TESTING WEAR OF PARKING BRAKE DISC
MEASURING WORK EQUIPMENT CONTROL LEVER
MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
MEASURING PPC VALVE PRESSURE
MEASURING WORK EQUIPMENT
TESTING AND ADJUSTING BUCKET POSITIONER
TESTING AND ADJUSTING BOOM KICK-OUT
ADJUSTING MAIN MONITOR (SPEEDOMETER MODULE)
TROUBLESHOOTING
DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
STARTING MOTOR
ENGINE OIL COOLER
FUEL INJECTION PUMP
WATER PUMP
TURBOCHARGER
NOZZLE HOLDER
THERMOSTAT
CYLINDER HEAD
RADIATOR
ENGINE
TORQUE CONVERTER CHARGING PUMP
TORQUE CONVERTER, TRANSMISSION
TORQUE CONVERTER
TRANSMISSION
TRANSMISSION CLUTCH PACK
TRANSMISSION CONTROL VALVE
TRANSMISSION ACCUMULATOR VALVE
DRIVE SHAFT
FRONT AXLE
REAR AXLE
DIFFERENTIAL
AXLE HOUSING
CENTER HINGE PIN
STEERING VALVE
ORBIT-ROLL VALVE
STEERING CYLINDER
BRAKE VALUE
RIGHT BRAKE VALVE
LEFT BRAKE VALVE
PARKING BRAKE DISC
HYDRAULIC TANK
HYDRAULIC FILTER
HYDRAULIC, STEERING, SWITCH, PPC PUMP
MAIN CONTROL VALVE
SPOOL VALVE
PPC VALVE
BUCKET CYLINDER
BOOM CYLINDER
HYDRAULIC CYLINDER
WORK EQUIPMENT
COUNTERWEIGHT
FUEL TANK
CAB, FLOOR FRAME
CAB
MAIN MONITOR
MAINTENANCE MONITOR
AIR CONDITIONER UNIT
AIR CONDITIONER CONDENSER
DRY RECEIVER
AIR CONDITIONER CONDENSER COMPRESSOR
MAINTENANCE STANDARD
ENGINE MOUNT, TRANSMISSION MOUNT
TORQUE CONVERTER CHARGING PUMP
TORQUE CONVERTER
TRANSMISSION
TRANSMISSION CONTROL VALVE
FLOW CONTROL VALVE
ACCUMULATOR VALVE
DRIVE SHAFT
DIFFERENTIAL (1/2)
FINAL DRIVE
AXLE MOUNT
CENTER HINGE PIN
STEERING COLUMN
STEERING VALVE
STEERING CYLINDER MOUNT
BRAKE
BRAKE VALVE
PARKING BRAKE
MAIN CONTROL VALVE
PPC VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT LINKAGE
BUCKET
BUCKET POSITIONER AND BOOM KICK-OUT
This manual will assist you in diagnosing, repairing, and adjusting for your 4wd wheeled loader.
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):
WA380-3-L (SN: A50001-)
Format: PDF, 758 pages
Language: English
Table of Contents:
GENERAL
SPECIFICATION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
ENGINE OIL SPECIFICATIONS
DIESEL FUEL SPECIFICATIONS
COOLANT SPECIFICATIONS
STRUCTURE AND FUNCTION
POWER TRAIN
POWER TRAIN SYSTEM
TORQUE CONVERTER, TRANSMISSION PIPING
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
TORQUE CONVERTER
TORQUE CONVERTER OIL FILTER
TRANSMISSION
TRANSMISSION CONTROL VALVE
DRIVE SHAFT
AXLE
DIFFERENTIAL
FINAL DRIVE
AXLE MOUNT, CENTER HINGE PIN
STEERING PIPING
STEERING COLUMN
STEERING VALVE
ORBIT-ROLL VALVE
STOP VALVE
EMERGENCY STEERING PUMP
DIVERTER VALVE
BRAKE PIPING
BRAKE HYDRAULIC CIRCUIT DIAGRAM
BRAKE VALVE
ACCUMULATOR CHARGE VALVE
ACCUMULATOR (FOR BRAKE)
BRAKE
PARKING BRAKE CONTROL
PARKING BRAKE
PARKING BRAKE SOLENOID VALVE
PARKING BRAKE VALVE
PARKING BRAKE EMERGENCY RELEASE SOLENOID VALVE
HYDRAULIC PIPING
WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
WORK EQUIPMENT LEVER LINKAGE
HYDRAULIC TANK
PPC VALVE
PPC RELIEF VALVE
ACCUMULATOR (FOR PPC VALVE)
MAIN CONTROL VALVE
WORK EQUIPMENT LINKAGE
BUCKET
BUCKET POSITIONER AND BOOM KICK-OUT
CAB
AIR CONDITIONER
ELECRIC CIRCUIT DIAGRAM
ELECTRIC CIRCUIT DIAGRAM (1/4)
ELECTRIC CIRCUIT DIAGRAM (2/4)
ELECTRIC CIRCUIT DIAGRAM (3/4)
ELECTRIC CIRCUIT DIAGRAM (4/4)
ELECTRIC CIRCUIT DIAGRAM
ELECTRIC CIRCUIT DIAGRAM
MACHINE MONITOR SYSTEM
MAIN MONITOR
MAINTENANCE MONITOR
TRANSMISSION AUTO-SHIFT CONTROL SYSTEM
E.C.S.S. (ELECTRONICALLY CONTROL SUSPENSION SYSTEM)
SENSORS
ENGINE STARTING CIRCUIT
ENGINE STOP CIRCUIT
ETHER START CIRCUIT
ELECTRIC TRANSMISSION CONTROL
KICK-DOWN, HOLD SWITCH
KICK-DOWN ELECTRIC CIRCUIT DIAGRAM
TRANSMISSION CUT-OFF FUNCTION
ELECTRIC PARKING BRAKE CONTROL
STRUCTURE AND FUNCTION
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
SERVICE TOOLS FOR TESTING, ADJUSTING & TROUBLESHOOTING
MEASURING ENGINE SPEEDS
MEASURING INTAKE MANIFOLD PRESSURE
MEASURING INTAKE AIR RESTRICTION
MEASURING LUBRICATING OIL PRESSURE
MEASURING FUEL FILTER INLET RESTRICTION
MEASURING BLOW-BY PRESSURE
MEASURING EXHAUST BACK PRESSURE
MEASURING EXHAUST GAS COLOR
MEASURING COOLANT TEMPERATURE
MEASURING AND ADJUSTING VALVE CLEARANCE
MEASURING WASTEGATE ACTUATOR CALIBRATION
MEASURING STALL SPEEDS
MEASURING ACCELERATOR PEDAL
MEASURING OPERATING FORCE & TRAVEL OF DIRECTIONAL & SPEED LEVERS
MEASURING TORQUE CONVERTER, TRANSMISSION, PARKING BRAKE OIL PRESSURE
METHOD OF OPERATING EMERGENCY MANUAL SPOOL
MEASURING CLEARANCE BETWEEN TIRE AND WHEEL
TESTING AND ADJUSTING STEERING WHEEL
TESTING AND ADJUSTING STEERING CONTROL
MEASURING STEERING OIL PRESSURE
MEASURING OPERATING FORCE, TRAVEL OF BRAKE PEDAL
MEASURING BRAKE PERFORMANCE
TESTING BRAKE OIL PRESSURE
TESTING FOR BRAKE DISC WEAR
BLEEDING AIR FROM BRAKE SYSTEM
MEASURING PARKING BRAKE PERFORMANCE
MANUAL RELEASE METHOD FOR PARKING BRAKE
TESTING WEAR OF PARKING BRAKE DISC
MEASURING WORK EQUIPMENT CONTROL LEVER
MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
MEASURING PPC VALVE PRESSURE
MEASURING WORK EQUIPMENT
TESTING AND ADJUSTING BUCKET POSITIONER
TESTING AND ADJUSTING BOOM KICK-OUT
ADJUSTING MAIN MONITOR (SPEEDOMETER MODULE)
TROUBLESHOOTING
DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
STARTING MOTOR
ENGINE OIL COOLER
FUEL INJECTION PUMP
WATER PUMP
TURBOCHARGER
NOZZLE HOLDER
THERMOSTAT
CYLINDER HEAD
RADIATOR
ENGINE
TORQUE CONVERTER CHARGING PUMP
TORQUE CONVERTER, TRANSMISSION
TORQUE CONVERTER
TRANSMISSION
TRANSMISSION CLUTCH PACK
TRANSMISSION CONTROL VALVE
TRANSMISSION ACCUMULATOR VALVE
DRIVE SHAFT
FRONT AXLE
REAR AXLE
DIFFERENTIAL
AXLE HOUSING
CENTER HINGE PIN
STEERING VALVE
ORBIT-ROLL VALVE
STEERING CYLINDER
BRAKE VALUE
RIGHT BRAKE VALVE
LEFT BRAKE VALVE
PARKING BRAKE DISC
HYDRAULIC TANK
HYDRAULIC FILTER
HYDRAULIC, STEERING, SWITCH, PPC PUMP
MAIN CONTROL VALVE
SPOOL VALVE
PPC VALVE
BUCKET CYLINDER
BOOM CYLINDER
HYDRAULIC CYLINDER
WORK EQUIPMENT
COUNTERWEIGHT
FUEL TANK
CAB, FLOOR FRAME
CAB
MAIN MONITOR
MAINTENANCE MONITOR
AIR CONDITIONER UNIT
AIR CONDITIONER CONDENSER
DRY RECEIVER
AIR CONDITIONER CONDENSER COMPRESSOR
MAINTENANCE STANDARD
ENGINE MOUNT, TRANSMISSION MOUNT
TORQUE CONVERTER CHARGING PUMP
TORQUE CONVERTER
TRANSMISSION
TRANSMISSION CONTROL VALVE
FLOW CONTROL VALVE
ACCUMULATOR VALVE
DRIVE SHAFT
DIFFERENTIAL (1/2)
FINAL DRIVE
AXLE MOUNT
CENTER HINGE PIN
STEERING COLUMN
STEERING VALVE
STEERING CYLINDER MOUNT
BRAKE
BRAKE VALVE
PARKING BRAKE
MAIN CONTROL VALVE
PPC VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT LINKAGE
BUCKET
BUCKET POSITIONER AND BOOM KICK-OUT
General
Generation
3-LLanguage
EnglishModel of Truck
WA380-3-LRegion
JapanTruck Class
WA380Type of Document
Workshop ManualType of Truck
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