Komatsu Wheel Loader WA380-3 service & repair manual

Description Komatsu Wheel Loader WA380-3 service & repair manual

Komatsu Wheel Loader WA380-3 pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
10001 and up
16001 and up
50001 and up
H20051 and up

Technical data, specifications, maintenance, testing, troubleshooting, electrical wiring diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
GENERAL
General assembly drawing
Specifications
Weight table
List of lubricant and water

STRUCTURE AND FUNCTION
Power train
Power train system
Torque converter, transmission piping
Transmission hydraulic system diagram
Transmission hydraulic circuit
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)
Parking brake control
Parking brake
Parking brake solenoid valve
Parking brake valve
Parking brake emergency release solenoid valve
Power train system
Torque converter, transmission piping
Transmission hydraulic system diagram
Transmission hydraulic circuit
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)
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
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
ROPS cab
Air conditioner
Electric circuit diagram
Machine monitor system
Main monitor
Maintenance monitor
Work equipment control system
Sensors
Engine starting circuit
Engine stop circuit
Preheating circuit
Electric transmission control
Kick-down switch
Kick-down electric circuit diagram
Transmission cut-off switch
Transmission cut-off function
Electric parking brake control

TESTING AND ADJUSTING
Standard value table or engine
Standard value table for chassis
Standard value table for electrical system
Toots for testing, adjusting and troubleshooting
Adjusting valve clearance
Measuring compression pressure
Testing and adjusting fuel injection timing
Measuring exhaust color
Measuring intake air pressure (Boost pressure)
Measuring exhaust gas temperature
Measuring engine oil pressure
Measuring engine speed
Testing and adjusting fan belt tension
Method for adjusting engine stop motor cable
Measuring accelerator pedal
Measuring operating force travel of speed lever
Measuring stall speed
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
Testing and adjusting accumulator charge pressure
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
Adjustng main monitor (speedometer module)
Adjust rig boom, bucket angle potentiometer

TROUBLESHOOTING

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
STARTING MOTOR
ALTERNATOR
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
TRANSMISSION MODULATING VALVE
DRIVE SHAFT
FRONT AXLE
REAF AXLE
DIFFERENTIAL
AXLE HOUSING
CENTER HINGE PIN
STEERING VALVE
ORBIT-ROLL VALVE
STEERING CYLINDER
BRAKE VALVE
RIGHT BRAKE VALVE (TANDEM)
LEFT BRAKE VALVE (SINGLE)
PARKING BRAKE DISC
HYDRAULIC TANK
HYDRAULIC FILTER
HYDRAULIC, STEERING, SWITCH
PPC PUMP
MAIN CONTROL 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 STANDARDS
Engine mount, transmission mount
Torque converter charging pump
Torque converter
Transmission
Transmission control valve
Modulation valve assembly
Accumulator valve
Drive shaft
Differential
Final drive
Axle mount
Center hinge pin
Steering column
Steering valve
Steering cylinder mount
Brake
Brake valve
Parking brake
Hydraulic pump
Main control valve
PPC valve
Hydraulic cylinder
Work equipment linkage
Bucket positioner and boom kick-out

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