Komatsu Wheel Loader WA470-5 WA480-5 service & repair manual

Description Komatsu Wheel Loader WA470-5 WA480-5 service & repair manual

Komatsu Wheel Loader WA470-5, WA480-5 pdf workshop service manual + operation & maintenance manual

Serial numbers:
WA470-5 70001 and up
WA480-5 80001 and up

Specifications, testing, adjusting, troubleshooting, technical data, electrical wiring diagrams, hydraulic schematics, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
GENERAL
GENERAL ASSEMBLY DRAWING
SPECIFICATIONS
WEIGHT TABLE
LIST OF LUBRICANT AND COOLANT

STRUCTURE AND FUNCTION, MAINTENANCE STANDARD
RADIATOR, OIL COOLER
ENGINE MOUNT, TRANSMISSION MOUNT
POWER TRAIN
POWER TRAIN SYSTEM DIAGRAM
DRIVE SHAFT
TORQUE CONVERTER,TRANSMISSION PIPING
TORQUE CONVERTER
TRANSMISSION
TRANSMISSION CONTROL VALVE
AXLE
DIFFERENTIAL
FINAL DRIVE
AXLE MOUNTING,CENTER HINGE PIN
STEERING PIPING
STEERING COLUMN, ORBIT-ROLL
STEERING VALVE
ORBIT-ROLL VALVE
STOP VALVE
STEERING PUMP, SWITCH PUMP
EMERGENCY STEERING PUMP (IF EQUIPPED)
EMERGENCY STEERING MOTOR (IF EQUIPPED)
STEERING CYLINDER
JOYSTICK STEERING LEVER (IF EQUIPPED)
STEERING LEVER (IF EQUIPPED)
STEERING SWITCH VALVE (IF EQUIPPED)
BRAKE PIPING
BRAKE VALVE
CHARGE VALVE
ACCUMULATOR (FOR BRAKE)
SLACK ADJUSTER
BRAKE
PARKING BRAKE CONTROL
PARKING BRAKE
PARKING BRAKE SOLENOID VALVE
PARKING BRAKE EMERGENCY RELEASE VALVE
HYDRAULIC PIPING
WORK EQUIPMENT CONTROL LEVER
HYDRAULIC TANK
TORQUE CONVERTER CHARGING,WORK EQUIPMENT,AND PPC PUMPS
PPC RELIEF VALVE
ECSS VALVE (IF EQUIPPED)
WORK EQUIPMENT CONTROL VALVE
PPC VALVE
PPC VALVE (FOR MULTI FUNCTION MONO LEVER)
WORK EQUIPMENT CONTROL EPC VALVE (IF EQUIPPED)
SHUT OFF VALVE (IF EQUIPPED)
COOLING FAN MOTOR
COOLING FAN MOTOR DRIVE PUMP
WORK EQUIPMENT LINKAGE
BUCKET
BUCKET POSITIONER, BOOM KICK-OUT
WORK EQUIPMENT CYLINDER
CAB
AIR CONDITIONER (IF EQUIPPED)
MACHINE MONITORING SYSTEM
MACHINE MONITOR
TRANSMISSION CONTROL SYSTEM
TRANSMISSION CONTROLLER
WORK EQUIPMENT CONTROL SYSTEM (IF EQUIPPED)
WORK EQUIPMENT CONTROLLER (IF EQUIPPED)
ELECTRIC TRANSMISSION CONTROL
KICK DOWN, HOLD SWITCH
ENGINE STARTING CIRCUIT
ENGINE STOP CIRCUIT
PARKING BRAKE CIRCUIT
SENSORS

TESTING AND ADJUSTING
STANDARD VALUE TABLE
STAND ARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
MEASURING ENGINE SPEED
MEASURING EXHAUST COLOR
MEASURING EXHAUST TEMPERATURE
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
MEASURING ENGINE OIL PRESSURE
MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)
MEASURING FUEL PRESSURE
TESTING LEAKAGE THROUGH PRESSURE LIMITER AND RETURN RATE FROM INJECTOR
HANDLING EQUIPMENT IN FUEL SYSTEM
RELEASING REMAINING PRESSURE IN FUEL SYSTEM
BLEEDING AIR FROM FUEL CIRCUIT
REDUCED CYLINDER MODE OPERATION FOR ENGINE
CHECKING FOR LEAKAGE IN FUEL SYSTEM
ADJUSTING ACCELERATOR PEDAL POTENTIOMETER
ADJUSTING ACCELERATOR PEDAL MICROSWITCH
ADJUSTING TRANSMISSION SPEED SENSOR
TESTING AND ADJUSTING POWER TRAIN OIL PRESSURE
PROCEDURE FOR FLUSHING TORQUE CONVERTER, TRANSMISSION HYDRAULIC CIRCUIT
PROCEDURE FOR MOVING MACHINE WHEN TRANSMISSION VALVE FAILS
TESTING AND ADJUSTING STEERING CONTROL
TESTING AND ADJUSTING STEERING OIL PRESSURE
TESTING HYDRAULIC FAN
MEASURING BRAKE OIL PRESSURE
TESTING WEAR OF WHEEL BRAKE DISC
BLEEDING AIR FROM BRAKE CIRCUIT
TESTING WEAR OF PARKING BRAKE DISC
MANUAL RELEASE METHOD FOR PARKING BRAKE
TESTING AND ADJUSTING ACCUMULATOR CHARGE PRESSURE
TESTING AND ADJUSTING PPC OIL PRESSURE
TESTING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE
TESTING AND ADJUSTING BUCKET POSITIONER
TESTING AND ADJUSTING LIFT ARM KICK-OUT
CHECKING PROXIMITY SWITCH ACTUATION PILOT LAMP
ADJUSTING MACHINE MONITOR
TESTING AND ADJUSTING LOAD METER
BLEEDING AIR
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
RELEASING REMAINING PRESSURE IN ECSS DAMPER CIRCUIT
HANDLING CONTROLLER HIGH-VOLTAGE CIRCUIT
INDICATOR LAMPS OF KOMTRAX TERMINAL
PM-CLINIC INSPECTION TABLE

TROUBLESHOOTING
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
CHECKS BEFORE TROUBLESHOOTING
SPECIAL FUNCTIONS OF MACHINE MONITOR
CATEGORIES,PROCEDURE,AND METHOD OF USING TROUBLESHOOTING CHARTS
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
T-ADAPTER TABLE
CONNECTOR TYPES AND INSTALLATION POSITIONS
CONNECTORS LAYOUT DRAWING
TROUBLESHOOTING OF ENGINE CONTROL SYSTEM (ENG MODE)
TROUBLESHOOTING OF TRANSMISSION CONTROL SYSTEM (TM MODE)
TROUBLESHOOTING OF WORK EQUIPMENT CONTROL SYSTEM (WRK MODE)
TROUBLESHOOTING OF MONITOR SYSTEM (MON MODE)
TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)

DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
PRECAUTIONS WHEN PERFORMING OPERATION
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
FUEL SUPPLY PUMP ASSEMBLY
FUEL INJECTOR ASSEMBLY
NOZZLE TIP
CYLINDER HEAD ASSEMBLY
RADIATOR ASSEMBLY
AIR AFTERCOOLER ASSEMBLY
COOLONG FAN DRIVE MOTOR
ENGINE ASSEMBLY
STEERING, SWITCH PUMP, COOLING FAN DRIVE PUMP ASSEMBLY
TORQUE CONVERTER CHARGE, WORK EQUIPMENT AND PPC PUMP ASSEMBLY
TORQUE CONVERTER, TRANSMISSION ASSEMBLY
TORQUE CONVERTER ASSEMBLY (STANDARD SPECIFICATIONS)
TORQUE CONVERTER ASSEMBLY (LOCK-UP SPECIFICATIONS)
TRANSMISSION ASSEMBLY
TRANSMISSION CLUTCH PACK ASSEMBLY
PARKING BRAKE ASSEMBLY
FRONT AXLE ASSEMBLY
REAR AXLE ASSEMBLY
AXLE HOUSING ASSEMBLY
DIFFERENTIAL ASSEMBLY
CENTER HINGE PIN
STEERING VALVE ASSEMBLY
STEERING VALVE OIL SEAL
ECSS ASSEMBLY
PARKING BRAKE DISC
HYDRAULIC TANK
WORK EQUIPMENT VALVE ASSEMBLY
HYDRAULIC CYLINDER ASSEMBLY
WORK EQUIPMENT ASSEMBLY
COUNTERWEIGHT
FUEL TANK ASSEMBLY
CAB ASSEMBLY
CAB, FLOOR FRAME ASSEMBLY
OPERATOR'S CAB GLASS (STUCK GLASS)
AIR CONDITIONER UNIT ASSEMBLY
AIR CONDITIONER COMPRESSOR ASSEMBLY
OPERATOR'S SEAT ASSEMBLY

OTHERS
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM (FOR ELECTRIC WORK EQUIPMENT LEVER)
POWER TRAIN OIL CIRCUIT DIAGRAM (WITHOUT TORQUE CONVERTER LOCKUP CLUTCH)
POWER TRAIN OIL CIRCUIT DIAGRAM (WITH TORQUE CONVERTER LOCKUP CLUTCH)
BRAKE OIL CIRCUIT DIAGRAM
ELECTRICAL CIRCUIT DIAGRAM
AXLE OIL TEMPERATURE GAUGE ELECTRICAL CIRCUIT DIAGRAM

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