Komatsu Wheel Loader WA500-3H service & repair manual

Description Komatsu Wheel Loader WA500-3H service & repair manual

Komatsu Wheel Loader WA500-3H pdf workshop service repair manual + operation & maintenance manual

Serial number WA500H20051 and up

MANUAL CONTENT:
GENERAL
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
ENGINE OIL
NORMAL OPERATION
ARCTIC OPERATION
TRANSMISSION, HYDRAULIC SYSTEM, BRAKE SYSTEM OIL
AXLE OIL
GREASE
DIESEL FUEL
COOLANT SPECIFICATIONS
GENERAL
WATER
ANTIFREEZE
SUPPLEMENTAL COOLANT ADDITIVES

STRUCTURE AND FUNCTION
GENERAL
RADIATOR AND OIL COOLER
DAMPER
TORQUE CONVERTER AND TRANSMISSION PIPING
HYDRAULIC CIRCUIT FOR POWER TRAIN
HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN
TORQUE CONVERTER AND PTO
TRANSMISSION
TRANSMISSION CUTAWAY FOLDOUT
OPERATION OF CLUTCH
FORWARD 1ST
FORWARD 2ND
FORWARD 3RD
FORWARD 4TH
REVERSE 1ST
TRANMISSION CONTROL VALVE
ECMV (ELECTRONIC CONTROL MODULATION VALVE)
OUTLINE OF ECMV
ECMV AND PROPORTIONAL SOLENOID
ECMV AND FILL SWITCH
ACTUATION OF ECMV
MAIN RELIEF, TORQUE CONVERTER RELIEF VALVE
MAIN RELIEF VALVE
TORQUE CONVERTER RELIEF VALVE
LUBRICATING RELIEF VALVE
TORQUE CONVERTER OIL FILTER
PILOT FILTER
TRANSFER
DRIVE SHAFT
CENTER SUPPORT
AXLE
FRONT
REAR
DIFFERENTIAL
NORMAL - (STANDARD)
FRONT
REAR
LIMITED SLIP (OPTION)
FINAL DRIVE
AXLE MOUNT
CENTER HINGE PIN
TIRE AND WHEEL
STEERING PIPING
STEERING COLUMN
STEERING VALVE
DEMAND VALVE OPERATION
STEERING SPOOL AT NEUTRAL
STEERING SPOOL OPERATED - ENGINE AT HIGH SPEED
FLOW AMP
FLOW AMP OPERATION
STEERING VALVE OPERATION
STEERING RELIEF VALVE
RELIEF VALVE OPERATION
SAFETY VALVE (WITH SUCTION)
ORBIT-ROLL VALVE
STOP VALVE
DIVERTER VALVE
BRAKE
BRAKE PIPING
BRAKE CIRCUIT DIAGRAM
BRAKE VALVE
RIGHT BRAKE VALVE
LEFT BRAKE VALVE
CHARGE VALVE
ACCUMULATOR (FOR BRAKE)
SLACK ADJUSTER
BRAKE
PARKING BRAKE
PARKING BRAKE CONTROL
PARKING BRAKE SOLENOID VALVE
PARKING BRAKE EMERGENCY RELEASE SOLENOID VALVE
HYDRAULIC
HYDRAULIC PIPING
HYDRAULIC CIRCUIT DIAGRAM
MACHINES WITH STANDARD SPECIFICATIONS
WORK EQUIPMENT LEVER LINKAGE
HYDRAULIC TANK
OIL FILTER BY-PASS VALVE
BREATHER
ACCUMULATOR (FOR PPC VALVE)
PPC VALVE
FOR BUCKET / BOOM
FOR OPTIONAL ATTACHMENT
PPC VALVE NEUTRAL POSITION
PPC VALVE POSITIONS FUNCTIONS
PPC RELIEF VALVE
CUT-OFF VALVE
MAIN CONTROL VALVE
2-SPOOL
3-SPOOL
RELIEF VALVE
SAFETY VALVE (WITH SUCTION)
FLOAT SELECTOR VALVE AND UNLOAD VALVE
BOOM AND DUMP SPOOLS AT HOLD POSITION
BOOM SPOOL AT RAISE POSITION
BOOM SPOOL AT LOWER POSITION
BOOM SPOOL AT FLOAT POSITION
BUCKET SPOOL AT DUMP POSITION
BUCKET SPOOL AT TILT POSITION
WORK EQUIPMENT
WORK EQUIPMENT LINKAGE
BUCKET
BUCKET POSITIONER AND BOOM KICK-OUT
BUCKET POSITIONER
BOOM KICK-OUT
PROXIMITY SWITCH
CAB
ROPS CANOPY
AIR CONDITIONER
AIR CONDITIONER PIPING
AIR CONDITIONING (GENERAL)
BASIC INFORMATION ON AIR CONDITIONERS
HEAT
TEMPERATURE
PRESSURE
HUMIDITY
PRINCIPLE OF COOLING
REFRIGERANTS
FREON-TYPE GASES
SAFETY PRECAUTIONS
REFRIGERATOR OIL (LUBE OIL)
AIR CONDITONING CONDENSER
AIR CONDITIONER COMPRESSOR
RECEIVER WITH SIGHT GLASS (LIQUID TANK)
AIR CONDITIONER UNIT
MONITOR SYSTEMS
MACHINE MONITOR SYSTEM
MAIN MONITOR
MAIN MONITOR DISPLAY FUCTION
MAIN MONITOR SWITCH FUNCTION
TROUBLE DATA DISPLAY MODE
MAINTENANCE MONITOR
MAINTENANCE MONITOR DISPLAY FUNCTION
MAINTENANCE MONITOR SWITCH FUNCTION
ALL-RANGE ELECTRONIC CONTROL AUTOMATIC
TRANSMISSION SYSTEM
SYSTEM STRUCTURE DIAGRAM
FUNCTION
TRANSMISSION CONTROLLER POWER SOURCE
INPUT SIGNALS
OUTPUT SIGNALS
LED DISPLAY
ECSS SYSTEM
TRANSMISSION CONTROLLER
CONNECTOR SIGNALS
SENSORS
SPEEDOMETER SENSOR
ENGINE SPEED SENSOR
ENGINE OIL PRESSURE SENSOR
RADIATOR WATER LEVEL SENSOR
ENGINE OIL LEVEL SENSOR
FUEL LEVEL SENSOR
ENGINE WATER TEMPERATURE SENSOR
TORQUE CONVERTER OIL TEMPERATURE SENSOR
ELECTRICAL
ENGINE STARTING CIRCUIT
SAFETY RELAY
ENGINE STOP CIRCUIT
ELECTRICAL TRANSMISSION CONTROL
COMBINATION SWITCH
KICK-DOWN / HOLD SWITCH
KICK-DOWN SWITCH
HOLD SWITCH
KICK-DOWN ELECTRICAL CIRCUIT DIAGRAMS
NORMAL OPERATION
WHEN KICK-DOWN SWITCH IS OPERATED
KICK-DOWN SWITCH OPERATION CANCELED
ELECTRIC PARKING BRAKE CONTROL
PARKING BRAKE EMERGENCY RELEASE SWITCH
EMERGENCY BRAKE SWITCH
PARKING SAFETY RELAY
NEUTRALIZER RELAY
ELECTRICAL DIAGRAM
ECSS WIRING DIAGRAM - FOLDOUT
JOYSTICK STEERING WIRING DIAGRAM - FOLDOUT
ELECTRICAL CIRCUIT DIAGRAM - FOLDOUT
ENGINE FLOOR HARNESS DIAGRAM - FOLDOUT
CAB ELECTRICAL DIAGRAM - FOLDOUT
ENGINE HARNESS DIAGRAM
ENGINE - FRAME - FLOOR HARNESS DIAGRAM

TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLE FOR ENGINE - IN CHASSIS
STANDARD VALUE TABLE FOR CHASSIS
SKETCHES OF SPECIAL TOOLS
ENGINE
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)
MEASURING EXHAUST TEMPERATURE
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
MEASURING OIL PRESSURE
HANDLING EQUIPMENT IN FUEL CIRCUIT
RELEASING REMAINING PRESSURE IN FUEL SYSTEM
MEASURING FUEL PRESSURE
REDUCED CYLINDER MODE OPERATION
BLEEDING AIR FROM FUEL SYSTEM
CHECK FOR LEAKAGE IN FUEL SYSTEM
ADJUSTING SPEED SENSOR
TESTING AND ADJUSTING ALTERNATOR BELT TENSION
TESTING AND ADJUSTING FAN BELT TENSION
HANDLING CONTROLLER HIGH VOLTAGE CIRCUIT
RUN-IN STANDARD
PERFORMANCE TEST STANDARDS
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
TORQUE CONVERTER STALL SPEEDS
AIR CONDITIONER BELT
SHIFT LEVERS
OPERATING FORCE OF SPEED LEVER
TRAVEL OF SPEED LEVER
ACCELERATOR PEDAL
OPERATING FORCE
OPERATING ANGLE
TORQUE CONVERTER OIL PRESSURE
TRANSMISSION OIL PRESSURE
TORQUE CONVVERTER AND TRANSMISSION HYDRAULIC CIRCUIT FLUSHING
TRANSMISSION VALVE FAILS - MOVING MACHINE
STEERING WHEEL
MEASURING PLAY
MEASURING OPERATING FORCE
MEASURING OPERATING TIME
STEERING OIL PRESSURE
MEASURING
ADJUSTING
STEERING STOP VALVE
TESTING
ADJUSTING
BRAKE PEDAL
OPERATING FORCE
TRAVEL
PEDAL PLAY
BRAKE PERFORMANCE
MEASUREMENT METHOD
BRAKE OIL PRESSURE
INSPECTING
BRAKE DISC WEAR
MEASUREMENT METHOD
PARKING BRAKE
PERFORMANCE
MEASURING PROCEDURE
OIL PRESSURE
DISC WEAR
MANUAL RELEASE METHOD
PPC VALVE
OIL PRESSURE
MEASURING
ADJUSTING
ADJUSTING LINKAGE
ACCUMULATOR
CHARGE PRESSURE
MEASURING
ADJUSTING
WORK EQUIPMENT
HYDRAULIC PRESSURE
ADJUSTING
RELEASING REMAINING PRESSURE
LEVER LINKAGE
ADJUSTING
BLEEDING AIR
ADJUSTING
BOOM POSITIONER
TESTING
ADJUSTING
TRANSMISSION CONTROLLER
MAIN MONITOR
ADJUSTMENT PROCEDURE
TROUBLESHOOTING - GENERAL
ELECTRICAL CONNECTORS
TROUBLESHOOTING EXPLANATION OF FUNCTIONS OF ECM
(ELECTRIC CONTROL MECHANISM)
TROUBLESHOOTING SYSTEMS OF
D MODE - ECSS (ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM)
E MODE - CHASSIS ELECTRICAL SYSTEM
J MODE - JOYSTICK STEERING CONTROLLER SYSTEM
M MODE - MAIN MONITOR SYSTEM
T MODE - TRANSMISSION CONTROLLER SYSTEM
AIR CONDITIONER

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS DURING OPERATION
PRECAUTIONS WHEN CARRYING OUT REMOVAL WORK
PRECAUTIONS WHEN CARRYING OUT INSTALLATION WORK
PRECAUTIONS WHEN COMPLETING THE OPERATIONS
OTHER PRECAUTIONS
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
ENGINE
ALTERNATOR
CYLINDER HEAD
ENGINE FRONT SEAL
ENGINE OIL COOLER
ENGINE REAR SEAL
FUEL INJECTION PUMP
NOZZLE HOLDER
STARTING MOTOR
THERMOSTAT
TURBOCHARGER
WATER PUMP

MAINTENANCE STANDARD
ENGINE MOUNT
TRANSMISSION MOUNT
TORQUE CONVERTER CHARGING PUMP
DAMPER
TORQUE CONVERTER AND PTO
TRANSMISSION
TRANSFER
MAIN RELIEF, T. C. RELIEF VALVE
LUBRICATION RELIEF VALVE
DRIVE SHAFT
CENTER SUPPORT
DIFFERENTIAL, NORMAL - (STANDARD)
FINAL DRIVE
AXLE MOUNT
CENTER HINGE PIN
STEERING COLUMN
STEERING PUMP
STEERING VALVE
STEERING CYLINDER MOUNT
BRAKE VALVE
RIGHT
LEFT
SLACK ADJUSTER
BRAKE
PARKING BRAKE
HYDRAULIC PUMP
SWITCH, PPC PUMP
PPC VALVE
FOR BUCKET AND BOOM
FOR AUXILIARY ATTACHMENT
CUT-OFF VALVE
MAIN CONTROL VALVE
2 SPOOL VALVE
3-SPOOL
HYDRAULIC CYLINDERS
BUCKET LINKAGE
BUCKET
BUCKET POSITIONER AND BOOM KICK-OUT
ROPS CAB

OTHERS
TRANSMISSION CUTAWAY
ELECTRICAL DIAGRAMS
HYDRAULIC CIRCUIT DIAGRAM

Engine SA6D140E-3 workshop service repair manual