Komatsu WA470-3 25001 & Up SMEW4700M0 (Preview)
COVER
CONTENTS
SAFETY
FOREWORD
01 GENERAL
– GENERAL ASSEMBLY DRAWING
– SPECIFICATIONS
– WEIGHT TABLE
– LIST OF LUBRICANT AND WATER
10 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
– TRANSMISSION SOLENOID VALVE
– PILOT OIL FILTER
– DRIVER SHAFT
– AXLE
– DIFFERENTIAL
– FINAL DRIVE
– AXLE MOUNT,CENTER HINGE PIN
– STEERING PIPING
– STEERING COLUMN
– STEERING VALVE
– ORBIT-ROLL VALVE
– STOP VALVE
– BRAKE PIPING
– BRAKE CIRCUIT DIAGRAM
– BRAKE VALVE
– CHARGE VALVE
– ACCUMULATOR(FOR BRAKE)
– SLACK ADJUSTER
– BRAKE
– PARKING BRAKE CONTROL
– PARKING BRAKE
– PARKING BRAKE SOLENOID VALVE
– PARKING BRAKE VALVE
– HYDRAULIC PIPING
– WORK EQUIPMENT HYDRAULIC 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
– AIR CONDITIONER
– SENSORS
– ENGINE STARTING CIRCUIT
– ENGINE STOP CIRCUIT
– PREHEATING CIRCUIT
– ELECTRIC TRANSMISSION CONTROL
– KICK-DOWN,HOLD SWITCH
– KICK-DOWN ELECTRIC CIRCUIT DIAGRAM
– TRANSMISSION CUT-OFF SWITCH
– 未标题
20 TESTING AND ADJUSTING
– STANDARD VALUE TABLE FOR ENGINE
– STANDARD VALUE TABLE FOR CHASSIS
– STANDARD VALUE TABLE FOR ELECTRICAL PARTS
– TOOLS FOR TESTING,ADJUSTING AND TROUBLESHOOTING
– MEASURING ENGINE SPEED
– MEASURING INTAKE AIR PRESSURE(BOOST PRESSURE)
– ADJUSTING VALVE CLEARANCE
– MEASURING EXHAUST COLOR
– MEASURING EXHAUST GAS TEMPERATURE
– MEASURING BLOW-BY PRESSURE
– MEASURING COMPRESSION PRESSURE
– MEASURING ENGINE OIL PRESSURE
– TESTING AND ADJUSTING FUEL INJECTION TIMING
– METHOD FOR ADJUSTING ENGINE STOP MOTOR CABLE
– TESTING AND ADJUSTING FAN BELT TENSION
– 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
– TESTING BRAKE OIL PRESSURE
– MEASURING BRAKE PERFORMANCE
– MEASURING 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 EQUIPMNT HYDRAULIC PRESSURE
– MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
– MEASURING WORK EQUIPMENT
– TESTING AND ADJUSTING BUCKET POSITIONER
– TESTING AND ADJUSTING BOOM KICK-OUT
– TROUBLESHOOTING
— POINTS TO REMEMBER WHEN TROUBLESHOOTING
— SEQUENCE OF EVENTS IN TROUBLESHOOTING
— PRECAUTIONS WHEN CARRYING OUT MAINTENACE
— HANDLING CONNECTORS
— CHECKS BEFORE TROUBLESHOOTING
— CONNECTOR TYPES AND MOUNTING LOCATIONS
— CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
— TROUBLESHOOTING OF ENGINE SYSTEM(S MODE)
— S-1 STARTING PERFORMANCE IS POOR
— S-2 ENGINE DOES NOT START
— S-3 ENGINE DOES NOT PICK UP SMOOTHLY
— S-4 ENGINE STOPS DURING OPERATIONS
— S-5 ENGINE DOSE NOT ROTATE SMOOTHLY
— S-6 ENGINE LACKS OUTPUT
— S-7 EXHAUST GAS IS BLACK
— S-8 OIL CONSUMPTION IS EXCESSIVE
— S-9 OIL BECOMES CONTAMINATED QUICKLY
— S-10 FUEL CONSUMPTION IS EXCESSIVE
— S-11 OIL IS IN COOLING WATER,OR WATER SPURTS BACK,OR WATER LEVEL GOES DOWN
— S-12 OIL PRESSURE LAMP LIGHTS UP
— S-13 OIL LEVEL RISES
— S-14 WATER TEMPERATURE BECOMES TOO HIGHT
— S-15 ABNORMAL NOISE IS MADE
— S-16 VIBRATION IS EXCESSIVE
— TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM(CHASSIS RELATED)(T MODE)
— POWER TRAIN
— STEERING SYSTEM
— BRAKE SYSTEM
— WORK EQUIPMENT
— TROUBLESHOOTING OF ELECTRICAL SYSTEM(E MODE)
— E-1 ENGINE DOES NOT START
— E-2 ENGINE DOES NOT STOP
— E-3 ENGINE STOP WHEN MACHINE IS TRAVELING
— E-4 PARKING BRAKE DOES NOT WORK
— E-5 PARKING BRAKE IS APPLIED WHEN MACHINE IS TRAVELING
— E-6 PARKING BRAKE IS RELESED WHEN STARTING AWITCH IS TURNED ON
— E-7 TRANSMISSION DOES NOT CHANGE TO NEUTRAL WHEN PARKING BRAKE IS APPLIED
— E-8 TRANSMISSION DOES NOT WORK NORMALLY
— E-9 KICK-DOWN SWITCH DOES NOT WORK
— E-10 KICK-DOWN WORKS ONLY WHEN KICK-DOWN SWITCH IS ON
— E-11 KICK-DOWN OPERATION CANNOT BE CONCELED
— E-12 KICK-DOWN SWITCH IS ACTUATED BY MISTAKE WHEN TRAVELING IN 2ND
30 DISASSEMBLY AND ASSEMBLY
– METHOD OF USING MANUAL
– PRECATIONS WHEN CARRYING OUT OPERATION
– COMMON TOOL LIST
– STARTING MOTOR
– ALTERNATOR
– ENGINE OIL COOLER
– FUEL INJECTION PUMP
– WATER PUMP
– TURBOCHARGER
– NOZZLE HOLDER
– THERMOSTAT
– CYLINDER HEAD
– RADIATOR
– ENGINE
– TORQUE CONVERTER,TRANSMISSION ASSEMBLY
– TORQUE CONVERTER
– TRANSMISSION
– TRANSMISSION CLUTCH PARK
– PARKING BRAKE
– TRANSMISSION CONTROL VALE
– TRANSMISSION ACCUMULATOR VALVE
– DRIVE SHAFT
– FRONT AXLE
– REAR AXLE
– FRONT DIFFERENTIAL
– REAR DIFFERNTIAL
– DIFFERENTIAL
– FINAL DRIVE
– CENTER HINGE PIN
– STEERING VALVE
– STEERING DEMAND VALVE
– STEERING,SWITCH PUMP
– STEERING CYLINDER
– BRAKE VALVE
– RIGHT BRAKE VALVE
– SLACK ADJUSTER
– BRAKE
– PARKING BRAKE DISC
– HYDRAULIC TANK
– WORK EQUIPMENT,PPC PUMP
– PPC VALVE
– MAIN CONTROL VALVE
– BUCKET CYLINDER
– BOOM CYLINDER
– HYDRAULIC CYLINDER
– WORK EQUIPMENT
– COUNTERWEIGHT
– FUEL TANK
– CAB FLOOR FRAME
– CAB,FLOOR FRAME ASSEMBLY
– CAB
– GUAGE PANEL
– AIR CONDITIONER UNIT
– AIR CONDITIONER CONDENSER
– RECEIVER
– AIR CONDITIONER CONDESER COMPRESSOR
40 MAINTENANCE STANDARD
– ENGINE MOUNT,TRANSMISSION MOUNT
– TORQUE CONVERTER
– TRANSMISSION
– TRANSMISSION CONTROL VALVE
– DRIVE SHAFT
– DIFFERENTIAL
– FINAL DRIVE
– AXLE MOUNT
– STEERING COLUMN
– STEERING VALVE
– STEERING CLINDER MOUNT
– SLACK ADJUSTER
– BRAKE VALVE
– BRAKE
– PARKING BRAKE
– TORQUE CONVERTER,TRANSMISSION PUMP
– STEERING,SWITCH PUMP
– HYDRAULIC,PPC PUMP
– PPC VALVE
– CUT-OFF VALVE
– MAIN CONTROL VALVE
– BOOM CYLINDER
– BUCKET CYLINDER
– CENTER HINGE PIN
– WORK EQUIPMENT LINKAGE
– BUCKET
– BUCKET POSITIONER AND BOOM KICK-OUT
90 ELECTRIC CIRCUIT DIAGRAM
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