Description
Komatsu PW98MR-8 Hydraulic Excavator Shop Manual (WEBM008901)
Komatsu PW98MR-8 Hydraulic Excavator Index:
COVER
CONTENTS
01 GENERAL
GENERAL ASSEMBLY DRAWING
SPECIFICATIONS
WEIGHT TABLE
LIST OF LUBRICANT AND WATER
10 STRUCTURE AND FUNCTION
POWER TRAIN
POWER TRAIN SYSTEM
TORPUE 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
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 CIRCUIT DIAGRAM
BRAKE VALVE
CHARGE VALVE
ACCUMULATOR (FOR BRAKE)
SLACK ADJUSTER
BRAKE
PARKING BRAKE CONTROL
PARKING BRAKE
PARKING BRAKE SOLENOID VALVE
PARKING BRAKE VALVE
PARKING BRAKE EMERGENCY RELEASE SOLENOID VALVE
HYDRAULIC PIPING
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
WORK EQUIPMENT LEVER LINKAGE
HYDRAULIC TANK
HYDRAULIC PUMP
MAIN CONTROL VALVE
BLADE CONTROL VALVE
HYDRAULIC CYLINDER
BLADE LINKAGE
CAB
ROPS CAB
AIR CONDITIONER
ELECTRICAL CIRCUIT DIAGRAM
MACHINE MONITOR SYSTEM
MAIN MONITOR
MAINTENANCE MONITOR
SENSORS
ENGINE STARTING CIRCUIT
ENGINE STOP CIRCUIT
PREHEATING CIRCUIT
ELECTRIC TRANSMISSION CONTROL
WORK EQUIPMENT CONTROL LEVER SWITCH
TRANSMISSION CUT-OFF SWITCH
TRANSMISSION CUT-OFF FUNCTION
ELECTRIC PAERING BRAKY CONTROL
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
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
MEASURING EXHAUST COLOR
MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)
MEASURING BLOW-BY PRESSURE
TESTING AND ADJUSTING FAN BELT TENSION
MEASURING ENGINE SPEED
METHOD FOR ADJUSTING ENGINE STOP MOTOR CABLE
MEASURING ENGIEN OIL PRESSURE
MEASURING EXHAUST GAS TEMPERATURE
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
MEASURING BRAKE DISC WEAR
BLEEDING AIR FROM BRAKE SYSTEM
MEASURING PARKING BRAKE PERFORMANCE
METHOD FOR MANUAL RELEASE OF PARKING BRAKE
TESTING WEAR OF PARKING BRAKE DISC
MEASURING WORK EQUIPMENT CONTROL LEVER
MEASURING WORK EPUIPMENT HYDRAULIC PRESSURE
MEASURING WORK EQUIPMENT SPEED
MEASURING HYDRAULIC DRIFT OF WORK EQUIPMENT CYLINDER
ADJUSTING MAIN MONITOR(SPEEDOMETER MODULE)
CHECKING FOR ABNORMALITY IN FUEL LEVEL SENSOR
TROUBLESHOOTING
30 DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECISL TOOL LIST
STARTING MOTOR
ALTERNATOR
ENGINE OIL COOLER
AFTERCOOLER CORE
FUEL INJECTION PUMP
WATER PUMP
TURBOCHARGER
NOZZLE HOLDER
THERMOSTAT
CYLINDER HOLDER
RADIATOR
ENGINE
TORQUE CONVERTER CHARGING PUMP
TORQUE CONVERTER,TRANSMISSION
TORQUE CONVERTER
TRANSMISSION
TRANSMISSION CLUTCH PACK
PARKING BRAKE
TRANSMISSION CONTROL VALVE
TRANSMISSION ACCUMULATOR VALVE
DRIVE SHAFT
FRONT AXLE
REAR AXLE
FRONT DIFFERENTIAL
REAR DIFFERENTIAL
DIFFERENTIAL
DIFFERENTIAL (LIMITED SLIP DIFFERENTIAL)
DIFFERENTIAL (NOSPIN DIFFERENTIAL)
FINAL DRIVE
CENTER HINGE PIN
STEERING VALVE (ORBIT-ROLL)
STEERING VALVE
STEERING DEMAND VALVE
STRREING,SWITCH PUMP
STEERING CYLINDER
BRAKE VALVE
RIGHT BRAKE VALVE (TANDEM)
LEFT BRAKE VALVE (SINGLE)
SLACK ADJUSTER
BRAKE
PARKING BRAKE DISC
HYDRAULIC TANK
WORK EQUIPMENT,ACCUMULATOR CHARGING PUMP
BLADE CONTROL VALVE
MAIN CONTROL VALVE
LIFT CYLINDER
PITCH AND TILT CYLINDER
LIFT,TILT,STEERING CYLINDER
WORK EQUIPMENT
WORK EQUIPMENT ASSEMBLY
COUNTERWEIGHT
FUEL TANK
CAB
MAIN MONITOR
MAINTERANCE MONITOR
AIR CONDITIONER UNIT
AIR CONDITIONER CONDENSER
DRY RECEIVER
AIR CONDITIONER 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 CYLINDER MOUNT
SLACK ADJUSTER
BRAKE VALVE
BRAKE
PARKING BRAKE
TORQUE CONVERTER,TRANSMISSION PUMP
STRRING,SWITCH PUMP
HYDRAULIC,ACCUMULATOR CHARGE PUMP
MAIN CONTROL VALVE
HYDRAULIC CYLINDER
CENTER HINGE PIN
BLADE LINKAGE
