Description
Komatsu WD900-3 Wheel Dozer Shop Manual (SEBM036907)
Komatsu WD900-3 Wheel Dozer Index:
COVER
CONTENTS
List of revised pages
01 GENERAL
GENERAL ASSEMBLY DRAWING
SPECIFICATIONS
WEIGHT TABLE
LIST OF LUBRICANT AND WATER
10 STRUCTURE AND FUNCTION
POWER TRAIN
POWER TRAIN SYSTEM
ENGINE CONTROL
SERVO CYLINDER
RADIATOR AND COOLER
DAMPER
TORQUE CONVERTER AND TRANSMISSION PIPING
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
TORQUE CONVERTER
TRANSMISSION
TRANSFER
TRANSMISSION CONTROL VALVE
TORQUE CONVERTER OIL COOLER
DRIVE SHAFT
CENTER SUPPORT
AXLE
FINAL DRIVE
CENTER HINGE PIN
AXLE MOUNT
TIRE AND WHEEL
STEERING PIPING DIAGRAM
STEERING COLUMN
STEERING PUMP
SWITCH PUMP
STEERING DEMAND VALVE
STEERING UNIT (ORBIT-ROLL VALVE)
PROPORTIONAL SOLENOID VALVE
TOW-WAY RESTRICTOR VALVE
DIVERTER VALVE
BRAKE PIPING
BRAKE CIRCUIT DIAGRAM
BRAKE VALVE
CHARGE VALVE
ACCUMULATOR (FOR BRAKE)
SLACK ADJUSTER
BRAKE
PARKING BRAKE
SPRING CYLINDER
PARKING BRAKE SOLENOID VALVE
HYDRAULIC PIPING
WORK EQUIPMENT SOLENOID VALVE
WORK EQUIPMENT LEVER LINKAGE
HYDRAULIC TANK
MAIN PISTON PUMP
ES VALVE(ENGINE SENSING VALVE)
SERVO VALVE
PPC VALVE(PROPORTIONAL PRESSURE VALVE)
PPC RELIEF VALVE
ACCUMULATOR (FOR PPC VALVE)
MAIN CONTROL VALVE
LUBRICATION OF WORK EQUIPMENT
WORK EQUIPMENT LINKAGE
CAB
ROPS CANOPY
AIR CONDITIONER
MACHINE MONITOR SYSTEM
MAIN MONITOR
MAINTENANCE MONITOR
ENGINE STARTING CIRCUIT
ENGINE STOP CIRCUIT
ELECTRICAL TRANSMISSION CONTROL
BLADE CONTROL SWITCH(KICK-DOWN,HOLD SWITCH)
JOYSTICK STEERING SYSTEM
TRANSMISSION AND JOYSTICK STEERING CONTROLLER
ELECTRIC PARKING BRAKE CONTROL
BRAKE COOLING SYSTEM
55℃ SPECIFICATION
20 TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
STANDARD VALUE TABLE FOR ELECTRICAL PARTS
TESTING AND ADJUSTING
TROUBLESHOOTING
30 DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
REMOVAL AND INSTALLATION OF STARTING MOTOR
REMOVAL AND INSTALLATION OF ALTERNATOR
REMOVAL AND INSTALLATION OF ENGINE OIL COOLER
REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP FOR LEFT BANK
REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP FOR RIGHT BANK
REMOVAL AND INSTALLATION OF WATER PUMP
REMOVAL AND INSTALLATION OF NOZZLE HOLDER
REMOVAL AND INSTALLATION OF TURBOCHARGER
REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
REMOVAL AND INSTALLATION OF CYLINDER HEAD
REMOVAL AND INSTALLATION OF RADIATOR
REMOVAL AND INSTALLATION OF ENGINE
REMOVAL AND INSTALLATION OF DAMPER
DISASSEMBLY AND ASSEMBLY OF DAMPER
REMOVAL AND INSTALLATION OF TORQUE CONVERTER AND TRANSMISSION ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER
DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER VALVE
DISASSEMBLY AND ASSEMBLY OF TRANSMISSION
REMOVAL AND INSTALLATION OF TRANSMISSION VALVE
DISASSEMBLY AND ASSEMBLY OF TRANSMISSION VALVE
DISASSEMBLY AND ASSEMBLY OF TRANSFER
DISASSEMBLY AND ASSEMBLY OF PTO
REMOVAL AND INSTALLATION OF CENTER SUPPORT
DISASSEMBLY AND ASSEMBLY OF CENTER SOPPORT
DISASSEMBLY AND ASSEMBLY OF DRIVE SHAFT
REMOVAL AND INSTALLATION OF FRONT AXLE
REMOVAL AND INSTALLATION OF REAR AXLE
REMOVAL AND INSTALLATION OF DIFFERENTIAL
DISASSEMBLY AND ASSEMBLY OF DIFFERENTIAL
DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE
REMOVAL AND INSTALLATION OF ORBIT-ROLL
REMOVAL AND INSTALLATION OF EMERGENCY STEERING PUMP
REMOVAL AND INSTALLATION OF DIVERTER VALVE
DISASSEMBLY AND ASSEMBLY OF DIVERTER VALVE
REMOVAL AND INSTALLATION OF ACCUMULATOR CHARGE VALVE
DISASSEMBLY AND ASSEMBLY OF ACCUMULATOR CHARGE VALVE
REMOVAL AND INSTALLATION OF STEERING STOP VALVE
REMOVAL AND INSTALLATION OF STEERING CYLINDER
REMOVAL AND INSTALLATION OF STEERING VALVE
REMOVAL AND INSTALLATION OF BRAKE VALVE
REMOVAL AND INSTALLATION OF SLACK ADJUSTER
DISASSEMBLY AND ASSEMBLY OF SLACK ADJUSTER
REMOVAL AND INSTALLATION OF BRAKE
DISASSEMBLY AND ASSEMBLY OF BRAKE
REMOVAL AND INSTALLATION OF PARKING BRAKE CALIPERS
DISASSEMBLY AND ASSEMBLY OF PARKING BRAKE CALIPERS
REMOVAL AND INSTALLATION OF PARKING BRAKE PAD
REMOVAL AND INSTALLATION OF PARKING BRAKE SPRING CYLINDER
REMOVAL AND INSTALLATION OF BRAKE OIL TANK
REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
REMOVAL AND INSTALLATION OF SERVO CYLINDER
REMOVAL AND INSTALLATION OF HYDRAULIC TANK AND FITER CASE ASSEMBLY
REMOVAL AND INSTALLATION OF PPC VALVE
DISASSEMBLY AND ASSEMBLY OF PPC VALVE
REMOVAL AND INSTALLATION OF WORK EQUIPMENT CONTROL VALVE
DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT CONTROL VALVE
REMOVAL AND INSTALLATION OF CAB
REMOVAL AND INSTALLATION OF FLOOR FRAME
REMOVAL AND INSTALLATION OF CENTER HINGE PIN
REMOVAL AND INSTALLATION OF WORK EQUIPMENT
REMOVAL AND INSTALLATION OF LIFT CYLINDER ASSEMBLY
REMOVAL AND INSTALLATION OF PITCH & TILT CYLINDER
REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT
REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSOR
REMOVAL AND INSTALLATION OF RECEIVER TANK
REMOVAL AND INSTALLATION OF AIR CONDITIONER CONDENSER
REMOVAL AND INSTALLATION OF TRANSMISSION AND STEERING CONTROLLER
REMOVAL AND INSTALLATION OF MAIN MONITOR
REMOVAL AND INSTALLATION OF FUEL TANK
REMOVAL AND INSTALLATION OF COUNTERWEIGHT
REMOVAL AND INSTALLATION OF AJSS LEVER SWITCH ASSEMBLY
40 MAINTENANCE STANDRAD
ENGINE MOUNT
TRANSMISSION MOUNT
DAMPER
TORQUE CONVERTER CHARGING,PPC AND BRAKE PUMP
TORQUE CONVERTER
TORQUE CONVERTER REGULATOR VALVE
TRANSMISSION(1/2)
TRANSMISSION(2/2)
TRANSFER
TRANSMISSION CONTROL VALVE
DRIVE SHAFT
CENTER SUPPORT
DIFFERENTIAL(1/2)
DIFFERENTIAL(2/2)
FINAL DRIVE
AXLE MOUNT
CENTER HINGE PIN
STEERING COLUMN
STEERING DEMAND VALVE
DIVERTER VALVE
STEERING CYLINDER MOUNT
EMERGENCY STEERING PUMP
BRAKE VALVE
SLACK ADJUSTER
BRAKE
PARKING BRAKE
PPC VALVE
PPC RELIEF VALVE
STEERING PUMP
SWITCH PUMP
MAIN PISTON PUMP
CONTROL PUMP
MAIN CONTROL VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT LINKAGE
BRAKE COOLING PUMP
90 OTHERS
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM(1/2)
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM(2/2)
ELECTRIC CIRCUIT DIAGRAM (1/7)
ELECTRIC CIRCUIT DIAGRAM (2/7)
ELECTRIC CIRCUIT DIAGRAM (3/7)
ELECTRIC CIRCUIT DIAGRAM (4/7)
ELECTRIC CIRCUIT DIAGRAM (5/7)
ELECTRIC CIRCUIT DIAGRAM (6/7)
ELECTRIC CIRCUIT DIAGRAM (7/7)
