Komatsu Wheel Loader WA800-2 Shop Manual

MAIN MENU
CONTENTS
01 GENERAL
SPECIFICATION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT, AND LUBRICANTS
ENGINE OIL SPECIFICATIONS
DIESEL FUEL SPECIFICATIONS
COOLANT SPECIFICATIONS
10 STRUCTURE AND FUNCTION
GENERAL (POWER TRAIN)
POWER TRAIN SYSTEM
ENGINE CONTROL
RADIATOR AND HYDRAULIC OIL COOLER
DAMPER
TORQUE CONVERTER AND TRANSMISSION PIPING
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
TORQUE CONVERTER
TORQUE CONVERTER RELIEF VALVE
TORQUE CONVERTER REGULATOR VALVE
TORQUE CONVERTER OIL FILTER
TRANSMISSION
TRANSFER
TRANSMISSION CONTROL VALVE
TORQUE CONVERTER OIL COOLER
DRIVE SHAFT
CENTER SUPPORT
AXLES
FINAL DRIVE
FLOOR SUPPORT
AXLE MOUNT AND CENTER HINGE PIN
STEERING PIPING
STEERING COLUMN
STEERING PUMP
SWITCH PUMP
STEERING DEMAND VALVE
TWO-WAY RESTRICTOR VALVE STRUCTURE AND FUNCTION
STEERING UNIT (ORBIT-ROLL VALVE)
DIVERTER VALVE
BRAKE AND AIR PIPING
BRAKE AND AIR CIRCUIT DIAGRAM
AIR GOVERNOR
AIR TANK
SAFETY VALVE
BRAKE VALVE
RELAY VALVE
TWO-WAY VALVE
BRAKE CHAMBER
SLACK ADJUSTER
BRAKE
PARKING BRAKE
HYDRAULIC PIPING
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
WORK EQUIPMENT LEVER LINKAGE
HYDRAULIC TANK
MAIN PISTON PUMP
ES VALVE (ENGINE SENSING VALVE)
SERVO VALVE
PPC VALVE
PPC RELIEF VALVE
ACCUMULATOR
MAIN CONTROL VALVE
LUBRICATION OF WORK EQUIPMENT
WORK EQUIPMENT LINKAGE
BUCKET POSITIONER AND BOOM KICK-OUT
CAB
AIR CONDITIONER
AIR CONDITIONING PIPING DIAGRAM
AIR CONDITIONING CONDENSER
RECEIVER W/SIGHT GLASS (LIQUID TANK)
AIR CONDITIONER UNIT
MACHINE MONITOR SYSTEM
ELECTRICAL SCHEMATIC (1/3)
ELECTRICAL SCHEMATIC (2/3)
ELECTRICAL SCHEMATIC – JOYSTICK STEERING (3/3)
ENGINE STARTING CIRCUIT
ENGINE STOP CIRCUIT
PREHEATING CIRCUIT
ELECTRICAL TRANSMISSION CONTROL
KICK-DOWN SWITCH
ELECTRICAL PARKING BRAKE CONTROL
TRANSMISSION CLUTCH OVERRUN CONTROLLER
ENGINE DIAGNOSTICS
ENGINE DIAGNOSTIC ELECTRICAL SCHEMATIC
20 TESTING, ADJUSTING AND TROUBLESHOOTING
TESTING AND ADJUSTING
TROUBLESHOOTING
30 DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
RADIATOR
ENGINE
DAMPER
TORQUE CONVERTER, TRANSMISSION
TORQUE CONVERTER ASSEMBLY
TORQUE CONVERTER VALVE ASSEMBLY
PTO ASSEMBLY
TRANSMISSION
TRANSFER ASSEMBLY
TRANSMISSION VALVE
TRANSMISSION VALVE
CENTER SUPPORT
DRIVE SHAFT
FRONT AXLE
REAR AXLE
DIFFERENTIAL
FINAL DRIVE
STEERING UNIT
STEERING DEMAND VALVE
DIVERTER VALVE
BRAKE VALVE
BRAKE CHAMBER
SLACK ADJUSTER
BRAKE ASSEMBLY
SPRING CYLINDER
PARKING BRAKE CALIPER
PARKING BRAKE PAD
HYDRAULIC TANK AND FILTER CASE
HYDRAULIC PUMP
SWITCH PUMP
PISTON PUMP
PPC VALVE
MAIN CONTROL VALVE
HYDRAULIC CYLINDER
CENTER HINGE PIN
WORK EQUIPMENT
FUEL TANK
40 MAINTENANCE STANDARD
ENGINE MOUNT
TRANSMISSION MOUNT
DAMPER
TORQUE CONVERTER CHARGING AND PPC PUMP
TORQUE CONVERTER
TORQUE CONVERTER REGULATOR
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
DIVERTER VALVE
STEERING CYLINDER MOUNT
EMERGENCY STEERING PUMP
STEERING CYLINDER
BRAKE CHAMBER
BRAKE VALVE
SLACK ADJUSTER
PARKING BRAKE
BRAKE
SPRING CYLINDER
CONTROL PUMP (BAR025)
PPC VALVE
MAIN CONTROL VALVE
BUCKET CYLINDER
BOOM CYLINDER
BUCKET LINKAGE
BUCKET POSITIONER AND BOOM KICK-OUT