Komatsu Wheel Loader WA800-3LC Avance service & repair manual

Description Komatsu Wheel Loader WA800-3LC Avance service & repair manual

Komatsu Wheel Loader WA800-3LC Avance pdf workshop service repair manual + operation & maintenance manual

Serial number A50001 and up

MANUAL CONTENT:
GENERAL
SPECIFICATION DRAWING
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
ENGINE OIL SPECIFICATIONS
NORMAL OPERATION
ARCTIC OPERATION
TRANSMISSION, TORQUE CONVERTER, TRANSFER CASE AND OIL COOLER
SERVICE BRAKES AND HYDRAULIC SYSTEM OIL SPECIFICATIONS
FINAL DRIVE OIL SPECIFICATIONS
DRIVE AXLE OIL SPECIFICATIONS
DIESEL FUEL SPECIFICATIONS
COOLANT SPECIFICATIONS
SUPPLEMENTAL COOLANT ADDITIVES
COOLING SYSTEM TEST KIT

STRUCTURE AND FUNCTION
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
REGULATOR VALVE
TRANSMISSION
CLUTCH
FORWARD 1ST
FORWARD 2ND
FORWARD 3RD
REVERSE 1ST
TRANSFER
TRANSMISSION PATH
CONTROL VALVE
SOLENOID VALVE
LOWER VALVE
UPPER VALVE
PILOT OIL FILTER
MAIN RELIEF VALVE
PILOT REDUCING VALVE
PRIORITY VALVE
MODULATING VALVE AND QUICK RETURN VALVE
REDUCING VALVE
EMERGENCY MANUAL SPOOL
HYDRAULIC CIRCUIT SCHEMATICS
TORQUE CONVERTER OIL COOLER
DRIVE SHAFT
CENTER SUPPORT
AXLE
FRONT AXLE
FRONT DIFFERENTIAL
REAR AXLE
REAR DIFFERENTIAL
FINAL DRIVE
AXLE MOUNT
FRONT AXLE
REAR AXLE
CENTER HINGE PIN
TIRE AND WHEEL
STEERING
PIPING
STEERING COLUMN
STEERING PUMP
SWITCH PUMP
STEERING DEMAND VALVE
OPERATION OF DEMAND VALVE
OVERLOAD RELIEF VALVE
MAIN RELIEF VALVE
ORBIT-ROLL VALVE
STRUCTURE
TWO-WAY RESTRICTOR VALVE
DIVERTER VALVE
GROUND DRIVEN STEERING
RELIEF VALVE
HYDRAULIC CIRCUIT SCHEMATICS
PUMP, ENGINE WORKING NORMALLY
FAILURE IN PUMP OR ENGINE WHEN MACHINE IS TRAVELING
BRAKE
PIPING
BRAKE CIRCUIT DIAGRAM
BRAKE VALVE
CHARGE VALVE
ACCUMULATOR
SLACK ADJUSTER
BRAKE
PARKING BRAKE
PARKING BRAKE SOLENOID VALVE
HYDRAULIC PIPING
HYDRAULIC CIRCUIT DIAGRAM
WORK EQUIPMENT LEVER LINKAGE
HYDRAULIC TANK
OIL FILTER BYPASS VALVE
BREATHER
MAIN PISTON PUMP
PISTON PUMP (HPV90 + 90)
CONTROL PUMP (BAR025)
RELIEF VALVE
ES (ENGINE SENSING) VALVE
SERVO VALVE
PPC VALVE
PPC RELIEF VALVE
ACCUMULATOR (FOR PPC VALVE)
MAIN CONTROL VALVE
RELIEF VALVE
SAFETY VALVE (with suction valve)
SUCTION VALVE
OPERATION OF HYDRAULIC CIRCUIT
BOOM AND DUMP SPOOLS IN “HOLD”
LIFT SPOOL IN “RAISE”
LIFT SPOOL IN “LOWER”
BOOM SPOOL IN “FLOAT”
DUMP SPOOL IN “DUMP”
DUMP SPOOL IN “TILT BACK”
WORK EQUIPMENT
LUBRICATION
LINKAGE
BUCKET POSITIONER AND BOOM KICKOUT
BUCKET POSITIONER
BOOM KICK-OUT
OPERATION OF PROXIMITY SWITCH
BOOM RAISE
BUCKET TILT
CAB
ROPS CANOPY
AIR CONDITIONER
AIR CONDITIONER PIPING
AIR CONDITIONER CONDENSER
AIR CONDITIONER COMPRESSOR
DRY RESERVOIR
ELECTRIC CIRCUIT DIAGRAM
MACHINE MONITOR SYSTEM
MAIN MONITOR
DISPLAY FUNCTION
SWITCH FUNCTION
TROUBLE DATA DISPLAY MODE
MAINTENANCE MONITOR
DISPLAY FUNCTION
ENGINE START AND STOP CIRCUIT
SAFETY RELAY
ENGINE START
ENGINE STOP
PREHEATING CIRCUIT
ELECTRICAL TRANSMISSION CONTROL
COMBINATION SWITCH
KICK-DOWN, HOLD SWITCH
KICK-DOWN OPERATION
HOLD SWITCH OPERATION
PARKING BRAKE
ELECTRIC CONTROL
STARTING SWITCH OFF
STARTING SWITCH ON
PARKING BRAKE SWITCH OFF (released)
PARKING BRAKE SWITCH ON (actuated)
WHEN MAIN BRAKE OIL PRESSURE DROPS (emergency brake actuated)
PARKING BRAKE SOLENOID VALVE
PARKING SAFETY RELAY
NEUTRALIZER RELAY

TESTING, ADJUSTING AND TROUBLESHOOTING
Standard value table for engine
Standard value table for chassis
Standard value table for electrical parts
Testing and adjusting
Troubleshooting

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

MAINTENANCE STANDARD
ENGINE MOUNT
TRANSMISSION MOUNT
DAMPER
HYDRAULIC PUMPS
TORQUE CONVERTER CHARGING, PPC AND BRAKE
TORQUE CONVERTER
TORQUE CONVERTER REGULATOR VALVE
TRANSMISSION
CLUTCH
GEAR
TRANSFER
TRANSMISSION CONTROL VALVE
UPPER VALVE
LOWER VALVE
SOLENOID VALVE
DRIVE SHAFT
CENTER SUPPORT
DIFFERENTIAL
ASSEMBLY TORQUES
DIFFERENTIAL
GEARS
FINAL DRIVE
AXLE MOUNT
CENTER HINGE PIN
STEERING COLUMN
STEERING DEMAND VALVE
DIVERTER VALVE
STEERING CYLINDER MOUNT
GROUND DRIVEN STEERING PUMP
BRAKE VALVE
SLACK ADJUSTER
BRAKE
PARKING BRAKE
PPC VALVE
PPC RELIEF VALVE
CONTROL PUMP (BAR025)
MAIN CONTROL VALVE
HYDRAULIC CYLINDER
BUCKET LINKAGE
BUCKET POSITIONER AND BOOM KICK-OUT

OTHERS
Hydraulic circuit diagram
Electrical circuit diagram

Engine SA12V140Z-1, SAA12V140ZE-2 series workshop service repair manual