Komatsu Wheel Loader WA700-3 service & repair manual

Description Komatsu Wheel Loader WA700-3 service & repair manual

Komatsu Wheel Loader WA700-3 pdf workshop service manual + operation & maintenance manual

Serial numbers:
50001 and up
51005 and up

Technical data, specifications, maintenance, testing, troubleshooting, electrical wiring diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
General
General assembly drawing
Specifications
Weight table
List of lubricant and water

Structure and function
Power train system
Damper
Radiator and oil cooler
Transmission hydraulic system diagram
Transmission hydraulic circuit diagram
Torque converter and
transmission piping
Torque converter and PTO
Torque converter regulator valve
Transmission
Transmission control valve
Torque converter oil cooler
Transmission oil filter
Transfer
Axle
Differential
Final drive
Steering piping diagram
Steering and switch pump
Steering unit (Orbit-roll valve)
Steering demand valve
Two-way restrictor valve
Stop 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
Hydraulic circuit diagram
Main piston pump
ES valve
Servo valve
Pressure differential valve
PPC valve (Proportional Pressure Valve)
PPC relief valve
Accumulator (for PPC valve)
Main control valve
Lubrication of work equipment
Work equipment linkage
Bucket positioner and boom kick-out
Operation of proximity switch
Air conditioner
Electric circuit diagram
Machine monitor system
Main monitor
Maintenance monitor
Automatic transmission system (ATM)
Joystick steering system
AJSS (Advanced Joystick Steering System)
Transmission and joystick controller
Engine starting circuit
Engine stop circuit
Auto priming system (APS)
Preheating circuit
Fuel system
Electrical transmission control
Kick-down, hold switch
Kick-down electrical circuit
Electric parking brake control
Electric circuit diagram of active power
VHMS controller
Blow-by pressure sensor
Engine oil temperature sensor
Exhaust temperature sensor/amp
Ambient temperature sensor
Transmission pump oil pressure sensor
Brake oil temperature sensor
Hydraulic oil temperature sensor
Brake oil pressure sensor
Steering oil pressure sensor
Work equipment pump oil pressure sensor
Communications (ORB: Orbcomm)controller/antenna

Testing and adjusting
Standard value table
Standard value table for engine
Standard value table for chassis
Standard value table for electrical parts

Troubleshooting
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
CHECKS BEFORE TROUBLESHOOTING
CONNECTOR TYPES AND MOUNTING LOCATIONS
CONNECTOR ARRANGEMENT DIAGRAM
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
ELECTRIC ENGINE THROTTLE CONTROLLER SYSTEM
METHOD OF DISPLAYING ACTION CODE AND FAILURE CODE
CHART OF ACTION CODES AND FAILURE CODES, AND RE-ENACTION
TRANSMISSION CONTROLLER LED DISPLAY
METHOD OF USING TROUBLESHOOTING CHARTS
TROUBLESHOOTING OF ENGINE BODY (S MODE)
TROUBLESHOOTING OF MAIN MONITOR SYSTEM (M MODE)
TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K MODE)
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
TROUBLESHOOTING OF ELECTRIC ENGINE THROTTLE CONTROLLER & APS CONTROLLER SYSTEM SYSTEM (G MODE)
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
TROUBLESHOOTING OF TRANSMISSION CONTROL SYSTEM (T MODE)
TROUBLESHOOTING OF JOYSTICK STEERING CONTROLLER SYSTEM (J MODE)
TROUBLESHOOTING OF AJSS (ADVANCED JOYSTICK STEERING SYSTEM) CONTROL SYSTEM (A MODE)
TROUBLESHOOTING OF ENGINE CONTROL SYSTEM (EA MODE)
TROUBLESHOOTING OF VHMS CONTROLLER SYSTEM (VHMS MODE)

DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOLS LIST
SKETCHES OF SPECIAL TOOLS
REMOVAL OF STARTING MOTOR ASSEMBLY
INSTALLATION OF STARTING MOTOR
REMOVAL OF ALTERNATOR ASSEMBLY
INSTALLATION OF ALTERNATOR ASSEMBLY
REMOVAL OF ALTERNATOR ASSEMBLY
INSTALLATION OF ALTERNATOR ASSEMBLY
REMOVAL OF ENGINE OIL COOLER ASSEMBLY
INSTALLATION OF ENGINE OIL COOLER ASSEMBLY
REMOVAL OF ENGINE OIL COOLER ASSEMBLY
INSTALLATION OF ENGINE OIL COOLER ASSEMBLY
REMOVAL OF FUEL INJECTION PUMP ASSEMBLY
INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
REMOVAL OF WATER PUMP ASSEMBLY
INSTALLATION OF WATER PUMP ASSEMBLY
REMOVAL OF NOZZLE HOLDER ASSEMBLY
INSTALLATION OF NOZZLE HOLDER ASSEMBLY
REMOVAL OF TURBOCHARGER ASSEMBLIES
INSTALLATION OF TURBOCHARGER ASSEMBLY
REMOVAL OF ENGINE FRONT SEAL
REPLACEMENT OF ENGINE REAR SEAL
REMOVAL OF CYLINDER HEAD
INSTALLATION OF CYLINDER HEAD ASSEMBLY
REMOVAL OF THERMOSTAT ASSEMBLY
INSTALLATION OF THERMOSTAT ASSEMBLY
REMOVAL OF HYDRAULIC OIL COOLER, RADIATOR, AFTERCOOLER ASSEMBLY
INSTALLATION OF HYDRAULIC OIL COOLER, RADIATOR, AFTERCOOLER ASSEMBLY
REMOVAL OF HYDRAULIC OIL COOLER, RADIATOR, AFTERCOOLER, FUEL COOLER ASSEMBLY
INSTALLATION OF HYDRAULIC OIL COOLER, RADIATOR, AFTERCOOLER, FUEL COOLER ASSEMBLY
REMOVAL OF ENGINE, DAMPER ASSEMBLY
INSTALLATION OF ENGINE, DAMPER ASSEMBLY
REMOVAL OF ENGINE, DAMPER ASSEMBLY
INSTALLATION OF ENGINE, DAMPER ASSEMBLY
REMOVAL OF DAMPER
INSTALLATION OF DAMPER ASSEMBLY
DISASSEMBLY OF DAMPER
ASSEMBLY OF DAMPER
DISASSEMBLY OF PTO ASSEMBLY
ASSEMBLY OF PTO ASSEMBLY
REMOVAL OF TORQUE CONVERTER, TRANSMISSION ASSEMBLY
INSTALLATION OF TORQUE CONVERTER, TRANSMISSION ASSEMBLY
DISASSEMBLY OF TORQUE CONVERTER ASSEMBLY
ASSEMBLY OF TORQUE CONVERTER ASSEMBLY
DISASSEMBLY OF TRANSMISSION ASSEMBLY
ASSEMBLY OF TRANSMISSION
REMOVAL OF TRANSMISSION VALVE ASSEMBLY
INSTALLATION OF TRANSMISSION VALVE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF TRANSMISSION CONTROL VALVE
DISASSEMBLY OF TRANSFER ASSEMBLY
ASSEMBLY OF TRANSFER ASSEMBLY
REMOVAL OF CENTER SUPPORT ASSEMBLY
INSTALLATION OF CENTER SUPPORT
DISASSEMBLY OF CENTER SUPPORT
ASSEMBLY OF CENTER SUPPORT
DISASSEMBLY OF DRIVE SHAFT
ASSEMBLY OF DRIVE SHAFT
REMOVAL OF FRONT AXLE
INSTALLATION OF FRONT AXLE ASSEMBLY
REMOVAL OF FRONT DIFFERENTIAL ASSEMBLY
INSTALLATION OF FRONT DIFFERENTIAL ASSEMBLY
REMOVAL OF FRONT DIFFERENTIAL ASSEMBLY
INSTALLATION OF FRONT DIFFERENTIAL ASSEMBLY
REMOVAL OF REAR AXLE ASSEMBLY
INSTALLATION OF REAR AXLE ASSEMBLY
REMOVAL OF REAR DIFFERENTIAL ASSEMBLY
INSTALLATION OF REAR DIFFERENTIAL ASSEMBLY
DISASSEMBLY OF DIFFERENTIAL ASSEMBLY
ASSEMBLY OF DIFFERENTIAL ASSEMBLY
DISASSEMBLY OF FINAL DRIVE
ASSEMBLY OF FINAL DRIVE
REMOVAL OF ORBIT ROLL ASSEMBLY
INSTALLATION OF ORBIT ROLL ASSEMBLY
REMOVAL OF STEERING CYLINDER ASSEMBLY
INSTALLATION OF STEERING CYLINDER ASSEMBLY
REMOVAL OF STEERING DEMAND VALVE ASSEMBLY
INSTALLATION OF STEERING DEMAND VALVE ASSEMBLY
REMOVAL OF BRAKE VALVE ASSEMBIES
INSTALLATION OF BRAKE VALVE ASSEMBLY
DISASSEMBLY OF BRAKE VALVE (RIGHT)
ASSEMBLY OF BRAKE VALVE (RIGHT)
DISASSEMBLY OF BRAKE VALVE (LEFT)
ASSEMBLY OF BRAKE VALVE (LEFT)
REMOVAL OF SLACK ADJUSTER ASSEMBLY
INSTALLATION OF SLACK ADJUSTER ASSEMBLY
DISASSEMBLY OF SLACK ADJUSTER
ASSEMBLY OF SLACK ADJUSTER
REMOVAL OF BRAKE ASSEMBLY
INSTALLATION OF BRAKE ASSEMBLY
DISASSEMBLY OF BRAKE ASSEMBLY
ASSEMBLY OF BRAKE ASSEMBLY
REMOVAL OF HYDRAULIC PUMP
INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
DISASSEMBLY OF PISTON PUMP ASSEMBLY
ASSEMBLY OF PISTON PUMP ASSEMBLY
REMOVAL OF HYDRAULIC TANK ASSEMBLY
INSTALLATION OF HYDRAULIC TANK
REMOVAL OF PPC VALVE
INSTALLATION OF PPC VALVE
DISASSEMBLY OF PPC VALVE
ASSEMBLY OF PPC VALVE
REMOVAL OF WORK EQUIPMENT VALVE ASSEMBLY
INSTALLATION OF WORK EQUIPMENT VALVE ASSEMBLY
DISASSEMBLY OF WORK EQUIPMENT CONTROL VALVE
ASSEMBLY OF WORK EQUIPMENT CONTROL VALVE
REMOVAL OF DUMP CYLINDER
INSTALLATION OF DUMP CYLINDER
REMOVAL OF LIFT CYLINDER
INSTALLATION OF LIFT CYLINDER
DISASSEMBLY OF STEERING, LIFT, DUMP CYLINDER
ASSEMBLY STEERING, LIFT, DUMP CYLINDER
REMOVAL OF CENTER HINGE PIN
INSTALLATION OF CENTER HINGE PIN
REMOVAL OF WORK EQUIPMENT ASSEMBLY
INSTALLATION OF WORK EQUIPMENT ASSEMBLY
REMOVAL OF BULKHEAD ASSEMBLY
INSTALLATION OF BULKHEAD ASSEMBLY
REMOVAL OF BULKHEAD ASSEMBLY
INSTALLATION OF BULKHEAD ASSEMBLY
REMOVAL OF FLOOR FRAME ASSEMBLY
INSTALLATION OF FLOOR FRAME ASSEMBLY
REMOVAL OF COUNTERWEIGHT
INSTALLATION OF COUNTERWEIGHT
REMOVAL OF FUEL TANK ASSEMBLY
INSTALLATION OF FUEL TANK ASSEMBLY
REMOVAL OF FUEL TANK ASSEMBLY
INSTALLATION OF FUEL TANK ASSEMBLY
REMOVAL OF CAB
INSTALLATION OF CAB
REMOVAL OF STOP VALVE ASSEMBLY
INSTALLATION OF STOP VALVE ASSEMBLY
REMOVAL OF ACCUMULATOR CHARGE VALVE ASSEMBLY
INSTALLATION OF ACCUMULATOR CHARGE VALVE ASSEMBLY
DISASSEMBLY OF ACCUMULATOR CHARGE VALVE
ASSEMBLY OF ACCUMULATOR CHARGE VALVE
REMOVAL OF PARKING BRAKE SOLENOID VALVE AND PRESSURE SWITCH ASSEMBLY
INSTALLATION OF PARKING BRAKE SOLENOID VALVE AND PRESSURE SWITCH ASSEMBLY
REMOVAL OF DIVERTER VALVE ASSEMBLY
INSTALLATION OF DIVERTER VALVE ASSEMBLY
DISASSEMBLY OF DIVERTER VALVE
ASSEMBLY OF DIVERTER VALVE
REMOVAL OF EMERGENCY STEERING PUMP ASSEMBLY
INSTALLATION OF EMERGENCY STEERING PUMP ASSEMBLY
REMOVAL OF PARKING BRAKE ASSEMBLY
INSTALLATION OF PARKING BRAKE ASSEMBLY
DISASSEMBLY OF PARKING BRAKE CALIPERS
ASSEMBLY OF PARKING BRAKE CALIPERS
REMOVAL OF PARKING BRAKE PAD
INSTALLATION PARKING BRAKE PAD
REMOVAL OF PARKING BRAKE PAD
INSTALLATION PARKING BRAKE PAD
REMOVAL OF REAR TIRE ASSEMBLY
INSTALLATION OF REAR TIRE ASSEMBLY
REMOVAL OF AIR CONDITIONER COMPRESSOR ASSEMBLY
INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
REMOVAL OF AIR CONDITIONER COMPRESSOR ASSEMBLY
INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
REMOVAL OF AIR CONDITIONER CONDENSER ASSEMBLIES
INSTALLATION OF AIR CONDITIONER CONDENSER ASSEMBLY
REMOVAL OF RECEIVER TANK ASSEMBLY
INSTALLATION OF RECEIVER TANK ASSEMBLY
REMOVAL OF AIR CONDITIONER UNIT ASSEMBLY
INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
REMOVAL OF MAIN MONITOR
INSTALLATION OF MAIN MONITOR
REMOVAL OF MAINTENANCE MONITOR ASSEMBLY
INSTALLATION OF MAINTENANCE MONITOR ASSEMBLY
REMOVAL OF ENGINE, APS CONTROLLER ASSEMBLY
INSTALLATION OF ENGINE, APS CONTROLLER ASSEMBLY
REMOVAL OF AJSS LEVER SWITCH ASSEMBLY
INSTALLATION OF AJSS LEVER SWITCH ASSEMBLY

Maintenance standard
Engine and transmission mount
Damper
Torque converter and PTO
Torque converter regulator valve
Transmission
Transmission control valve
Transfer
Drive shaft
Center support
Differential
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
Control pump
Steering and switch pump
Main piston pump
Main control valve
PPC valve
PPC relief valve
Hydraulic cylinder
Work equipment linkage
Bucket
Bucket positioner and boom kick-out

Circuit diagrams

Engine SAA6D170E-2, SAA6D170E-3 workshop service manual