Komatsu Excavator PC450-6K PC450LC-6K service & repair manual

Description Komatsu Excavator PC450-6K PC450LC-6K service & repair manual

Komatsu Hydraulic Excavator PC450-6K, PC450LC-6K pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
PC450-6K K32001 and up
PC450-6K K34001 and up
PC450LC-6K K32001 and up
PC450LC-6K K34001 and up

MANUAL CONTENT:
GENERAL
Specification drawings
Specifications
Weight table
Fuel, coolant and lubricants

STRUCTURE AND FUNCTION
Parts related to engine
Radiator, oil cooler
Power train
Final drive
Swing circle
Swing machinery
Track frame, recoil spring
Track shoe
Hydraulic piping drawing
Hydraulic circuit diagram
Hydraulic tank, hydraulic filter
Hydraulic pump
Control valve
Self-reducing pressure valve
Suction safety valve
CLSS
Swing motor
Center swivel joint
Travel motor
Valve control
Work equipment swing PPC valve
Travel PPC valve
Service PPC valve
PPC safety lock valve
PPC accumulator
PPC shuttle valve, travel junction valve
LS-EPC valve
Solenoid valve
Boom safety valve
Overload warning device
Work equipment
Air conditioner
Actual electric wiring diagram
Electric circuit diagram
Engine control
Electronic control system
Machine monitor system
Breaker mode hydraulic performance

TESTING AND ADJUSTING
Standard value table
Standard value table for engine related parts
Standard value table for chassis related parts
Standard value table for electrical parts

TROUBLESHOOTING

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
STARTING MOTOR ASSEMBLY
ALTERNATOR ASSEMBLY
ENGINE OIL COOLER ASSEMBLY
Removal and Installation
FUEL INJECTION PUMP ASSEMBLY
WATER PUMP ASSEMBLY
NOZZLE HOLDER ASSEMBLY
TURBOCHARGER ASSEMBLY
THERMOSTAT ASSEMBLY
ENGINE FRONT SEAL
ENGINE REAR SEAL
CYLINDER HEAD ASSEMBLY
GOVERNOR MOTOR ASSEMBLY
AFTERCOOLER CORE ASSEMBLY
HYDRAULIC COOLER ASSEMBLY
RADIATOR, HYDRAULIC COOLER ASSEMBLY
ENGINE, MAIN PUMP ASSEMBLY
DAMPER ASSEMBLY
FUEL TANK ASSEMBLY
CENTER SWIVEL JOINT ASSEMBLY
FINAL DRIVE ASSEMBLY
TRAVEL MOTOR ASSEMBLY
SPROCKET
SWING MOTOR ASSEMBLY
SWING MACHINERY ASSEMBLY
REVOLVING FRAME ASSEMBLY
SWING CIRCLE ASSEMBLY
IDLER, RECOIL SPRING ASSEMBLY
IDLER ASSEMBLY
RECOIL SPRING ASSEMBLY
TRACK ROLLER ASSEMBLY
CARRIER ROLLER ASSEMBLY
TRACK SHOE ASSEMBLY
HYDRAULIC TANK ASSEMBLY
MAIN PUMP ASSEMBLY
MAIN PUMP INPUT SHAFT OIL SEAL
CONTROL VALVE ASSEMBLY
PUMP MERGE/DIVIDER VALVE ASSEMBLY
PRESSURE COMPENSATION VALVE ASSEMBLY
SERVO VALVE ASSEMBLY FOR FRONT PUMP
SERVO VALVE ASSEMBLY FOR REAR PUMP
LS-EPC SOLENOID VALVE ASSEMBLY
SOLENOID VALVE ASSEMBLY
WORK EQUIPMENT PPC VALVE ASSEMBLY
TRAVEL PPC VALVE ASSEMBLY
PPC SHUTTLE VALVE ASSEMBLY
BOOM CYLINDER ASSEMBLY
ARM CYLINDER ASSEMBLY
BUCKET CYLINDER ASSEMBLY
HYDRAULIC CYLINDER ASSEMBLY
WORK EQUIPMENT ASSEMBLY
BUCKET ASSEMBLY
ARM ASSEMBLY
BUCKET, ARM ASSEMBLY
BOOM ASSEMBLY
OPERATOR’S CAB ASSEMBLY
COUNTERWEIGHT ASSEMBLY
AIR CONDITIONER COMPRESSOR ASSEMBLY
CONDENSER ASSEMBLY
RECEIVER TANK ASSEMBLY
AIR CONDITIONER UNIT ASSEMBLY
GOVERNOR, PUMP CONTROLLER ASSEMBLY
MONITOR PANEL ASSEMBLY
CONTROL STAND CASE

MAINTENANCE STANDARD
Engine mount
Swing machinery
Swing circle
Final drive
Track frame and recoil spring
Idler
Carrier roller
Track roller
Track shoe
Hydraulic pump
Control valve
Self-reducing pressure valve
Suction-safety valve
Swing motor
Travel motor
Travel PPC valve
Service PPC valve
PPC shuttle valve, travel junction valve
LS-EPC valve
Solenoid valve
Center swivel joint
Hydraulic cylinder
Work equipment
Dimensions of work equipment

OTHERS
Hydraulic circuit diagram
Electric circuit diagram

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