Komatsu Excavator PC750-6 PC800-6 service & repair manual

Description Komatsu Excavator PC750-6 PC800-6 service & repair manual

Komatsu Hydraulic Excavator PC750-6, PC800-6 pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
PC750-6 10001 and up, 11001 and up
PC750SE-6 10001 and up, 11001 and up
PC750LC-6 10001 and up, 11001 and up
PC800-6 30001 and up, 31001 and up
PC800SE-6 30001 and up, 31001 and up

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

STRUCTURE AND FUNCTION
Radiator, oil cooler, aftercooler
Power train
Swing machinery
Swing circle
Final drive
Track frame
Track shoe
Air circuit diagram
Air governor
Air tank
Safety valve
Hydraulic piping drawing
Hydraulic tank
Hydraulic pump
Line oil filter
Pilot oil filter
Return oil filter
Drain oil filter
L.H. 5-spool control valve
R.H. 4-spool control valve
Swing motor
Center swivel joint
Travel motor
PPC control relief valve
Accumulator
Valve control
Work equipment, swing PPC valve
Travel PPC valve
Solenoid valve assembly
Air conditioner
Actual electric wiring diagram
Engine control
Electronic control system
Machine monitor system

TESTING AND ADJUSTING
Standard value table for engine
Standard value table for chassis
Standard value table for electrical parts
Tools for testing, adjusting, and troubleshooting
Measuring engine speed
Measuring air supply pressure (boost pressure)
Measuring exhaust temperature
Measuring exhaust color
Adjusting valve clearance
Measuring compression pressure
Measuring blow-by pressure
Testing and adjusting fuel injection timing
Measuring engine oil pressure
Testing and adjusting alternator belt tension
Testing and adjusting fan belt tension
Testing and adjusting belt tension for air conditioner compressor
Testing and adjusting governor motor lever stroke
Adjusting engine speed sensor
Testing and adjusting hydraulic pressure in work equipment, swing, travel circuit
Testing and adjusting control pump circuit oil pressure
Testing and adjusting piston pump control pressure
Measuring servo piston stroke
Measuring PPC valve output pressure and testing PPC shuttle valve
Testing solenoid valve output pressure
Adjusting work equipment swing PPC valve
Testing travel deviation
Testing locations causing hydraulic drift of work equipment
Measuring oil leakage
Testing clearance of swing circle bearing
Testing and adjusting track shoe tension
Bleeding air

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
STARTING MOTOR ASSEMBLY
ALTERNATOR ASSEMBLY
NOZZLE HOLDER ASSEMBLY
ENGINE OIL COOLER ASSEMBLY
FUEL INJECTION PUMP ASSEMBLY
WATER PUMP ASSEMBLY
TURBOCHARGER ASSEMBLY
THERMOSTAT ASSEMBLY
AIR COMPRESSOR ASSEMBLY
ENGINE FRONT SEAL
ENGINE REAR SEAL
GOVERNOR MOTOR ASSEMBLY
CYLINDER HEAD ASSEMBLY
AFTERCOOLER CORE
FAN GUARD, RADIATOR, HYDRAULIC COOLER ASSEMBLY
HYDRAULIC COOLER, AFTERCOOLER ASSEMBLY
ENGINE, PTO, HYDRAULIC PUMP
PTO ASSEMBLY
FINAL DRIVE ASSEMBLY
REVOLVING FRAME ASSEMBLY
SWING MACHINERY ASSEMBLY
SWING CIRCLE ASSEMBLY
TRACK SHOE ASSEMBLY
ONE LINK IN FIELD
SPROCKET
IDLER ASSEMBLY
IDLER ADJUSTMENT CYLINDER ASSEMBLY
RECOIL SPRING ASSEMBLY
RECOIL SPRING ASSEMBLY
CARRIER ROLLER ASSEMBLY
CARRIER ROLLER ASSEMBLY
TRACK ROLLER ASSEMBLY
TRACK ROLLER ASSEMBLY
TVC VALVE ASSEMBLY

MAINTENANCE STANDARD
Engine mount
PTO
Swing circle
Swing machinery
Final drive
Track frame
Idler
Carrier roller
Track roller
Track shoe
Hydraulic pump
Charging and PTO lubrication pump
L.H. 5-spool control valve
R.H. 4-spool control valve
Swing motor
Travel motor
Center swivel joint
PPC control relief valve
PPC valve
Hydraulic cylinder
Work equipment
Dimensions of work equipment

OTHERS
Hydraulic circuit
Electrical circuit

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