Komatsu PC750-6, PC750LC-6, PC750SE-6 (SN: 11001-), PC800-6, PC800SE-6 (SN: 31001-) Crawler Excavators Shop Manual (SEBM025305)

Illustrated factory Workshop Manual for Komatsu Crawler Excavators Models PC750-6, PC750LC-6, PC750SE-6, PC800-6 and PC800SE-6.

This manual will assist you in diagnosing, repairing, and adjusting for your crawler excavator.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models (Japan):
   PC750-6 (SN: 11001-)
   PC750LC-6 (SN: 11001-)
   PC750SE-6 (SN: 11001-)
   PC800-6 (SN: 31001-)
   PC800SE-6 (SN: 31001-)

Format: PDF, 730 pages
Language: English
Table of Contents:
   GENERAL
      SPECIFICATION DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      FUEL, COOLANT AND LUBRICANTS
   STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
      PTO
      PTO LUBRICATION SYSTEM
      POWER TRAIN
      SWING MACHINERY
      SWING CIRCLE
      FINAL DRIVE
      TRACK FRAME AND RECOIL SPRING
      IDLER
      CARRIER ROLLER
      TRACK ROLLER
      TRACK SHOE
      MOTOR GREASE PUMP
      HYDRAULIC TANK
      HYDRAULIC PUMP
      LINE OIL FILTER
      PILOT OIL FILTER
      DRAIN OIL FILTER
      L.H. 5-SPOOL CONTROL VALVE
      R.H. 4-SPOOL CONTROL VALVE
      STRAIGHT-TRAVEL VALVE
      SWING MOTOR
      CENTER SWIVEL JOINT
      TRAVEL MOTOR
      PPC CONTROL RELIEF VALVE
      SAFETY LOCK VALVE
      PPC ACCUMULATOR
      VALVE CONTROL
      WORK EQUIPMENT, SWING PPC VALVE
      TRAVEL PPC VALVE
      SOLENOID VALVE
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      DIMENSIONS OF WORK EQUIPMENT
      AIR CONDITIONER
      ENGINE CONTROL
      MACHINE CONTROL SYSTEM
      MONITOR SYSTEM
      SENSORS
   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 AIR SUPPLY PRESSURE (BOOST PRESSURE)
      MEASURING EXHAUST TEMPERATURE
      MEASURING EXHAUST COLOR
      ADJUSTING VALVE CLEARANCE
      MEASURING BLOW-BY PRESSURE
      MEASURING COMPRESSION PRESSURE
      MEASURING ENGINE OIL PRESSURE
      HANDLING EQUIPMENT IN FUEL CIRCUIT
      RELEASING REMAINING PRESSURE IN FUEL SYSTEM
      MEASURING FUEL PRESSURE
      REDUCED CYLINDER MODE OPERATION FOR ENGINE
      BLEEDING AIR FROM FUEL CIRCUIT
      CHECKING FOR LEAKAGE IN FUEL CIRCUIT
      TESTING AND ADJUSTING ALTERNATOR BELT TENSION
      TESTING AND ADJUSTING FAN BELT TENSION
      TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR DRIVE BELT TENSION
      HANDLING ENGINE CONTROLLER HIGH VOLTAGE CIRCUIT
      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
      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
      RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
      PROCEDURE FOR CHECKING DIODE
      TROUBLESHOOTING
   DISASSEMBLY AND ASSEMBLY
      METHOD OF USING MANUAL
      PRECAUTIONS WHEN CARRYING OUT OPERATION
      SPECIAL TOOL LIST
      SKETCHES OF SPECIAL TOOLS
      FUEL SUPPLY PUMP
      FUEL INJECTOR
      NOZZLE TIP
      ENGINE FRONT SEAL
      ENGINE REAR SEAL
      CYLINDER HEAD ASSEMBLY
      AFTERCOOLER CORE
      FAN GUARD, RADIATOR, HYDRAULIC OIL COOLER ASSEMBLY
      FUEL COOLER AND AIR CONDITIONER CONDENSER ASSEMBLY
      FUEL TANK ASSEMBLY
      ENGINE, PTO AND HYDRAULIC PUMP ASSEMBLY
      PTO ASSEMBLY
      PTO ASSEMBLY
      FINAL DRIVE ASSEMBLY
      REVOLVING FRAME ASSEMBLY
      SWING MACHINERY ASSEMBLY
      SWING MACHINERY ASSEMBLY
      SWING CIRCLE ASSEMBLY
      TRACK SHOE ASSEMBLY
      ONE LINK IN FIELD
      IDLER ASSEMBLY
      IDLER ASSEMBLY
      IDLER ADJUSTMENT CYLINDER ASSEMBLY
      RECOIL SPRING ASSEMBLY
      RECOIL SPRING ASSEMBLY
      CARRIER ROLLER ASSEMBLY
      CARRIER ROLLER ASSEMBLY
      TRACK ROLLER ASSEMBLY
      TRACK ROLLER ASSEMBLY
      HYDRAULIC TANK ASSEMBLY
      MAIN PUMP (NO. 1 PUMP) ASSEMBLY
      MAIN PUMP (NO. 2 PUMP) ASSEMBLY
      MAIN PUMP INPUT SHAFT OIL SEAL
      CONTROL・PTO LUBRICATION PUMP ASSEMBLY
      MAIN RELIEF VALVE ASSEMBLY
      CONTROL VALVE ASSEMBLY
      SOLENOID VALVE ASSEMBLY
      BOOM DAMPING VALVE ASSEMBLY
      SWING MOTOR ASSEMBLY
      CENTER SWIVEL JOINT ASSEMBLY
      CENTER SWIVEL JOINT ASSEMBLY
      TRAVEL MOTOR ASSEMBLY
      WORK EQUIPMENT PPC VALVE ASSEMBLY
      TRAVEL PPC VAVEL ASSEMBLY
      BUCKET CYLINDER ASSEMBLY
      ARM CYLINDER ASSEMBLY
      BOOM CYLINDER ASSEMBLY
      BOTTOM DUMP CYLINDER ASSEMBLY
      HYDRAULIC CYLINDER ASSEMBLY
      BUCKET ASSEMBLY
      ARM ASSEMBLY
      BOOM ASSEMBLY
      WORK EQUIPMENT ASSEMBLY
      OPERATOR`S CAB ASSEMBLY
      COUNTERWEIGHT ASSEMBLY
   OTHERS
      HYDRAULIC CIRCUIT DRAWING (BACKHOE SPECIFICATION)
      HYDRAULIC CIRCUIT DRAWING (LOADING SHOVEL SPECIFICATION)
      ELECTRIC CIRCUIT DIAGRAM (1/4)
      ELECTRIC CIRCUIT DIAGRAM (2/4)
      ELECTRIC CIRCUIT DIAGRAM (3/4)
      ELECTRIC CIRCUIT DIAGRAM (4/4)