Komatsu PC750-6,PC750LC-6,PC750SE-6 (SN:10001-11000), PC800-6,PC800SE-6 (SN:30001-31000) Crawler Excavators Shop Manual (SEBD008707)

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: 10001-11000)
   PC750LC-6 (SN: 10001-11000)
   PC750SE-6 (SN: 10001-11000)
   PC800-6 (SN: 30001-31000)
   PC800SE-6 (SN: 30001-31000)

Format: PDF, 981 pages
Language: English
Table of Contents:
   GENERAL
      Specification drawings
      Specifications
      Weight table
      Fuel, coolant and lubricants
   STRUCTURE AND FUNCTION
      PTO
      PTO lubrication system
      Radiator, oil cooler, aftercooler
      Power train
      Swing machinery
      Swing circle
      Final drive
      Track frame
      Track shoe
      Air piping diagram
      Air circuit diagram
      Air governor
      Air tank
      Safety valve
      Horn valve
      Grease pump
      Hydraulic piping drawing
      Hydraulic circuit 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
      Safety lock valve
      Accumulator
      Valve control
      Work equipment, swing PPC valve
      Travel PPC valve
      Solenoid valve assembly
      Work equipment
      Air conditioner
      Actual electric wiring diagram
      Electric circuit diagram
      Engine control
      Electronic control system
      Machine monitor system
   TESTING AND ADJUSTING
      Standard value table for engine related parts
      Standard value table for chassis related parts
      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
      TROUBLESHOOTING
   DISASSEMBLY AND ASSEMBLY
      METHOD OF USING MANUAL
      PRECAUTIONS WHEN CARRYING OUT OPERATION
      SPECIAL TOOL LIST
      SKETCHES OF SPECIAL TOOLS
      STARTING MOTOR ASSEMBLY Removal, Installation
      ALTERNATOR ASSEMBLY Removal, Installation
      NOZZLE HOLDER ASSEMBLY Removal, Installation
      ENGINE OIL COOLER ASSEMBLY Removal, Installation
      FUEL INJECTION PUMP ASSEMBLY Removal, Installation
      WATER PUMP ASSEMBLY Removal, Installation
      TURBOCHARGER ASSEMBLY Removal, Installation
      THERMOSTAT ASSEMBLY Removal, Installation
      AIR COMPRESSOR ASSEMBLY Removal, Installation
      ENGINE FRONT SEAL Removal, Installation
      ENGINE REAR SEAL Removal, Installation
      GOVERNOR MOTOR ASSEMBLY Removal, Installation
      CYLINDER HEAD ASSEMBLY Removal, Installation
      AFTERCOOLER CORE Removal, Installation
      FAN GUARD, RADIATOR, HYDRAULIC COOLER ASSEMBLY Removal, Installation
      HYDRAULIC COOLER, AFTERCOOLER ASSEMBLY Removal, Installation
      ENGINE, PTO, HYDRAULIC PUMP ASSEMBLY Removal, Installation
      PTO ASSEMBLY Removal, Installation
      PTO ASSEMBLY Disassembly, Assembly
      FINAL DRIVE ASSEMBLY Removal, Installation
      FINAL DRIVE ASSEMBLY Disassembly, Assembly
      REVOLVING FRAME ASSEMBLY Removal, Installation
      SWING MACHINERY ASSEMBLY Removal, Installation
      SWING MACHINERY ASSEMBLY Disassembly, Assembly
      SWING CIRCLE ASSEMBLY Removal, Installation
      TRACK SHOE ASSEMBLY Removal, Installation
      ONE LINK IN FIELD Disassembly, Assembly
      SPROCKET Removal, Installation
      IDLER ASSEMBLY Removal, Installation
      IDLER ASSEMBLY Disassembly, Assembly
      IDLER ADJUSTMENT CYLINDER ASSEMBLY Disassembly, Assembly
      RECOIL SPRING ASSEMBLY Removal, Installation
      RECOIL SPRING ASSEMBLY Disassembly, Assembly
      CARRIER ROLLER ASSEMBLY Removal, Installation
      CARRIER ROLLER ASSEMBLY Disassembly, Assembly
      TRACK ROLLER ASSEMBLY Removal, Installation
      TRACK ROLLER ASSEMBLY Disassembly, Assembly
      TVC VALVE ASSEMBLY Removal, Installation
      CO, NC VALVE ASSEMBLY Removal, Installation
      SERVO VALVE ASSEMBLY Removal, Installation
      NO. 1 PUMP ASSEMBLY Removal, Installation
      NO. 2 PUMP ASSEMBLY Removal, Installation
      MAIN PUMP INPUT SHAFT OIL SEAL Removal, Installation
      CONTROL, PTO LUBRICATION PUMP ASSEMBLY Removal, Installation
      MAIN RELIEF VALVE ASSEMBLY Removal, Installation
      MAIN RELIEF VALVE ASSEMBLY Disassembly, Assembly
      CONTROL PUMP RELIEF VALVE ASSEMBLY Removal, Installation
      LEFT 5-SPOOL CONTROL VALVE ASSEMBLY Removal, Installation
      RIGHT 4-SPOOL CONTROL VALVE ASSEMBLY Removal, Installation
      CONTROL VALVE ASSEMBLY Disassembly, Assembly
      SWING MOTOR ASSEMBLY Removal, Installation
      CENTER SWIVEL JOINT ASSEMBLY Removal, Installation
      CENTER SWIVEL JOINT ASSEMBLY Disassembly, Assembly
      TRAVEL MOTOR ASSEMBLY Removal, Installation
      WORK EQUIPMENT PPC VALVE ASSEMBLY Removal, Installation
      WORK EQUIPMENT PPC VALVE ASSEMBLY Disassembly, Assembly
      TRAVEL PPC VALVE ASSEMBLY Removal, Installation
      TRAVEL PPC VALVE ASSEMBLY Disassembly, Assembly
      BUCKET CYLINDER ASSEMBLY Removal, Installation
      ARM CYLINDER ASSEMBLY Removal, Installation
      BOOM CYLINDER ASSEMBLY Removal, Installation
      BOTTOM DUMP CYLINDER ASSEMBLY Removal, Installation
      HYDRAULIC CYLINDER ASSEMBLY Disassembly, Assembly
      BUCKET ASSEMBLY Removal, Installation
      ARM ASSEMBLY Removal, Installation
      BOOM ASSEMBLY Removal, Installation
      BUCKET, ARM ASSEMBLY Removal, Installation
      WORK EQUIPMENT ASSEMBLY Removal, Installation
      OPERATOR`S CAB ASSEMBLY Removal, Installation
      COUNTERWEIGHT ASSEMBLY Removal, Installation
      AIR CONDITIONER COMPRESSOR ASSEMBLY Removal, Installation
      AIR CONDITIONER UNIT ASSEMBLY Removal, Installation
      GOVERNOR, PUMP CONTROLLER ASSEMBLY Removal, Installation
      MONITOR PANEL ASSEMBLY Removal, Installation
      CONTROL STAND CASE Removal, Installation
   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 piping drawing (Back hoe)
      Hydraulic piping drawing (Back hoe)
      Hydraulic piping drawing (Loading shovel)
      Hydraulic circuit drawing (Back hoe)
      Hydraulic circuit drawing (Loading shovel)
      Hydraulic piping drawing (Back hoe)
      Hydraulic circuit drawing (Loading shovel)
      Actual electric wiring diagram (1/2) (Back hoe)
      Actual electric wiring diagram (2/2) (Back hoe)
      Actual electric wiring diagram (1/2) (Loading shovel)
      Actual electric wiring diagram (2/2) (Loading shovel)
      Electric circuit diagram (1/3) (Back hoe)
      Electric circuit diagram (2/3) (Back hoe)
      Electric circuit diagram (3/3) (Back h