Komatsu PC400-7, PC400LC-7 (SN:50001-), PC450-7, PC450LC-7 (SN: 20001-) Crawler Excavators (Japan) Workshop Manual (SEBM033012)

Illustrated factory Workshop Manual for Komatsu Crawler Excavators Models PC400-7, PC400LC-7, PC450-7 and PC450LC-7.

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):
   PC400-7 (SN: 50001-)
   PC400LC-7 (SN: 50001-)
   PC450-7 (SN: 20001-)
   PC450LC-7 (SN: 20001-)

Format: PDF, 874 pages
Language: English
Table of Contents:
   GENERAL
      SPECIFICATION DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      FUEL, COOLANT AND LUBRICANTS
   STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
      ENGINE RELATED PARTS
      RADIATOR・OIL COOLER・AFTERCOOLER
      POWER TRAIN
      FINAL DRIVE
      SPROCKET
      SWING MACHINERY
      SWING CIRCLE
      TRACK FRAME AND RECOIL SPRING
      IDLER
      CARRIER ROLLER
      TRACK ROLLER
      TRACK SHOE
      HYDRAULIC PIPING DRAWING
      HYDRAULIC TANK
      HYDRAULIC PUMP
      LS(PC)-EPC VALVE
      VARIABLE VOLUME VALVE
      CONTROL VALVE
      CLSS
      FUNCTIONS AND OPERATION BY VALVE
      ATTACHMENT CIRCUIT SELECTOR VALVE
      HOLDING VALVE
      SWING MOTOR
      REVERSAL PREVENTION VALVE
      CENTER SWIVEL JOINT
      TRAVEL MOTOR
      VALVE CONTROL
      TRAVEL PPC SHUTTLE VALVE
      WORK EQUIPMENT・SWING PPC VALVE
      TRAVEL PPC VALVE
      SERVICE PPC VALVE
      SOLENOID VALVE
      PPC ACCUMULATOR
      RETURN OIL FILTER
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      AIR CONDITIONER
      ENGINE CONTROL
      ELECTRONIC CONTROL SYSTEM
      MONITOR SYSTEM
      SEGMENT MONITOR SYSTEM
      SENSOR
   TESTING AND ADJUSTING
      STANDARD VALUE TABLE FOR ENGINE
      STANDARD VALUE TABLE FOR CHASSIS (BACKHOE SPECIFICATION)
      STANDARD VALUE TABLE FOR CHASSIS (LOADING SHOVEL SPECIFICATION)
      TESTING AND ADJUSTING
      TROUBLESHOOTING
   DISASSEMBLY AND ASSEMBLY
      HOW TO READ THIS MANUAL
      COATING MATERIALS LIST
      SPECIAL TOOL LIST
      REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
      REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
      REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
      REMOVAL AND INSTALLATION OF FUEL SUPPLY PUMP ASSEMBLY
      REMOVAL AND INSTALLATION OF FUEL INJECTOR ASSEMBLY
      REMOVAL AND INSTALLATION OF NOZZLE TIP
      REMOVAL AND INSTALLATION OF STARTING MOTOR ASSEMBLY
      REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
      REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
      REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLY
      REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
      REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
      REMOVAL AND INSTALLATION OF SPROCKET
      REMOVAL AND INSTALLATION OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF TRAVEL ROLLER ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY
      EXPANSION AND INSTALLATION OF TRACK SHOE ASSEMBLY
      REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
      REMOVAL AND INSTALLATION OF OPERATOR`S CAB
      REMOVAL AND INSTALLATION OF MONITOR ASSEMBLY
      REMOVAL AND INSTALLATION OF PUMP CONTROLLER
      REMOVAL AND INSTALLATION OF ENGINE CONTROLLER
      REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY
      REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY
      REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
      REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
      REMOVAL AND INSTALLATION OF OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
      REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY
      REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
      REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
      REMOVAL AND INSTALLATION OF OPERATOR`S CAB GLASS (STUCK GLASS)
      REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY
   OTHERS
      HYDRAULIC CIRCUIT DIAGRAM (1/2)
      HYDRAULIC CIRCUIT DIAGRAM (2/2)
      ELECTRICAL CIRCUIT DIAGRAM (1/6)
      ELECTRICAL CIRCUIT DIAGRAM (2/6)
      ELECTRICAL CIRCUIT DIAGRAM (3/6)
      ELECTRICAL CIRCUIT DIAGRAM (4/6)
      ELECTRICAL CIRCUIT DIAGRAM (5/6)
      ELECTRICAL CIRCUIT DIAGRAM (6/6)
      AIR CONDITIONER ELECTRICAL CIRCUIT
      ELECTRICAL CIRCUIT DIAGRAM (A1 SIZE)
      CONNECTORS TABLE AND ARRANGEMENT DRAWING (A1 SIZE)