Komatsu PC450LC-8 (SN from A10001) Crawler Excavators with SAA6D125E-5 engines (USA) Workshop Manual (CEBM007602)

Illustrated factory Workshop Manual for Komatsu Crawler Excavators Models PC450LC-8.

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 (USA):
   PC450LC-8 (SN: A10001-)

Format: PDF, 1129 pages
Language: English
Table of Contents:
   CEBM007602 - PC450LC-8 sn A10001 and up
      REVISED PAGES
      SAFETY
      GENERAL
      HOW TO READ THE SHOP MANUAL
      HOISTING INSTRUCTIONS
      PUSH PULL COUPLER
      EXPLANATION OF MAINTENANCE STANDARD TERMS
      STANDARD TIGHTENING TORQUE
      ELECTRIC WIRE CODE
      CONVERSION TABLES
      COATING MATERIALS
   GENERAL
      SPECIFICATION DIMENSION DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      FUEL, COOLANT AND LUBRICANTS
   STRUCTURE, FUNCTION ANDMAINTENANCE STANDARD
      ENGINE AND COOLING SYSTEM
      POWER TRAIN
      UNDERCARRIAGE AND FRAME
      HYDRAULIC SYSTEM
      WORK EQUIPMENT
      AIR CONDITIONER PIPING
      ELECTRICAL SYSTEM
      ELECTRONIC CONTROL SYSTEM
      MONITOR SYSTEM
      KOMTRAX TERMINAL SYSTEM
   STANDARD VALUE TABLES
      STANDARD VALUE TABLES
   TESTING AND ADJUSTING
      SERVICE TOOLS
      ENGINE
      FAN BELT AND ALTERNATOR BELT TENSION
      AIR CONDITIONER COMPRESSOR BELT TENSION
      SWING CIRCLE BEARING CLEARANCE
      TRACK SHOE TENSION
      OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
      CONTROL CIRCUIT - BASIC PRESSURE
      PUMP PC CONTROL CIRCUIT
      PUMP LS CONTROL CIRCUIT
      SOLENOID VALVE - OUTPUT PRESSURE
      PPC VALVE - OUTPUT PRESSURE
      WORK EQUIPMENT PPC VALVE AND SWING PPC VALVE - PLAY ADJUSTMENT
      WORK EQUIPMENT - HYDRAULIC DRIFT - CAUSE
      HYDRAULIC CIRCUIT - RELEASING REMAINING PRESSURE
      BLEEDING AIR FROM VARIOUS PARTS
      MACHINE MONITOR - SPECIAL FUNCTIONS
      HANDLING VOLTAGE CIRCUIT OF ENGINE CONTROLLER
      PREPARATION WORK FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM
      DIODE INSPECTION PROCEDURES
      PM CLINIC SERVICE
   TROUBLESHOOTING
      FAILURE CODES TABLE
      FUSE LOCATIONS
      GENERAL INFORMATION
      FAILURE CODE (DISPLAY OF CODE)
      E-MODE (ELECTRICAL SYSTEM)
      H-MODE (HYDRAULIC AND MECHANICAL SYSTEMS)
   DISASSEMBLY AND ASSEMBLY
      HOW TO READ THIS MANUAL
      SPECIAL TOOLS LIST
      SKETCHES OF SPECIAL TOOLS
      CONNECTOR REPAIR PROCEDURES
      ENGINE COMPONENTS
      RADIATOR
      HYDRAULIC OIL COOLER
      AFTERCOOLER
      ENGINE AND HYDRAULIC OIL PUMP
      DRIVE ASSEMBLY
      SWING MOTOR AND SWING MACHINERY
      SWING CIRCLE
      CARRIER ROLLER
      TRACK ROLLER
      IDLER
      RECOIL SPRING
      SPROCKET
      TRACK SHOE
      REVOLVING FRAME
      COUNTERWEIGHT
      COUNTERWEIGHT REMOVER
      CENTER SWIVEL JOINT
      HYDRAULIC TANK
      CONTROL VALVE
      HYDRAULIC PUMP
      HYDRAULIC PUMP INPUT SHAFT OIL SEAL
      WORK EQUIPMENT PPC VALVE
      TRAVEL PPC VALVE
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      CAB
      ELECTRICAL SYSTEMS
   AIR CONDITIONER
      STRUCTURE AND FUNCTION
      TESTING AND ADJUSTING
      TROUBLESHOOTING
   OTHERS
      Hydraulic circuit diagram
      Electrical circuit diagram (1/5)
      Electrical circuit diagram (2/5)
      Electrical circuit diagram (3/5)
      Electrical circuit diagram (4/5)
      Electrical circuit diagram (5/5)
      Connector list and stereogram