Komatsu PC450-6K and PC450LC-6K (SN: K30001-32000) Crawler Excavators (United Kingdom) Workshop Manual (EEBD001304)

Illustrated factory Workshop Manual for Komatsu Crawler Excavators Models PC450-6K and PC450LC-6K.

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 (United Kingdom):
   PC450-6K (SN: K30001-32000)
   PC450LC-6K (SN: K30001-32000)

Format: PDF, 789 pages
Language: English
Table of Contents:
   SAFETY
      SAFETY NOTICE
   FOREWARD
      GENERAL
      HOW TO READ THE SHOP MANUAL
      HOISTING INSTRUCTIONS
      COATING MATERIALS
      STANDARD TIGHTENING TORQUE
      ELECTRIC WIRE CODE
      CONVERSION TABLE
   GENERAL
      SPECIFICATION DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      FUEL, COOLANT AND LUBRICANTS
   STRUCTURE AND FUNCTION
      PARTS RELATED TO ENGINE
      RADIATOR, OIL COOLER
      POWER TRAIN
      FINAL DRIVE
      SWING CIRCLE
      SWING MACHINERY
      TRACK FRAME, RECOIL SPRING
      TRACK SHOE
      HYDRAULIC PIPING DRAWING
      HYDRAULIC CIRCUIT DIAGRAM
      HYDRAULIC TANK, HYDRAULIC FILTER
      HYDRAULIC PUMP
      CONTROL VALVE
      SUCTION SAFETY VALVE
      CLSS
      SWING MOTOR
      CENTER SWIVEL JOINT
      TRAVEL MOTOR
      VALVE CONTROL
      WORK EQUIPMENT, SWING PPC VALVE
      TRAVEL PPC VALVE
      SERVICE PPC VALVE
      PPC SAFETY LOCK VALVE
      PPC ACCUMULATOR
      PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
      EPC SOLENOID VALVE
      BOOM SAFETY VALVE
      HYDRAULIC CYLINDER
      OVERLOAD WARNING DEVICE
      WORK EQUIPMENT
      ACTUAL ELECTRIC WIRING DIAGRAM
      ELECTRIC CIRCUIT DIAGRAM
      ENGINE CONTROL
      ELECTRONIC CONTROL SYSTEM
      MACHINE MONITOR SYSTEM
      BREAKER MODE HYDRAULIC PERFORMANCE
   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 EXHAUST COLOR
      VALVES AND INJECTORS
      MEASURING BLOW-BY PRESSURE
      TESTING AND ADJUSTING FUEL INJECTION TIMING
      MEASURING ENGINE OIL PRESSURE
      TESTING AND ADJUSTING FAN BELT TENSION
      TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
      ADJUSTING ENGINE SPEED SENSOR
      MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)
      TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE
      TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
      TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)
      TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE
      TESTING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE
      TESTING SOLENOID VALVE OUTPUT PRESSURE
      MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE
      ADJUSTING WORK EQUIPMENT, SWING PPC VALVE
      TESTING TRAVEL DEVIATION
      TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
      MEASURING OIL LEAKAGE
      RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
      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
      ALTERNATOR ASSEMBLY
      NOZZLE HOLDER ASSEMBLY
      THERMOSTAT ASSEMBLY
      CYLINDER HEAD ASSEMBLY
      HYDRAULIC COOLER ASSEMBLY
      RADIATOR, HYDRAULIC COOLER ASSEMBLY
      ENGINE, MAIN PUMP ASSEMBLY
      DAMPER ASSEMBLY
      FUEL TANK ASSEMBLY
      CENTER SWIVEL JOINT ASSEMBLY
      FINAL DRIVE ASSEMBLY
      TRAVEL MOTOR ASSEMBLY
      SPROCKET
      SWING MOTOR ASSEMBLY
      SWING MACHINERY ASSEMBLY
      REVOLVING FRAME ASSEMBLY
      SWING CIRCLE ASSEMBLY
      IDLER, RECOIL SPRING ASSEMBLY
      IDLER ASSEMBLY
      RECOIL SPRING ASSEMBLY
      TRACK ROLLER ASSEMBLY
      CARRIER ROLLER ASSEMBLY
      TRACK SHOE ASSEMBLY
      HYDRAULIC TANK ASSEMBLY
      CONTROL PUMP ASSEMBLY
      MAIN PUMP ASSEMBLY
      MAIN PUMP INPUT SHAFT OIL SEAL
      CONTROL VALVE ASSEMBLY
      PUMP MERGE/DEVIDER VALVE ASSEMBLY
      PRESSURE COMPENSATION VALVE ASSEMBLY
      SERVO VALVE ASSEMBLY FOR FRONT PUMP
      SERVO VALVE ASSEMBLY FOR REAR PUMP
      LS-EPC SOLENOID VALVE ASSEMBLY
      SOLENOID VALVE ASSEMBLY
      WORK EQUIPMENT PPC VALVE ASSEMBLY
      TRAVEL PPC VALVE ASSEMBLY
      PPC SHUTTLE VALVE ASSEMBLY
      BOOM CYLINDER ASSEMBLY
      ARM CYLINDER ASSEMBLY
      BUCKET CYLINDER ASSEMBLY
      HYDRAULIC CYLINDER ASSEMBLY
      WORK EQUIPMENT ASSEMBLY
      BUCKET ASSEMBLY
      ARM ASSEMBLY
      BUCKET, ARM ASSEMBLY
      BOOM ASSEMBLY
      OPERATOR`S CAB ASSEMBLY
      COUNTERWEIGHT ASSEMBLY
      GOVERNOR, PUMP CONTROLLER ASSEMBLY
      MONITOR PANEL ASSEMBLY
      CONTROL STAND CASE
   MAINTENANCE STANDARD
      SWING MACHINERY
      SWING CIRCLE
      FINAL DRIVE
      TRACK FRAME AND RECOIL SPRING
      IDLER
      CARRIER ROLLER
      TRACK ROLLER
      TRACK
      HYDRAULIC PUMP
      CONTROL PUMP AND RELIEF VALVE
      CONTROL VALVE
      SUCTION SAFETY VALVE
      SWING MOTOR
      TRAVEL MOTOR
      WORK EQUIPMENT, SWING PPC VALVE
      TRAVEL PPC VALVE
      SERVICE PPC VALVE
      PPC SHUTTLE VALVE, TRAVEL JUNCTION
      EPC SOLENOID VALVE
      CENTER SWIVEL JOINT
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      DIMENSIONS OF WORK EQUIPMENT