Komatsu PC300LC-5 (SN from A30001) and PC400LC-5 (SN: A40001-70500) Crawler Excavators (USA) Workshop Manual (CEBD207041)

Illustrated factory Workshop Manual for Komatsu Crawler Excavators Models PC300LC-5 (WITH KDC 614TA ENGINE) and PC400LC-5 (with Cummins LTA10-C engine).

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):
   PC300LC-5 (SN: A30001-)
   PC400LC-5 (SN: A40001-70500)

Format: PDF, 683 pages
Language: English
Table of Contents:
   GENERAL
      GENERAL VIEW - PC300LG5, PC400LG5
      MACHINE DIMENSIONS - PC300LG5
      WORKING RANGE DIMENSIONS - PC300LC-5
      MACHINE SPECIFICATIONS - PC300LG5
      MACHINE DIMENSIONS - PC400LC-5
      WORKING RANGE DIMENSIONS - PC400LC-5
      MACHINE SPECIFICATIONS - PC400LC-5
      WEIGHT TABLE
      REFILL SPECIFICATIONS AND CAPACITIES
   STRUCTURE AND FUNCTION
      ENGINE RELATED PARTS AND ENGINE MOUNT PC300LC
      ENGINE RELATED PARTS AND ENGINE MOUNT PC400LC
      RADIATOR AND OIL COOLER PC300LC
      RADIATOR AND OIL COOLER PC400LC
      FUEL TANK AND PIPING PC300LC
      FUEL TANK AND PIPING PC400LC
      POWER TRAIN
      FINAL DRIVE PC300LC
      FINAL DRIVE PC400LC
      SWING CIRCLE PC300LC
      SWING CIRCLE PC400LC
      SWING MACHINERY PC300LC
      SWING MACHINERY PC400LC
      TRACK FRAME AND RECOIL SPRING PC300LC
      TRACK FRAME AND RECOIL SPRING PC400LC
      IDLER PC300LC
      IDLER PC400LC
      TRACK ROLLER
      CARRIER ROLLER
      TRACK SHOE PC300LC
      TRACK SHOE PC400LC
      HYDRAULIC PIPING
      HYDRAULIC CIRCUIT DIAGRAM
      HYDRAULIC TANK PC300LC
      HYDRAULIC TANK PC400LC
      OLSS (Open Center Load Sensing System)
      HYDRAULIC PUMP
      LINE OIL FILTER
      CONTROL VALVE
      SWING MOTOR
      CENTER SWIVEL JOINT
      TRAVEL MOTOR PC300LC
      TRAVEL MOTOR PC400LC
      VALVE CONTROL
      PPC VALVE
      ACCUMULATOR
      SAFETY LOCK VALVE
      SOLENOID VALVE ASSEMBLY
      SHUTTLE VALVE
      BOOM HOLDING VALVE
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      ELECTRICAL WIRING DIAGRAM PC300LC
      ELECTRICAL WIRING DIAGRAM PC400LC
      ELECTRICAL CIRCUIT DIAGRAM PC300LC
      ELECTRICAL CIRCUIT DIAGRAM PC400LC
      ENGINE CONTROL SYSTEM PC300LC (S/N A30001 THRU A30110, A30112 AND A30114 THRU A30116)
      ENGINE CONTROL SYSTEM PC300LC (S/N A30111, A30113 AND A30117 AND UP)
      ENGINE CONTROL SYSTEM PC400LC
      PEMC SYSTEM
      EMACC (ELECTRONIC MONITOR AND CONTROL CONSOLE)
   TESTING AND ADJUSTING
      TABLE OF JUDGEMENT STANDARD VALUE
      STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
      TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
      ADJUSTING TRAVEL OF GOVERNOR MOTOR LEVER
      ADJUSTING ENGINE SPEED SENSOR
      TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING AND TRAVEL CIRCUIT
      TESTING AND ADJUSTING CHARGING PUMP PRESSURE
      TESTING AND ADJUSTING MAIN PUMP CONTROL PRESSURE
      TESTING AND ADJUSTING TRAVEL DEVIATION
      MEASURING STROKE OF SERVO PISTON
      MEASURING OUTPUT PRESSURE OF PPC VALVE
      ADJUSTING WORK EQUIPMENT AND SWING PPC VALVE
      TESTING PPC SHUTTLE VALVE
      MEASURING SOLENOID VALVE OUTLET PORT PRESSURE
      TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
      BLEEDING AIR
      RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
      TROUBLESHOOTING
   DISASSEMBLY AND ASSEMBLY
      METHOD OF USING MANUAL
      PRECAUTIONS WHEN CARRYING OUT OPERATION
      SPECIAL TOOL LIST PC300LC
      SPECIAL TOOL LIST PC400LC
      WEIGHT TABLE
      TIGHTENING TORQUES AND STANDARD VALUES TABLE
      LUBRICANT AND COOLANT TABLE
      REMOVAL OF GOVERNOR MOTOR ASSEMBLY
      REMOVAL OF HYDRAULIC COOLER ASSEMBLY
      INSTALLATION OF HYDRAULIC COOLER ASSEMBLY
      REMOVAL OF HYDRAULIC COOLER ASSEMBLY
      INSTALLATION OF HYDRAULIC COOLER ASSEMBLY
      REMOVAL OF RADIATOR, HYDRAULIC OIL COOLER
      INSTALLATION OF RADIATOR, HYDRAULIC OIL COOLER ASSEMBLY
      REMOVAL OF ENGINE, HYDRAULIC PUMP ASSEMBLY
      INSTALLATION OF ENGINE, HYDRAULIC PUMP ASSEMBLY
      REMOVAL OF ENGINE, HYDRAULIC PUMP ASSEMBLY
      INSTALLATION OF ENGINE, HYDRAULIC PUMP ASSEMBLY
      REMOVAL OF DAMPER ASSEMBLY
      INSTALLATION OF DAMPER ASSEMBLY
      REMOVAL OF CENTER SWIVEL JOINT ASSEMBLY
      INSTALLATION OF CENTER ASSEMBLY SWIVEL JOINT
      DISASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
      ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
      REMOVAL OF FINAL DRIVE DRIVE ASSEMBLY
      INSTALLATION OF FINAL DRIVE ASSEMBLY
      DISASSEMBLY OF FINAL DRIVE ASSEMBLY
      ASSEMBLY OF FINAL DRIVE ASSEMBLY
      DISASSEMBLY OF TRAVEL MOTOR ASSEMBLY (HMV280ADT) (HMV355ADT)
      ASSEMBLY OF TRAVEL MOTOR ASSEMBLY (HMV280ADT) (HMV355ADT)
      REMOVAL OF SPROCKET
      INSTALLATION OF SPROCKET
      REMOVAL OF SWING MOTOR ASSEMBLY
      INSTALLATION OF SWING MOTOR ASSEMBLY
      DISASSEMBLY OF SWING MOTOR ASSEMBLY (KMF160)
      ASSEMBLY OF SWING MOTOR ASSEMBLY (KMFI 60)
      REMOVAL OF SWING MACHINERY ASSEMBLY
      INSTALLATION OF SWING MACHINERY ASSEMBLY
      REMOVAL OF SWING MACHINERY ASSEMBLY
      INSTALLATION OF SWING MACHINERY ASSEMBLY
      DISASSEMBLY OF SWING MACHINERY ASSEMBLY
      ASSEMBLY OF SWING MACHINERY ASSEMBLY
      REMOVAL OF REVOLVING FRAME ASSEMBLY
      INSTALLATION OF REVOLVING FRAME ASSEMBLY
      REMOVAL OF SWING CIRCLE ASSEMBLY
      INSTALLATION OF SWING CIRCLE ASSEMBLY
      REMOVAL OF IDLER, RECOIL SPRING ASSEMBLY
      INSTALLATION OF IDLER, RECOIL SPRING ASSEMBLY
      DISASSEMBLY OF RECOIL SPRING ASSEMBLY
      ASSEMBLY OF RECOIL SPRING ASSEMBLY
      REMOVAL OF TRACK ROLLER ASSEMBLY
      INSTALLATION OF TRACK ROLLER ASSEMBLY
      REMOVAL OF CARRIER ROLLER ASSEMBLY
      INSTALLATION OF CARRIER ROLLER ASSEMBLY
      REMOVAL OF TRACK SHOE ASSEMBLY
      INSTALLATION OF TRACK SHOE ASSEMBLY
      REMOVAL OF CHARGING PUMP ASSEMBLY
      INSTALLATION OF CHARGING PUMP ASSEMBLY
      REMOVAL OF HYDRAULIC PUMP ASSEMBLY
      INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
      REMOVAL OF HYDRAULIC PUMP ASSEMBLY
      DISASSEMBLY OF HYDRAULIC PUMP ASSEMBLY (HPV160+160)
      ASSEMBLY OF HYDRAULIC PUMP ASSEMBLY (HPV160+160)
      CHECKING CONTACT BETWEEN CYLINDER BLOCKAND VALVE PLATE, AND ROCKER CAM AND CRADLE
      REMOVAL OF HYDRAULIC PUMP INPUT SHAFT OIL SEAL
      INSTALLATION OF HYDRAULIC PUMP INPUT SHAFT OIL SEAL
      REMOVAL OF CONTROL VALVE ASSEMBLY
      INSTALLATION OF CONTROL VALVE ASSEMBLY
      DISASSEMBLY OF CONTROL VALVE ASSEMBLY
      ASSEMBLY OF CONTROL VALVE ASSEMBLY
      REMOVAL OF MAIN RELIEF VALVE ASSEMBLY
      INSTALLATION OF MAIN RELIEF VALVE ASSEMBLY
      DISASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY
      ASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY
      REMOVAL OF TVC VALVE ASSEMBLY
      INSTALLATION OF TVC VALVE ASSEMBLY
      REMOVAL OF CO•NC VALVE ASSEMBLY
      INSTALLATION OF CO•NC VALVE ASSEMBLY
      REMOVAL OF SERVO VALVE ASSEMBLY
      INSTALLATION OF SERVO VALVE ASSEMBLY
      REMOVAL OF WORK EQUIPMENT PPC VALVE ASSEMBLY
      INSTALLATION OF WORK EQUIPMENT PPC VALVE ASSEMBLY
      DISASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
      ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
      REMOVAL OF TRAVEL PPC VALVE ASSEMBLY
      INSTALLATION OF TRAVEL PPC VALVE ASSEMBLY
      DISASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
      ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
      REMOVAL OF BOOM HOLDING VALVE ASSEMBLY
      INSTALLATION OF BOOM HOLDING VALVE ASSEMBLY
      DISASSEMBLY OF BOOM HOLDING VALVE ASSEMBLY
      ASSEMBLY OF BOOM HOLDING VALVE ASSEMBLY
      REMOVAL OF PPC SHUTTLE VALVE ASSEMBLY
      INSTALLATION OF PPC SHUTTLE VALVE ASSEMBLY
      REMOVAL OF BOOM CYLINDER ASSEMBLY
      INSTALLATION OF BOOM CYLINDER ASSEMBLY
      REMOVAL OF ARM CYLINDER ASSEMBLY
      INSTALLATION OF ARM CYLINDER ASSEMBLY
      REMOVAL OF BUCKET CYLINDER ASSEMBLY
      INSTALLATION OF BUCKET CYLINDER ASSEMBLY
      DISASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
      ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
      REMOVAL OF WORK EQUIPMENT ASSEMBLY
      INSTALLATION OF WORK EQUIPMENT ASSEMBLY
      REMOVAL OF BUCKET ASSEMBLY
      INSTALLATION OF BUCKET ASSEMBLY
      REMOVAL OF ARM ASSEMBLY
      INSTALLATION OF ARM ASSEMBLY
      REMOVAL OF ARM, BUCKET ASSEMBLY
      INSTALLATION OF ARM, BUCKET ASSEMBLY
      REMOVAL OF BOOM ASSEMBLY
      INSTALLATION OF BOOM ASSEMBLY
      REMOVAL OF OPERATOR’S CAB ASSEMBLY
      INSTALLATION OF OPERATOR’S CAB ASSEMBLY