Komatsu PC300HD-6 and PC300LC-6 (SN: A80001-83000) Crawler Excavators (USA) Workshop Manual (CEBD3006C2)

Illustrated factory Workshop Manual for Komatsu Crawler Excavators Models PC300HD-6 and PC300LC-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 (USA):
   PC300HD-6 (SN: A80001-83000)
   PC300LC-6 (SN: A80001-83000)

Format: PDF, 763 pages
Language: English
Table of Contents:
   SAFETY/FOREWARD
   GENERAL
      SPECIFICATION DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      FUEL, COOLANT AND LUBRICANTS
      ENGINE OIL SPECIFICATIONS
      DIESEL FUEL SPECIFICATIONS
      COOLANT SPECIFICATIONS
   STRUCTURE AND FUNCTION
      ENGINE RELATED PARTS
      RADIATOR OIL COOLER
      POWER TRAIN
      FINAL DRIVE PC300LC-6
      FINAL DRIVE PC300HD-6
      SWING CIRCLE
      SWING MACHINERY
      TRACK FRAME RECOIL SPRING
      TRACK SHOE
      HYDRAULIC PIPING DRAWING
      HYDRAULIC CIRCUIT DIAGRAM
      HYDRAULIC TANK
      HYDRAULIC PUMP
      CONTROL PUMP
      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
      FOR LS SELECT, BOOM HI 2-STAGE SAFETY VALVE, MERGE/FLOW DIVIDER, TRAVEL SPEED, SWING BRAKE
      FOR LS VALVE CONTROL
      BOOM HOLDING VALVE
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      ELECTRICAL WIRING DIAGRAM
      ELECTRICAL CIRCUIT DIAGRAM
      ENGINE CONTROL
      ELECTRONIC CONTROL SYSTEM
      MACHINE MONITOR SYSTEM
   TESTING AND ADJUSTMENT
      STANDARD VALUE TABLE FOR ENGINE
      STANDARD VALUE TABLE FOR CHASSIS PARTS
      STANDARD VALUE TABLE FOR ELECTRICAL PARTS
      TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
      MEASURING ENGINE SPEED
      MEASURING INTAKE MANIFOLD PRESSURE
      MEASURING INTAKE AIR RESTRICTION
      MEASURING LUBRICATING OIL PRESSURE
      MEASURING FUEL (FILTER) INLET RESTRICTION
      MEASURING BLOWBY PRESSURE
      MEASURING ENGINE BACK PRESSURE
      MEASURING EXHAUST COLOR
      MEASURING COOLANT TEMPERATURE
      MEASURING VALVE CLEARANCE
      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
      ALTERNATOR
      ENGINE OIL COOLER
      FUEL INJECTION PUMP
      WATER PUMP
      NOZZLE HOLDER
      TURBOCHARGER
      THERMOSTAT
      ENGINE FRONT SEAL
      CYLINDER HEAD
      GOVERNOR MOTOR
      HYDRAULIC COOLER
      RADIATOR, HYDRAULIC COOLER
      ENGINE, MAIN PUMP
      DAMPER
      FUEL TANK
      CENTER SWIVEL JOINT
      FINAL DRIVE - PC3OOLC
      FINAL DRIVE - PC300HD
      TRAVEL MOTOR - PC3OOLC
      TRAVEL MOTOR - PC300HD
      SPROCKET
      SWING MOTOR
      SWING MACHINERY
      REVOLVING FRAME
      SWING CIRCLE
      IDLER, RECOIL SPRING
      IDLER - PC3OOLC
      IDLER - PC300HD
      RECOIL SPRING
      TRACK ROLLER
      CARRIER ROLLER
      TRACK SHOE
      HYDRAULIC TANK
      CONTROL PUMP
      MAIN PUMP
      MAIN PUMP INPUT SHAFT OIL SEAL
      CONTROL VALVE
      PUMP MERGE/DIVIDER VALVE
      PRESSURE COMPENSATION VALVE
      SERVO VALVE FOR FRONT PUMP
      SERVO VALVE FOR REAR PUMP
      LS-EPC SOLENOID VALVE
      SOLENOID VALVE
      WORK EQUIPMENT PPC VALVE
      WORK EQUIPMENT PPC VALVE
      TRAVEL PPC VALVE
      BOOM LOCK VALVE
      BOOM CYLINDER
      ARM CYLINDER
      BUCKET CYLINDER
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      BUCKET
      ARM
      BUCKET, ARM
      BOOM
      OPERATORS CAB
      COUNTERWEIGHT
      AIR CONDITIONER COMPRESSOR
      CONDENSER
      AIR CONDITIONER UNIT
      GOVERNOR, PUMP CONTROLLER
      MONITOR PANEL
      CONTROL STAND CASE
   MAINTENANCE STANDARD
      ENGINE MOUNT
      SWING MACHINERY
      SWING CIRCLE
      FINAL DRIVE (PC300LC-6)
      FINAL DRIVE (PC300HD-6)
      TRACK FRAME - RECOIL SPRING (PC300LC-6)
      TRACK FRAME - RECOIL SPRING (PC300HD-6)
      IDLER (PC300LC-6)
      IDLER (PC300HD-6)
      CARRIER ROLLER
      TRACK ROLLER
      TRACK CHAIN ASSM. (PC300LC-6)
      TRACK CHAIN ASSM. (PC300HD-6)
      HYDRAULIC PUMP
      CONTROL PUMP AND RELIEF VALVE
      CONTROL VALVE (10-SPOOL)
      SUCTION-SAFETY VALVE
      SWING MOTOR
      TRAVEL MOTOR (PC300LC-6)
      TRAVEL MOTOR (PC300HD-6)
      WORK EQUIPMENT - SWING PPC VALVE
      TRAVEL PPC VALVE
      SERVICE PPC VALVE
      PPC SHUTTLE VALVE - TRAVEL JUNCTION VALVE
      EPC - SOLENOID VALVE
      CENTER SWIVEL JOINT
      BOOM HOLDING VALVE
      HYDRAULIC CYLINDER
      WORK EQUIPMENT