Komatsu PC400LC-6, PC400HD-6 Hydraulic Excavator Shop Manual CEBM4006C3

Description

• Model List:
  • PC400LC-6 Hydraulic Excavator
  • PC400HD-6 Hydraulic Excavator

• 1. MAIN MENU
• 2. CONTENTS
• 3. GENERAL
• 3.1. SPECIFICATION DRAWINGS
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. FUEL, COOLANT AND LUBRICANTS
• 3.5. ENGINE OIL SPECIFICATIONS
• 3.6. DIESEL FUEL SPECIFICATIONS
• 3.7. COOLANT SPECIFICATIONS
• 4. STRUCTURE AND FUNCTION
• 4.1. PARTS RELATED TO ENGINE
• 4.2. RADIATOR, OIL COOLER
• 4.3. POWER TRAIN
• 4.4. FINAL DRIVE
• 4.5. SWING CIRCLE
• 4.6. SWING MACHINERY
• 4.7. TRACK FRAME, RECOIL SPRING PC400LCC6
• 4.8. TRACK FRAME, RECOIL SPRING FOLDOUT PC400HD6
• 4.9. TRACK SHOE
• 4.10. HYDRAULIC PIPING DRAWING
• 4.11. HYDRAULIC CIRCUIT DRAWING
• 4.12. HYDRAULIC TANK, HYDRAULIC FILTER
• 4.13. HYDRAULIC PUMP
• 4.14. CONTROL VALVE
• 4.15. SUCTION SAFETY VALVE
• 4.16. CLSS
• 4.17. SWING MOTOR
• 4.18. CENTER SWIVEL JOINT
• 4.19. TRAVEL MOTOR
• 4.20. VALVE CONTROL
• 4.21. WORK EQUIPMENT, SWING PPC VALVE
• 4.22. TRAVEL PPC VALVE
• 4.23. SERVICE PPC VALVE
• 4.24. PPC SAFETY LOCK VALVE
• 4.25. PCC ACCUMULATOR
• 4.26. PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
• 4.27. EPC SOLENOID VALVE
• 4.28. BOOM HOLDING VALVE
• 4.29. HYDRAULIC CYLINDER
• 4.30. WORK EQUIPMENT
• 4.31. ACTUAL ELECTRIC WIRING DIAGRAM
• 4.32. ELECTICAL CIRCUIT DIAGRAM
• 4.33. ENGINE CONTROL
• 4.34. ELECTRICAL CONTROL SYSTEM
• 4.35. MACHINE MONITOR SYSTEM
• 5. TESTING AND ADJUSTMENT
• 5.1. STANDARD VALUE TABLE FOR ENGINE
• 5.2. STANDARD VALUE TABLE FOR CHASSIS PARTS
• 5.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
• 5.4. TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
• 5.5. MEASURING ENGINE SPEED
• 5.6. MEASURING INTAKE MANIFOLD PRESSURE
• 5.7. MEASURING INTAKE AIR RESTRICTION
• 5.8. MEASURING LUBRICATING OIL PRESSURE
• 5.9. MEASURING FUEL (FILTER) INLET RESTRICTION
• 5.10. MEASURING BLOWBY PRESSURE
• 5.11. MEASURING ENGINE BACK PRESSURE
• 5.12. MEASURING EXHAUST COLOR
• 5.13. MEASURING COOLANT TEMPERATURE
• 5.14. MEASURING VALVE CLEARANCE
• 5.15. BELT TENSION
• 5.16. GOVERNOR MOTOR LEVER STROKE
• 5.17. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
• 5.18. TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)
• 5.19. TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTAIL PRESSURE
• 5.20. TESTING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE
• 5.21. TESTING SOLENOID VALVE OUTPUT PRESSURE
• 5.22. MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE
• 5.23. ADJUSTING WORK EQUIPMENT, SWING PPC VALVE
• 5.24. TESTING TRAVEL DEVIATION
• 5.25. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
• 5.26. MEASURING OIL LEAKAGE
• 5.27. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 5.28. TESTING CLEARANCE OF SWING CIRCLE BEARING
• 5.29. TESTING AND ADJUSTING TRACK SHOE TENSION
• 5.30. BLEEDING AIR
• 5.31. TROUBLESHOOTING
• 5.31.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 5.31.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 5.31.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
• 5.31.4. CHECKS BEFORE TROUBLESHOOTING
• 5.31.5. CONNECTOR TYPES AND MOUNTING LOCATIONS
• 5.31.6. CONNECTOR ARRANGEMENT DIAGRAM
• 5.31.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 5.31.8. EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM
• 5.31.9. DISPLAY METHOD AND SPECIAL FUNCTION OF MONITORING PANEL
• 5.31.10. METHOD OF USING JUDGEMENT TABLE
• 5.31.11. METHOD OF USING TROUBLESHOOTING CHARTS
• 5.31.12. DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE
• 5.31.13. SERVICE CODE TABLE
• 5.31.14. TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N MODE)
• 5.31.15. TROUBLESHOOTING OF GOVERNOR PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM) (E MODE)
• 5.31.16. TROUBLESHOOTING OF ENGINE SYSTEM
• 5.31.17. TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (PUMP CONTROL SYSTEM (C MODE)
• 5.31.18. TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)
• 5.31.19. TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)
• 5.31.20. TROUBLESHOOTING OF HYDRAULIC, MONITOR SYSTEM (M MODE)
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. SKETCHES OF SPECIAL TOOLS
• 6.5. STARTING MOTOR
• 6.6. ALTERNATOR
• 6.7. ENGINE OIL COOLER
• 6.8. FUEL INJECTION PUMP
• 6.9. WATER PUMP
• 6.10. NOZZLE HOLDER
• 6.11. TURBOCHARGER
• 6.12. THERMOSTAT
• 6.13. ENGINE FRONT SEAL
• 6.14. ENGINE REAR SEAL
• 6.15. HYDRAULIC COOLER
• 6.15.1. REMOVAL
• 6.15.2. INSTALLATION
• 6.16. RADIATOR, HYDRAULIC COOLER
• 6.16.1. REMOVAL
• 6.16.2. INSTALLATION
• 6.17. ENGINE, MAIN PUMP
• 6.18. CENTER SWIVEL JOINT
• 6.19. SWING MACHINERY
• 6.19.1. REMOVAL
• 6.19.2. INSTALLATION
• 6.19.3. DISASSEMBLY
• 6.19.4. ASSEMBLY
• 6.20. REVOLVING FRAME
• 6.21. IDLER, RECOIL SPRING
• 6.21.1. CHECKING CONTACT
• 6.22. MAIN PUMP INPUT SHAFT OIL SEAL
• 6.23. PUMP MERGE/DIVIDER VALVE
• 6.23.1. DISASSEMBLY
• 6.23.2. ASSEMBLY
• 6.24. PRESSURE COMPENSATION VALVE
• 6.24.1. DISASSEMBLY
• 6.24.2. ASSEMBLY
• 6.25. SERVO VALVE FOR FRONT PUMP
• 6.25.1. REMOVAL
• 6.25.2. INSTALLATION
• 6.26. SERVO VALVE FOR REAR PUMP
• 6.26.1. REMOVAL
• 6.26.2. INSTALLATION
• 6.27. LSEPC SOLENOID VALVE
• 6.28. WORK EQUIPMENT PPC VALVE
• 6.28.1. REMOVAL
• 6.28.2. INSTALLATION
• 6.28.3. DISASSEMBLY
• 6.28.4. ASSEMBLY
• 6.29. TRAVEL PPC VALVE
• 6.29.1. REMOVAL
• 6.29.2. INSTALLATION
• 6.29.3. DISASSEMBLY
• 6.29.4. ASSEMBLY
• 6.30. PPC SHUTTLE VALVE
• 6.30.1. REMOVAL
• 6.30.2. INSTALLATION
• 6.30.3. DISASSEMBLY
• 6.30.4. ASSEMBLY
• 6.31. BOOM LOCK VALVE
• 6.32. BUCKET CYLINDER
• 6.32.1. REMOVAL
• 6.32.2. INSTALLATION
• 6.33. HYDRAULIC CYLINDER
• 6.34. COUNTERWEIGHT WITH COUNTERWEIGHT REMOVER
• 6.34.1. REMOVAL
• 6.34.2. INSTALLATION
• 6.35. AIR CONDITIONER COMPRESSOR
• 6.36. AIR CONDITIONER
• 6.36.1. REMOVAL
• 6.36.2. INSTALLATION
• 6.37. GOVERNOR, PUMP CONTROLLER
• 6.38. CONTROL STAND CASE
• 6.38.1. REMOVAL
• 6.38.2. INSTALLATION
• 7. MAINTENANCE STANDARD
• 7.1. ENGINE MOUNT
• 7.2. RADIATOR AND OIL COOLER
• 7.3. SWING MACHINERY
• 7.4. FINAL DRIVE
• 7.5. SWING CIRCLE
• 7.6. TRACK FRAME AND RECOIL SPRING PC400LC6
• 7.7. TRACK FRAME AND RECOIL SPRING PC400HD6
• 7.8. CONTROL PUMP AND RELIEF VALVE
• 7.9. CONTROL VALVE
• 7.10. SUCTION SAFETY VALVE
• 7.11. SWING MOTOR
• 7.12. TRAVEL MOTOR
• 7.13. WORK EQUIPMENT, SWING PPC VALVE
• 7.14. TRAVEL PPC VALVE
• 7.15. SERVICE PPC VALVE
• 7.16. PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
• 7.17. EPC SOLENOID VALVE
• 7.18. CENTER SWIVEL JOINT
• 7.19. BOOM HOLDING VALVE
• 7.20. HYDRAULIC CYLINDER
• 7.21. WORK EQUIPMENT
• 7.22. DIMENSIONS OF WORK EQUIPMENT