Komatsu PC400LC-6LM, PC400HD-6LM Hydraulic Excavator Shop Manual CEBM005302
$40.00
- Type Of Manual: Shop Manual
- Manual ID: CEBM005302
- Format: PDF
- Size: 19.8MB
- Number of Pages: 868
Category: Komatsu Shop Manual PDF
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Model List:
- PC400LC-6LM Hydraulic Excavator
- PC400HD-6LM Hydraulic Excavator
- 1. FOREWORD
- 1.1. GENERAL
- 1.2. HOW TO READ THE SHOP MANUAL
- 1.3. HOISTING INSTRUCTIONS
- 1.4. COATING MATERIALS
- 1.5. STANDARD TIGHTENING TORQUE
- 1.6. ELECTRIC WIRE CODE
- 1.7. CONVERSION TABLES
- 2. GENERAL
- 2.1. SPECIFICATION DRAWINGS
- 2.2. WORK EQUIPMENT
- 2.3. SPECIFICATIONS
- 2.4. WEIGHT TABLE
- 2.5. FUEL COOLANT AND LUBRICANTS
- 3. STRUCTURE AND FUNCTION
- 3.1. PARTS RELATED TO ENGINE
- 3.2. RADIATOR, OIL COOLER
- 3.3. POWER TRAIN
- 3.4. FINAL DRIVE
- 3.5. SWING CIRCLE
- 3.6. SWING MACHINERY
- 3.7. TRACK FRAME, RECOIL SPRING
- 3.8. TRACK FRAME, RECOIL SPRING
- 3.9. TRACK FRAME, RECOIL SPRING
- 3.10. TRACK SHOE
- 3.11. HYDRAULIC PIPING DRAWING
- 3.12. HYDRAULIC CIRCUIT DIAGRAM
- 3.13. HYDRAULIC TANK, HYDRAULIC FILTER
- 3.14. HYDRAULIC PUMP
- 3.15. CONTROL VALVE
- 3.16. SELF REDUCING PRESSURE VALVE
- 3.17. SUCTION SAFETY VALVE
- 3.18. CLSS
- 3.19. SWING MOTOR
- 3.20. TRAVEL MOTOR
- 3.21. VALVE CONTROL
- 3.22. WORK EQUIPMENT PPC VALVE
- 3.23. TRAVEL PPC VALVE
- 3.24. SERVICE PPC VALVE
- 3.25. PPC SAFETY LOCK VALVE
- 3.26. PPC ACCUMULATOR
- 3.27. PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
- 3.28. LSEPC VALVE
- 3.29. SOLENOID VALVE
- 3.30. BOOM HOLDING VALVE
- 3.31. WORK EQUIPMENT
- 3.32. AIR CONDITIONER
- 3.33. ACTUAL ELECTRICAL WIRING DIAGRAM
- 3.34. ENGINE CONTROL
- 3.35. ELECTRONIC CONTROL SYSTEM
- 3.36. MACHINE MONITOR SYSTEM
- 4. TESTING, ADJUSTING AND TROUBLESHOOTING
- 4.1. STANDARD VALUE TABLE
- 4.2. SERVICE TOOLS TABLE
- 4.3. MEASURING ENGINE SPEED
- 4.4. MEASURING EXHAUST COLOR
- 4.5. VALVE CLEARANCE
- 4.6. COMPRESSION PRESSURE
- 4.7. BLOW BY PRESSURE
- 4.8. FUEL INJECTION TIMING
- 4.9. ENGINE OIL PRESSURE
- 4.10. FAN BELT TENSION
- 4.11. A/C COMPRESSOR BELT
- 4.12. ENGINE SPEED SENSOR
- 4.13. BOOST PRESSURE
- 4.14. GOVERNOR MOTOR LEVER STROKE
- 4.15. WORK, SWING, AND TRAVEL CIRCUIT
- 4.16. TVC VALVE OUTPUT PRESSURE
- 4.17. LS VALVE OUTPUT AND DIFFERENTIAL PRESSURE
- 4.18. CONTROL CIRCUIT OIL PRESSURE
- 4.19. SOLENOID VALVE OUTPUT PRESSURE
- 4.20. PPC VALVE OUTPUT PRESSURE AND SHUTTLE VALVE
- 4.21. WORK EQUIPMENT, SWING PPC VALVE
- 4.22. TRAVEL DEVIATION
- 4.23. LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
- 4.24. MEASURING OIL LEAKAGE
- 4.25. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
- 4.26. TESTING CLEARANCE OF SWING CIRCLE BEARING
- 4.27. WEAR OF SPROCKET
- 4.28. TRACK SHOE TENSION
- 4.29. TROUBLESHOOTING GENERAL
- 4.30. TROUBLESHOOTING
- 4.31. TROUBLSHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (NMODE)
- 4.32. TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER, GOVERNOR CONTROL SYSTEM (EMODE)
- 4.33. TROUBLESHOOTING OF ENGINE SYSTEM (SMODE)
- 4.34. TROUBLESHOOTING OF GOVERNOR PUMP CONTROLLER, PUMP CONTROL SYSTEM (CMODE)
- 4.35. TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER, INPUT SIGNAL SYSTEM (FMODE)
- 4.36. TROUBLESHOOTING OF MACHINE MECHANICAL MODE (HMODE)
- 4.37. TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (MMODE)
- 5. DISASSEMBLY AND ASSEMBLY
- 5.1. METHOD OF USING MANUAL
- 5.2. SPECIAL TOOL LIST
- 5.3. SKETCHES OF SPECIAL TOOLS
- 5.4. ENGINE OIL COOLER
- 5.5. FUEL INJECTION PUMP
- 5.6. FRONT ENGINE SEAL
- 5.7. REAR ENGINE SEAL
- 5.8. AFTERCOOLER CORE
- 5.9. OIL COOLER
- 5.10. RADIATOR, OIL COOLER
- 5.11. ENGINE, MAIN PUMP
- 5.12. CENTER SWIVEL JOINT
- 5.13. SWING MACHINERY
- 5.14. REVOLVING FRAME
- 5.15. SWING CIRCLE
- 5.16. IDLER AND RECOIL SPRING
- 5.17. MAIN PUMP OIL SEAL
- 5.18. PUMP MERGE DIVIDER VALVE
- 5.19. PRESSURE COMPENSATION VALVE
- 5.20. FRONT PUMP SERVO VALVE
- 5.21. REAR PUMP SERVO VALVE
- 5.22. LSEPC SOLENOID VALVE
- 5.23. SOLENOID VALVE
- 5.24. WORK EQUIPMENT PPC VALVE
- 5.25. TRAVEL PPC VALVE
- 5.26. PPC SHUTTLE VALVE
- 5.27. BOOM LOCK VALVE
- 5.28. BUCKET CYLINDER
- 5.29. HYDRAULIC CYLINDER
- 5.30. THREADED STYLE PISTON
- 5.31. AIR CONDITIONER UNIT
- 5.32. GOVERNOR, PUMP CONTROLLER
- 5.33. MONITOR PANEL
- 5.34. CONTROL STAND CASE
- 6. MAINTENANCE STANDARD
- 6.1. ENGINE MOUNT
- 6.2. RADIATOR AND OIL COOLER MOUNT
- 6.3. SWING MACHINERY
- 6.4. SWING CIRCLE
- 6.5. FINAL DRIVE
- 6.6. TRACK FRAME AND RECOIL SPRING
- 6.7. SELF REDUCING PRESSURE VALVE
- 6.8. SUCTION SAFETY VALVE
- 6.9. SWING MOTOR
- 6.10. TRAVEL MOTOR
- 6.11. WORK EQUIPMENT SWING PPC VALVE
- 6.12. TRAVEL PPC VALVE
- 6.13. SERVICE PPC VALVE
- 6.14. PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
- 6.15. LSEPC VALVE
- 6.16. SOLENOID VALVE
- 6.17. CENTER SWIVEL JOINT
- 6.18. BOOM HOLDING VALVE
- 6.19. HYDRAULIC CYLINDER
- 6.20. WORK EQUIPMENT
- 6.21. DIMENSIONS OF WORK EQUIPMENT
- 7. OTHERS
- 7.1. Foldout 20203 Connector types and mounting location
- 7.2. Foldout 20229 Details of troubleshooting and troubleshooting procedures
- 7.3. Foldout 20353 Actions taken by controller when abnormality occurs and problems on machine
- 7.4. Foldout 20354 Action taken by controller when abnormality occurs and problems on machine
- 7.5. Foldout 20355 Judgement table for governor pump controller and engine related parts
- 7.6. Foldout 20356 Electrical circuit diagram for E mode
- 7.7. Foldout 20365 E8 Engine does not start
- 7.8. Foldout 20366 E9a Engine speed is irregular
- 7.9. Foldout 20367 E9b There is hunting
- 7.10. Foldout 20368 E10 Lack of output, engine high idle speed is low
- 7.11. Foldout 20369 E11 Engine does not stop
- 7.12. Foldout 20453 Actions taken by controller when abnormality occurs and problems on machine
- 7.13. Foldout 20454 Actions taken by controller when abnormality occurs and problemss
- 7.14. Foldout 20455 Actions taken by controller when abnormality occurs and problems on machine
- 7.15. Foldout 20456 Actions taken by controller when abnromality occurs and problems on machine
- 7.16. Foldout 20457 Judgement table for governor, pump controller (pump control system) and hydraulic related parts
- 7.17. Foldout 20458 Electric circuit diagram for C mode
- 7.18. Foldout 20461 C2 E232 Short circuit in front pump TVC solenoid is displayed
- 7.19. Foldout 20462 C3 E233 Disconnection in front pump TVC solenoid system is displayed
- 7.20. Foldout 20463 C4 E236 Short circuit in rear pump TVC solenoid system is displayed
- 7.21. Foldout 20464 C5 E237 Disconnection in rar pump TVC solenid system is displayed
- 7.22. Foldout 20467 C7 E208 Disconnection in active mode, boom, solenoid system is displayed
- 7.23. Foldout 20468 C8 E203 Short circuit in swing brake solenoid system is displayed
- 7.24. Foldout 20469 C9 E213 Disconnection in swing brake solenoid system is displayed
- 7.25. Foldout 20471 C11 E214 Disconnection in pump merge divider solenoid system is displayed
- 7.26. Foldout 20473 C13 E216 Disconnection in travel speed selector solenoid system is displayed
- 7.27. Foldout 20475 C15 E235 Disconnection in active mode, swlin solenoid system is displayed
- 7.28. Foldout 20503 Electric circuit diagram for F mode
- 7.29. Foldout 20553 Table of failure modes and causes (1/2)
- 7.30. Foldout 20554 Table of fialure modes and causes (2/2)
- 7.31. Foldout 20555 H1 Speed of all work equipment, swing, travel are slow or lack power
- 7.32. Foldout 20557 H4 Abnormal noise generated around pump
- 7.33. Foldout 20557 H5 Auto decel does not work when PPC shuttle valve is cause
- 7.34. Foldout 20557 H6 Fine control ability is poor or response is poor
- 7.35. Foldout 20558 H7 Boom is slow or lacks power
- 7.36. Foldout 20559 H8 Arm is slow or lacks power
- 7.37. Foldout 20560 H9 Bucket is slow or lacks power
- 7.38. Foldout 20567 H21 Travel speed is slow
- 7.39. Foldout 20568 H22 Steering does not turn easily or lacks power
- 7.40. Foldout 20571 H26 Travel speed is slow
- 7.41. Foldout 20603 Actions taken by controller when abnormality occurs and problems on machine
- 7.42. Foldout 20604 Electric circuit diagram for M mode
- 7.43. Foldout 20637 M30 Wiper does not work or switch is not being used, but wiper is actuated include E112, E113
- 7.44. Foldout 20638 M30 (continued)
- 7.45. Foldout 20641 M31 Wiper does not work or switch is not being used, but washer motor is actuated (include E114)
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