Komatsu PC340LC-7K, PC340NLC-7K Hydraulic Excavator Shop Manual UEBM001501

Description

• Model List:
  • PC340LC-7K Hydraulic Excavator
  • PC340NLC-7K Hydraulic Excavator

• 1. PC340LC7
• 2. PC340NLC7
• 3. AND UP
• 4. AND UP
• 5. PC340_07_section01.pdf
• 5.1. SPECIFICATION DIMENSION DRAWINGS
• 5.1.1. PC340LC7, PC340NLC7
• 5.2. WEIGHT TABLE
• 5.2.1. PC340LC7, PC340NLC7
• 5.3. FUEL, COOLANT, AND LUBRICANTS
• 6. PC340_7_Section10.pdf
• 6.1. ENGINE RELATED PARTS
• 6.2. RADIATOR OIL COOLER AFTERCOOLER
• 6.3. POWER TRAIN
• 6.4. FINAL DRIVE
• 6.5. SWING MACHINERY
• 6.6. SWING CIRCLE
• 6.7. TRACK FRAME RECOIL SPRING
• 6.8. IDLER
• 6.9. CARRIER ROLLER
• 6.10. TRACK ROLLER
• 6.11. TRACK SHOE
• 6.11.1. TRIPLE GROUSER SHOE
• 6.12. hydraulic equipment layout drawing
• 6.12.1. LS(pc)EPC VALVE
• 6.13. variable volume valve
• 6.14. CONTROL VALVE
• 6.14.1. MAIN RELIEF VALVE
• 6.14.2. Variable pressure compensation valve
• 6.15. CLSS
• 6.15.1. OUTLINE OF CLSS
• 6.16. SELF PRESSURE REDUCING VALVE
• 6.17. SWING MOTOR
• 6.18. REVERSE PREVENTION VALVE
• 6.19. CENTER SWIVEL JOINT
• 6.20. TRAVEL MOTOR
• 6.21. TRAVEL JUNCTION VALVE
• 6.22. TRAVEL PPC SHUTTLE VALVE
• 6.23. VALVE CONTROL
• 6.24. WORK EQUIPMENT SWING PPC VALVE
• 6.25. TRAVEL PPC VALVE
• 6.26. SERVICE PPC VALVE
• 6.27. SOLENOID VALVE
• 6.28. PPC ACCUMULATOR
• 6.29. return oil filter
• 6.29.1. For Breaker
• 6.30. BOOM HYDRAULIC DRIFT PREVENTION VALVE
• 6.31. quick return valve
• 6.32. LIFT CHECK VALVE
• 6.33. attachment circuit selector valve
• 6.34. HYDRAULIC CYLINDER
• 6.34.1. BOOM CYLINDER
• 6.34.2. ARM CYLINDER
• 6.34.3. BUCKET CYLINDER
• 6.35. work equipment
• 6.35.1. Dimension of bucket
• 6.36. air conditioner
• 6.36.1. air conditioner piping
• 6.37. ENGINE CONTROL
• 6.37.1. Governor motor
• 6.37.2. Engine throttle and pump controller
• 6.38. ELECTRONIC CONTROL SYSTEM
• 6.38.1. Total system diagram
• 6.39. mULTI MONITOR SYSTEM
• 6.40. SENSOR
• 7.1. The standard value for a new machine given in the table is the value used when shipping the ma…
• 7.2. The service limit value given in the tables is the estimated value for the shipped machine bas…
• 7.3. These standard values are not the standards used in dealing with claims.
• 7.4. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 7.5. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
• 8. _101.pdf
• 8.1. INSPECTION AND ADJUSTMENT OF ENGINE RPM
• 8.2. MEASUREMENT OF AIR BOOST PRESSURE
• 8.3. MEASUREMENT OF EXHAUST GAS COLOR
• 8.4. ADJUSTMENT OF VALVE CLEARANCE
• 8.5. MEASUREMENT OF COMPRESSION PRESSURE
• 8.6. MEASUREMENT OF BLOWBY PRESSURE
• 8.7. INSPECTION AND ADJUSTMENT OF FUEL INJECTION TIMING
• 8.8. MEASUREMENT OF ENGINE OIL PRESSURE
• 8.9. ADJUSTMENT OF ENGINE SPEED SENSOR
• 8.10. INSPECTION AND ADJUSTMENT OF AIR COMPRESSOR BELT TENSION
• 8.11. EMERGENT ESCAPE FROM FAILURE IN ENGINE CONTROL SYSTEM
• 8.12. MEASUREMENT OF CLEARANCE IN SWING CIRCLE BEARINGS
• 8.13. INSPECTION AND ADJUSTMENT OF TRACK SHOE TENSION
• 8.14. INSPECTION OF WEAR ON SPROCKET
• 8.15. INSPECTION AND ADJUSTMENT OF HYDRAULIC OIL PRESSURE IN HYDRAULIC CIRCUIT FOR WORK EQUIPMENT, SWIN…
• 8.16. INSPECTION AND ADJUSTMENT OF CONTROL CIRCUIT OIL PRESSURE
• 8.17. INSPECTION AND ADJUSTMENT OF PUMP PC CONTROL CIRCUIT OIL PRESSURE
• 8.18. INSPECTION AND ADJUSTMENT OF PUMP LS CONTROL CIRCUIT OIL PRESSURE
• 8.19. MEASUREMENT OF SOLENOID VALVE OUTPUT PRESSURE
• 8.20. MEASUREMENT OF PPC VALVE OUTPUT PRESSURE
• 8.21. ADJUSTMENT OF WORK EQUIPMENT AND SWING PPC VALVE
• 8.22. INSPECTION OF LOCATIONS OF HYDRAULIC DRIFT OF WORK EQUIPMENT
• 8.23. RELEASE OF REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 8.24. MEASUREMENT OF OIL LEAKAGE AMOUNT
• 8.25. AIR BLEEDING OF VARIOUS PARTS
• 8.26. INSPECTION PROCEDURES FOR DIODE
• 8.27. SPECIAL FUNCTION OF MULTIMONITOR PANEL
• 8.28. DISPLAY METHOD AND SPECIAL FUNCTIONS OF 7SEGMENT MONITOR PANEL
• 8.29. PREPARATIONS FOR TROUBLESHOOTING ELECTRICAL SYSTEM
• 9. _201.pdf
• 9.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 9.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 9.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
• 9.4. CHECKS BEFORE TROUBLESHOOTING
• 9.5. CLASSIFICATION AND STEPS FOR TROUBLESHOOTING
• 9.6. CONNECTOR LOCATION CHART AND ELECTRICAL CIRCUIT DIAGRAM BY SYSTEM
• 9.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 10. _301.pdf
• 10.1. INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
• 11. _501.pdf
• 11.1. INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
• 12.1. HOW TO READ THIS MANUAL
• 12.1.1. REMOVAL AND INSTALLATION OF ASSEMBLIES
• 12.1.2. DisassemblY and assemblY OF assemblIES
• 12.2. PRECAUTIONS WHEN PERFORMING OPERATION
• 12.3. REMOVAL AND INSTALLATION OF STARTING MOTOR ASSEMBLY
• 12.3.1. REMOVAL
• 12.3.2. INSTALLATION
• 12.4. REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
• 12.5. REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
• 12.6. REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
• 12.7. REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
• 12.8. REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
• 12.9. REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
• 12.10. REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLIES
• 12.11. REMOVAL AND INSTALLATION OF FINAL DRIVE ASSEMBLY
• 12.12. DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE ASSEMBLY
• 12.12.1. SKETCHES OF SPECIAL TOOLS
• 12.13. REMOVAL AND INSTALLATION OF SWING MOTOR, SWING MACHINERY ASSEMBLY
• 12.14. DISASSEMBLY AND ASSEMBLY OF SWING MOTOR, SWING MACHINERY ASSEMBLY
• 12.14.1. SKETCHES OF SPECIAL TOOLS
• 12.15. DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY
• 12.16. DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY
• 12.17. DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
• 12.18. DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY
• 12.19. REMOVAL AND INSTALLATION OF TRACK SHOE ASSEMBLY
• 12.19.1. EXPANSION OF TRACK SHOE
• 12.20. REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
• 12.21. REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY
• 12.22. REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY
• 12.23. DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
• 12.24. REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
• 12.25. REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY
• 12.26. DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY
• 12.27. REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
• 12.28. REMOVAL AND INSTALLATION OF OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
• 12.29. DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
• 12.30. DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
• 12.31. DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
• 12.32. REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
• 12.33. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
• 12.34. REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY
• 12.35. REMOVAL AND INSTALLATION OF OPERATORS CAB ASSEMBLY
• 12.36. REMOVAL AND INSTALLATION OF MONITOR ASSEMBLY
• 12.37. REMOVAL AND INSTALLATION OF GOVERNOR PUMP CONTROLLER ASSEMBLY
• 13. _601.pdf
• 13.1. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (HMODE)
• 13.1.1. SYSTEM CHART FOR HYDRAULIC AND MECHANICAL SYSTEMS
• 13.1.2. INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
• 14. PC340_A2.pdf
• 14.1. hydraulic circuit diagram
• 14.2. electrical circuit diagram (1/4)
• 14.2.1. FOR multi monitor
• 14.3. electrical circuit diagram (2/4)
• 14.3.1. FOR multi monitor
• 14.4. electrical circuit diagram (3/4)
• 14.4.1. FOR multi monitor
• 14.5. electrical circuit diagram (4/4)
• 14.5.1. FOR multi monitor