Komatsu PC228US-3, PC228USLC-3 Hydraulic Excavator Shop Manual SEBM030506

Description

• Model List:
  • PC228US-3 Hydraulic Excavator
  • PC228USLC-3 Hydraulic Excavator

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. SPECIFICATION DIMENSION DRAWINGS
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. FUEL,COOLANT,AND LUBRICANTS
• 4. STRUCTURE,FUNCTION AND MAINTENANCE STANDARD
• 4.1. ENGINE RELATED PARTS
• 4.2. RADIATOR,OIL COOLER AND AFTERCOOLER
• 4.3. POWER TRAIN
• 4.4. FINAL DRIVE
• 4.5. SWING CIRCLE
• 4.6. SWING MACHINERY
• 4.7. TRACK FRAME AND RECOIL SPRING
• 4.8. MAIN RELIEF VALVE
• 4.9. VARIABLE PRESSURE COMPENSATION VALVE
• 4.10. CLSS
• 4.11. SELF PRESSURE REDUCING VALVE
• 4.12. SWING MOTOR
• 4.13. REVERSE PREVENTION VALVE
• 4.14. CENTER SWIVEL JOINT
• 4.15. TRAVEL MOTOR
• 4.16. TRAVEL JUNCTION VALVE
• 4.17. TRAVEL PPC SHUTTLE VALVE
• 4.18. VALVE CONTROL
• 4.19. WORK EQUIPMENT AND SWING PPC VALVE
• 4.20. TRAVEL PPC VALVE
• 4.21. SERVICE PPC VALVE
• 4.22. SOLENOID VALVE
• 4.23. ACCUMULATOR
• 4.24. RETURN OIL FILTER
• 4.25. BOOM HYDRAULIC DRIFT PREVENTION VALVE
• 4.26. LIFT CHECK VALVE
• 4.27. ATTACHMENT CIRCUIT SELECTOR VALVE
• 4.28. HOLDING VALVE
• 4.29. HYDRAULIC CYLINDER
• 4.30. WORK EQUIPMENT
• 4.31. AIR CONDITIONER
• 4.32. ENGINE CONTROL
• 4.33. ELECTRONIC CONTROL SYSTEM
• 4.34. MONITOR SYSTEM
• 4.35. SENSOR
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE
• 5.2. STANDARD VALUE TABLE FOR CHASSIS
• 5.3. TESTING AND ADJUSTING
• 5.3.1. TOOLS FOR TESTING,ADJUSTING AND TROUBLESHOOTING
• 5.3.2. INSPECTION AND ADJUSTMENT OF ENGINE SPEED
• 5.3.3. MEASUREMENT OF EXHAUST GAS COLOR
• 5.3.4. ADJUSTMENT OF VALVE CLEARANCE
• 5.3.5. MEASUREMENT OF COMPRESSION PRESSURE
• 5.3.6. MEASUREMENT OF BLOWBY PRESSURE
• 5.3.7. INSPECTION AND ADJUSTMENT OF FUEL INJECTION TIMING
• 5.3.8. MEASUREMENT OF ENGINE OIL PRESSURE
• 5.3.9. ADJUSTMENT OF ENGINE SPEED SENSOR
• 5.3.10. INSPECTION AND ADJUSTMENT OF AIR COMPRESSOR BELT TENSION
• 5.3.11. EMERGENT ESCAPE FROM FAILURE IN ENGINE CONTROL SYSTEM
• 5.3.12. MEASUREMENT OF CLEARANCE IN SWING CIRCLE BEARINGS
• 5.3.13. INSPECTION AND ADJUSTMENT OF TRACK SHOE TENSION
• 5.3.14. INSPECTION AND ADJUSTMENT OF HYDRAULIC OIL PRESSURE IN HYDRAULIC CIRCUIT FOR WORK EQUIPMENT,SWING AND TRAVEL
• 5.3.15. MEASUREMENT OF CONTROL CIRCUIT OIL PRESSURE
• 5.3.16. INSPECTION AND ADJUSTMENT OF PUMP PC CONTROL CIRCUIT OIL PRESSURE
• 5.3.17. INSPECTION AND ADJUSTMENT OF PUMP LS CONTROL CIRCUIT OIL PRESSURE
• 5.3.18. MEASUREMENT OF SOLENOID VALVE OUTPUT PRESSURE
• 5.3.19. MEASUREMENT OF PPC VALVE OUTPUT PRESSURE
• 5.3.20. ADJUSTMENT OF WORK EQUIPMENT AND SWING PPC VALVE
• 5.3.21. INSPECTION OF LOCATIONS OF HYDRAULIC DRIFT OF WORK EQUIPMENT
• 5.3.22. RELEASE OF RESIDUAL PRESSURE FROM HYDRAULIC CIRCUIT
• 5.3.23. MEASUREMENT OF OIL LEAKAGE
• 5.3.24. BLEEDING AIR FROM EACH PART
• 5.3.25. PROCEDURE FOR REPLACING BOOM ANGLE POTENTIOMETER
• 5.3.26. INSPECTION PROCEDURES FOR DIODE
• 5.3.27. SPECIAL FUNCTION OF MONITOR PANEL
• 5.3.28. PREPARATIONS FOR TROUBLESHOOTING ELECTRCIAL SYSTEM
• 5.3.29. PMTUNE UP SERVICE
• 5.4. TROUBLESHOOTING
• 5.4.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 5.4.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 5.4.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
• 5.4.4. CHECKS BEFORE TROUBLESHOOTING
• 5.4.5. CLASSIFICATION AND STEPS FOR TROUBLESHOOTING
• 5.4.6. CONNECTOR LOCATION CHART AND ELECTRICAL CIRCUIT DIAGRAM BY SYSTEM
• 5.4.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 5.4.8. TBRANCH BOX AND TBRANCH TABLE
• 5.4.9. TROUBLESHOOTING WHEN ERROR CODE ELECTRICAL SYSTEM AND FAILURE CODE MECHANICAL SYSTEM ARE INDICATED
• 5.4.10. TROUBLESHOOTING OF ELECTRICAL SYSTEM (EMODE)
• 5.4.11. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM(HMODE)
• 5.4.12. TROUBLESHOOTING OF ENGINE (SMODE)
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. HOW TO READ THIS MANUAL
• 6.2. PRECAUTIONS WHEN PERFORMING OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. REMOVAL AND INSTALLATION OF ENGINE ASSEMBLY
• 6.5. REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
• 6.6. REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
• 6.7. REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
• 6.8. REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
• 6.9. REMOVAL AND INSTALLATION OF AFTERCOOLER
• 6.10. REMOVAL AND INSTALLATION OF FUEL TANK ASSEMBLY
• 6.11. REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY
• 6.12. DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT
• 6.13. REMOVAL AND INSTALLATION OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
• 6.14. DISASSEMBLY AND ASSEMBLY OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
• 6.15. REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
• 6.16. DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
• 6.17. REMOVAL AND INSTALLATION OF REVOLVING FRAME
• 6.18. REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
• 6.19. DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING
• 6.20. DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
• 6.21. DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY
• 6.22. EXPANSION AND INSTALLATION OF TRACK SHOE ASSEMBLY
• 6.23. REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
• 6.24. REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
• 6.25. REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY
• 6.26. DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY
• 6.27. DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
• 6.28. DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
• 6.29. DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
• 6.30. REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
• 6.31. REMOVAL AND INSTALLATION OF OPERATORS CAB ASSEMBLY
• 6.32. REMOVAL AND INSTALLATION OF FLOOR FRAME ASSEMBLY
• 6.33. REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
• 6.34. REMOVAL AND INSTALLATION OF AIR CONDITIONER CONDENSER ASSEMBLY
• 6.35. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
• 6.36. REMOVAL AND INSTALLATION OF MAINTENANCE COUNTERWEIGHT ASSEMBLY (AT REAR PART OF ENGINE)
• 6.37. REMOVAL AND INSTALLATION OF MAINTENANCE COUNTERWEIGHT ASSEMBLY(ABOVE PUMP)
• 6.38. REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY
• 6.39. REMOVAL AND INSTALLATION OF MONITOR PANEL
• 6.40. REMOVAL AND INSTALLATION OF OPERATORS CAB GLASS (STUCK GLASS)
• 6.41. REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY
• 7. OTHERS
• 7.1. HYDRAULIC CIRCUIT DIAGRAM
• 7.2. ELECTRICAL CIRCUIT DIAGRAM(1/4)
• 7.3. ELECTRICAL CIRCUIT DIAGRAM(2/4)
• 7.4. ELECTRICAL CIRCUIT DIAGRAM(3/4)
• 7.5. ELECTRICAL CIRCUIT DIAGRAM(4/4)