Komatsu PC228US-2, PC228USLC-1, PC228USLC-2 Shop Manual SEBM015903

Description

• Model List:
  • PC228US-2
  • PC228USLC-1
  • PC228USLC-2

• 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 AND FUNCTION
• 4.1. ENGINE RELATED PARTS
• 4.2. RADIATOROIL COOLERAFTERCOOLER
• 4.3. POWER TRAIN
• 4.4. FINAL DRIVE
• 4.5. SWING CIRCLE
• 4.6. SWING MACHINERY
• 4.7. TRACK FRAMERECOIL SPRING
• 4.8. TRACK SHOE
• 4.9. HYDRAULIC PIPING DRAWING
• 4.10. HYDRAULIC CIRCUIT DIAGRAM
• 4.11. HYDRAULIC TANK
• 4.12. HYDRAULIC PUMP
• 4.13. CONTROL VALVE
• 4.14. SELFREDUCING PRESSURE VALVE
• 4.15. SAFETYSUCTION VALVE FOR SERVICE VALVE
• 4.16. SWING MOTOR
• 4.17. CENTER SWIVEL JOINT
• 4.18. TRAVEL MOTOR
• 4.19. VALVE CONTROL
• 4.20. WORK EQUIPMENTSWING PPC VALVE
• 4.21. TRAVEL PPC VALVE
• 4.22. PPC ACCUMULATOR
• 4.23. STRAIGHTTRAVEL SYSTEM
• 4.24. LSEPC VALVE
• 4.25. SOLENOID VALVE
• 4.26. BOOM HOLDING VALVE
• 4.27. WORK EQUIPMENT
• 4.28. ACTUAL ELECTRIC WIRING DIAGRAM
• 4.29. ELECTRICAL CIRCUIT DIAGRAM
• 4.30. ENGINE CONTROL SYSTEM
• 4.31. ELECTRONIC CONTROL SYSTEM
• 4.32. MACHINE MONITORING SYSTEM
• 5. TESTING AND ADJUSTING
• 5.1. TABLE OF JUDGEMENT STANDARD VALUE
• 5.2. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
• 5.3. TESTING AND ADJUSTING
• 5.4. TROUBLESHOOTING
• 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. STARING MOTOR
• 6.6. ALTERNATOR
• 6.7. ENGINE OIL COOLER CORE
• 6.8. FUEL INJECTION PUMP
• 6.9. WATER PUMP
• 6.10. NOZZLE HOLDER
• 6.11. TURBOCHARGER
• 6.12. THERMOSTAT
• 6.13. CYLINDER HEAD
• 6.14. ENGINE,MAIN PUMP
• 6.15. DAMPER
• 6.16. ENGINE FRONT SEAL
• 6.17. ENGINE REAR SEAL
• 6.18. RADIATOR,HYDRAULIC COOLER
• 6.19. FUEL TANK
• 6.20. CENTER SWIVEL JOINT
• 6.21. CENTER SWIVEL JOINT
• 6.22. SPROCKET
• 6.23. FINAL DRIVE,TRAVEL MOTOR
• 6.24. FINAL DRIVE
• 6.25. DISASSEMBLY AND ASSEMBLY OF TRAVEL MOTOR
• 6.26. SWING MOTOR,SWING MACHINERY
• 6.27. SWING MACHINERY
• 6.28. SWING MOTOR
• 6.29. REVOLVING FRAME
• 6.30. SWING CIRCLE
• 6.31. IDLER,RECOIL SPRING
• 6.32. CARRIER ROLLER
• 6.33. TRACK SHOE
• 6.34. HYDRAULIC TANK
• 6.35. MAIN PUMP
• 6.36. EPC VALVE
• 6.37. PC VALVE
• 6.38. LS VALVE
• 6.39. LS SELECT VALVE
• 6.40. PRESSURE COMPENSATION VALVE
• 6.41. MAIN RELIEF VALVE
• 6.42. SOLENOID VALVE
• 6.43. PUMP MERGE/DIVIDER SOLENOID VALVE
• 6.44. STAGE RELIEF,TRAVEL HI/LO SOLENOID VALVE
• 6.45. INTERFERENCE PREVENTION SOLENOID VALVE
• 6.46. LEFT WORK EQUIPMENT PPC VALVE (FOR SWING, ARM CONTROL)
• 6.47. RIGHT WORK EQUIPMENT PPC VALVE (FOR BOOM,BUCKET CONTROL)
• 6.48. WORK EQUIPMENT PPC VALVE (PPC VALVE FOR BOOM,BUCKET,ARM,SWING CONTROL)
• 6.49. TRAVEL PPC VALVE
• 6.50. PPC VALVE FOR OFFSET CONTROL
• 6.51. BOOM LOCK VALVE
• 6.52. BUCKET CYLINDER
• 6.53. OFFSET CYLINDER
• 6.54. HYDRAULIC CYLINDER FOR OFFSET
• 6.55. HYDRAULIC CYLINDER FOR BOOM,ARM,BUCKET
• 6.56. OFFSET BRACKET,2ND,1ST BOOM
• 6.57. AIR CONDITIONER COMPRESSOR
• 6.58. AIR CONDITIONER CONDENSER
• 6.59. AIR CONDITIONER UNIT
• 6.60. COUNTERWEIGHT
• 6.61. CONTROLLER
• 6.62. MONITOR
• 7. MAINTENANCE STANDARD
• 7.1. FINAL DRIVE
• 7.2. SWING CIRCLE
• 7.3. SWING MACHINERY
• 7.4. TRACK FRAMERECOIL SPRING
• 7.5. SELFREDUCING PRESSURE VALVE
• 7.6. SWING MOTOR
• 7.7. TRAVEL MOTOR
• 7.8. WORK EQUIPMENTSWING PPC VALVE
• 7.9. TRAVEL PPC VALVE
• 7.10. SERVICE PPC VALVE
• 7.11. LSEPC VALVE
• 7.12. SOLENOID VALVE
• 7.13. CENTER SWIVEL JOINT
• 7.14. BOOM HOLDING VALVE
• 7.15. HYDRAULIC CYLINDER
• 7.16. WORK EQUIPMENT
• 7.17. DIMENSION OF WORK EQUIPMENT
• 8. OTHERS
• 8.1. HYDRAULIC CIRCUIT DIAGRAM
• 8.2. ELECTRICAL CIRCUIT DIAGRAM