Komatsu WA320-5 Shop Manual SEBM034608

Description

• Model List:
  • WA320-5

• 1. COVER
• 2. CONTENTS
• 3. LIST OF REVISED PAGES
• 4. SAFETY
• 4.1. SAFETY NOTICE
• 5. FOREWORD
• 5.1. GENERAL
• 5.2. HOW TO READ THE SHOP MANUAL
• 5.3. HOISTING INSTRUCTIONS
• 5.4. METHOD OF DISASSEMBLING, CONNECTING PUSHPULL TYPE COUPLER
• 5.5. COATING MATERIALS
• 5.6. STANDARD TIGHTENING TORQUE
• 5.7. ELECTRIC WIRE CODE
• 5.8. CONVERSION TABLE
• 5.9. UNITS
• 6. GENERAL
• 6.1. GENERAL ASSEMBLY DRAWINGS
• 6.2. SPECIFICATIONS
• 6.3. WEIGHT TABLE
• 6.4. LIST OF LUBRICANT AND COOLANT
• 7. STRUCTURE,FUNCTION AND MAINTENANCE STANDARD
• 7.1. ENGINE MOUNT AND TRANSFER MOUNT
• 7.2. DAMPER
• 7.3. COOLING SYSTEM
• 7.4. POWER TRAIN
• 7.5. POWER TRAIN SYSTEM DIAGRAM
• 7.6. DRIVE SHAFT (PROPELLER SHAFT)
• 7.7. HST HYDRAULIC PIPING DIAGRAM
• 7.8. HST PUMP
• 7.9. HIGHPRESSURE RELIEF VALVE
• 7.10. LOWPRESSURE RELIEF VALVE
• 7.11. HST CHARGE PUMP
• 7.12. SPEEDRELATED VALVE (DA VALVE)
• 7.13. HIGHPRESSURE CUTOFF VALVE
• 7.14. HST MOTOR
• 7.15. EP SERVO VALVE
• 7.16. HA SERVO VALVE
• 7.17. FORWARDREVERSE SHUTTLE VALVE
• 7.18. TRANSFER
• 7.19. CLUTCH SOLENOID VALVE
• 7.20. AXLE
• 7.21. DIFFERENTIAL
• 7.22. LIMITEDSLIP DIFFERENTIAL
• 7.23. FINAL DRIVE
• 7.24. AXLE MOUNTING AND CENTER HINGE PIN
• 7.25. STEERING PIPING
• 7.26. STEERING COLUMN
• 7.27. PRIORITY VALVE
• 7.28. ORBITROLL VALVE
• 7.29. CUSHION VALVE
• 7.30. STEERING CYLINDER
• 7.31. EMERGENCY STEERING PIPING
• 7.32. EMERGENCY STEERING VALVE
• 7.33. BRAKE PIPING
• 7.34. BRAKE VALVE
• 7.35. INCHING VALVE
• 7.36. CHARGE VALVE
• 7.37. ACCUMULATOR (FOR BRAKE)
• 7.38. SLACK ADJUSTER
• 7.39. BRAKE
• 7.40. PARKING BRAKE CONTROL
• 7.41. PARKING BRAKE
• 7.42. HYDRAULIC PIPING
• 7.43. WORK EQUIPMENT LEVEL LINKAGE
• 7.44. HYDRAULIC TANK
• 7.45. GEAR PUMP UNIT
• 7.46. ACCUMULATOR (FOR PPC CIRCUIT)
• 7.47. LOCK VALVE
• 7.48. VALVE
• 7.49. ACCUMULATOR (FOR E.C.S.S.)
• 7.50. HYDRAULIC PIPING OF COOLING SYSTEM
• 7.51. COOLING FAN MOTOR
• 7.52. WORK EQUIPMENT CONTROL VALVE
• 7.53. WORK EQUIPMENT PPC VALVE
• 7.54. ATTACHMENT PPC VALVE
• 7.55. WORK EQUIPMENT LINKAGE
• 7.56. BUCKET
• 7.57. BUCKET POSITIONER AND BOOM KICKOUT
• 7.58. WORK EQUIPMENT CYLINDER
• 7.59. AIR CONDITIONER
• 7.60. MACHINE MONITORING SYSTEM
• 7.61. MACHINE MONITOR
• 7.62. LIST OF ITEMS DISPLAYED ON MONITOR
• 7.63. ELECTRICAL SYSTEM (HST CONTROLLER SYSTEM)
• 7.64. HST CONTROLLER
• 7.65. KOMTRAX SYSTEM
• 7.66. ENGINE START CIRCUIT
• 7.67. ENGINE STOP CIRCUIT
• 7.68. PREHEATING CIRCUIT (AUTOMATIC PREHEATING SYSTEM)
• 7.69. PARKING BRAKE CIRCUIT
• 7.70. ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM
• 7.71. SENSORS
• 8. TESTING AND ADJUSTING
• 8.1. STANDARD VALUE TABLE FOR ENGINE
• 8.2. STANDARD VALUE TABLE FOR CHASSIS
• 8.3. TESTING AND ADJUSTING
• 8.4. TROUBLESHOOTING
• 9. DISASSEMBLY AND ASSEMBLY
• 9.1. HOW TO READ THIS MANUAL
• 9.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 9.3. SPECIAL TOOL LIST
• 9.4. SKETCH OF SPECIAL TOOLS
• 9.5. REMOVAL,INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
• 9.6. REMOVAL,INSTALLATION OF NOZZLE HOLDER ASSEMBLY
• 9.7. REMOVAL,INSTALLATION OF CYLINDER HEAD ASSEMBLY
• 9.8. REMOVAL,INSTALLATION OF ENGINE ASSEMBLY
• 9.9. REMOVAL,INSTALLATION OF RADIATOR ASSEMBLY
• 9.10. REMOVAL,INSTALLATION OF AIR AFTERCOOLER
• 9.11. REMOVAL,INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
• 9.12. REMOVAL,INSTALLATION OF COOLING FAN AND FAN MOTOR ASSEMBLY
• 9.13. REMOVAL,INSTALLATION OF FUEL TANK ASSEMBLY
• 9.14. REMOVAL,INSTALLATION OF TRANSFER
• 9.15. DISASSEMBLY,ASSEMBLY OF TRANSFER ASSEMBLY
• 9.16. REMOVAL,INSTALLATION OF PARKING BRAKE ASSEMBLY
• 9.17. DISASSEMBLY,ASSEMBLY OF PARKING BRAKE ASSEMBLY
• 9.18. REMOVAL,INSTALLATION OF FRONT AXLE ASSEMBLY
• 9.19. REMOVAL,INSTALLATION OF REAR AXLE ASSEMBLY
• 9.20. DISASSEMBLY,ASSEMBLY OF AXLE HOUSING ASSEMBLY
• 9.21. DISASSEMBLY,ASSEMBLY OF DIFFERENTIAL ASSEMBLY
• 9.22. REMOVAL,INSTALLATION OF HST PUMP AND 4GEAR PUMP ASSEMBLY
• 9.23. REMOVAL,INSTALLATION OF HST MOTOR 1 ASSEMBLY
• 9.24. REMOVAL,INSTALLATION OF HST MOTOR 2 ASSEMBLY
• 9.25. REMOVAL,INSTALLATION OF WORK EQUIPMENT CONTROL VALVE ASSEMBLY
• 9.26. REMOVAL,INSTALLATION OF TRAVEL DAMPER VALVE ASSEMBLY(IF EQUIPPED)
• 9.27. REMOVAL,INSTALLATION OF HYDRAULIC TANK ASSEMBLY
• 9.28. REMOVAL,INSTALLATION OF WORK EQUIPMENT ASSEMBLY
• 9.29. DISASSEMBLY AND ASSEMBLY OF HST PUMP ASSEMBLY
• 9.30. DISASSEMBLY AND ASSEMBLY OF HST MOTOR ASSEMBLY
• 9.31. DISASSEMBLY,ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
• 9.32. REMOVAL,INSTALLATION OF OPERATORS CAB ASSEMBLY
• 9.33. REMOVAL,INSTALLATION OF OPERATORS CAB GLASS(STUCK GLASS)
• 9.34. REMOVAL,INSTALLATION OF CENTER HINGE PIN
• 9.35. REMOVAL,INSTALLATION OF COUNTERWEIGHT
• 9.36. REMOVAL,INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
• 9.37. REMOVAL,INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
• 9.38. REMOVAL,INSTALLATION OF MONITOR PANEL
• 9.39. REMOVAL,INSTALLATION OF HST CONTROLLER ASSEMBLY
• 10. OTHERS
• 10.1. HYDRAULIC CIRCUIT DIAGRAM
• 10.2. ELECTRICAL CIRCUIT DIAGRAM 1/4(1/4)
• 10.3. ELECTRICAL CIRCUIT DIAGRAM 1/4(2/4)
• 10.4. ELECTRICAL CIRCUIT DIAGRAM 1/4(3/4)
• 10.5. ELECTRICAL CIRCUIT DIAGRAM 1/4(4/4)
• 10.6. ELECTRICAL CIRCUIT DIAGRAM 2/4
• 10.7. ELECTRICAL CIRCUIT DIAGRAM 3/4
• 10.8. ELECTRICAL CIRCUIT DIAGRAM 4/4
• 10.9. ELECTRICAL CIRCUIT DIAGRAM (A1 SIZE)
• 10.10. CONNECTORS TABLE AND ARRANGEMENT DRAWING (A1 SIZE)