Komatsu WA320-5L Wheel Loader Shop Manual CEBM012004

Description

• Model List:
  • WA320-5L Wheel Loader

• 0.1. GENERAL
• 0.2. HOW TO READ THE SHOP MANUAL
• 0.3. HOISTING INSTRUCTIONS
• 0.4. PUSHPULL TYPE COUPLER
• 0.5. COATING MATERIALS
• 0.6. STANDARD TIGHTENING TORQUE
• 0.7. ELECTRIC WIRE CODE
• 0.8. CONVERSION TABLES
• 1. GENERAL
• 1.1. GENERAL ASSEMBLY DRAWINGS
• 1.2. SPECIFICATIONS
• 1.3. WEIGHT TABLE
• 1.4. LIST OF LUBRICANTS AND COOLANT
• 2. STRUCTURE AND FUNCTION
• 2.1. ENGINE AND DRIVE SYSTEM MOUNTING
• 2.2. DRIVE DAMPER ASSEMBLY
• 2.3. COOLING SYSTEM ASSEMBLY
• 2.4. REVERSING FAN SYSTEM
• 2.5. REVERSING FAN MANIFOLD
• 2.6. PROPORTIONAL RELIEF VALVE
• 2.7. POSITION, 4WAY SPOOL VALVE
• 2.8. FAN CONTROLLER
• 2.9. POWER TRAIN
• 2.10. POWER TRAIN SYSTEM
• 2.11. FRONT AND REAR DRIVE LINES
• 2.12. HST HYDRAULIC PIPING DIAGRAM
• 2.13. HST PUMP
• 2.14. PRESSURE RELIEF VALVES
• 2.15. HST CHARGE PUMP
• 2.16. SPEED RELATED VALVE (DA VALVE)
• 2.17. HIGHPRESSURE CUTOFF VALVE
• 2.18. HST MOTORS
• 2.19. EP SERVO VALVE
• 2.20. HA SERVO VALVE
• 2.21. FORWARDREVERSE SHUTTLE VALVE
• 2.22. TRANSFER SYSTEM
• 2.23. CLUTCH SOLENOID VALVE
• 2.24. AXLES
• 2.25. STANDARD DIFFERENTIALS
• 2.26. LIMITEDSLIP DIFFERENTIAL
• 2.27. FINAL DRIVE
• 2.28. AXLE MOUNTING AND CENTER HINGE PIN
• 2.29. STEERING PIPING
• 2.30. STEERING COLUMN
• 2.31. PRIORITY VALVE
• 2.32. ORBITROLL VALVE
• 2.33. CUSHION VALVE
• 2.34. CYLINDER LAYOUT AND STEERING CYLINDER
• 2.35. EMERGENCY STEERING PIPING
• 2.36. EMERGENCY STEERING VALVE
• 2.37. BRAKE PIPING
• 2.38. BRAKE VALVE ASSEMBLY
• 2.39. CHARGE VALVE ASSEMBLY
• 2.40. ACCUMULATOR (BRAKE SYSTEM)
• 2.41. SLACK ADJUSTER
• 2.42. BRAKE
• 2.43. PARKING BRAKE CONTROL
• 2.44. HYDRAULIC PIPING
• 2.45. WORK EQUIPMENT CONTROL LINKAGE
• 2.46. HYDRAULIC TANK
• 2.47. GEAR PUMP UNIT
• 2.48. ACCUMULATOR (PPC CIRCUIT)
• 2.49. LOCK VALVE
• 2.50. TRAVEL DAMPER VALVE
• 2.51. ACCUMULATOR (TRAVEL DAMPER)
• 2.52. HYDRAULIC PIPING FOR COOLING SYSTEM
• 2.53. COOLING FAN MOTOR
• 2.54. WORK EQUIPMENT CONTROL VALVE
• 2.55. WORK EQUIPMENT PPC VALVE
• 2.56. ATTACHMENT PPC VALVE
• 2.57. WORK EQUIPMENT LINKAGE
• 2.58. BUCKET
• 2.59. BUCKET POSITIONER AND BOOM KICKOUT
• 2.60. WORK EQUIPMENT CYLINDER
• 2.61. AIR CONDITIONER SYSTEM
• 2.62. MACHINE MONITORING SYSTEM
• 2.63. MACHINE MONITOR (STANDARD)
• 2.64. MACHINE MONITOR (OPTIONAL LOAD METER)
• 2.65. ITEMS DISPLAYED ON MONITOR
• 2.66. ELECTRICAL SYSTEM (HST CONTROLLER)
• 2.67. HST CONTROLLER
• 2.68. FORWARDREVERSE SELECTOR SWITCH (IF EQUIPPED)
• 2.69. ENGINE START CIRCUIT
• 2.70. ENGINE STOP CIRCUIT
• 2.71. AUTOMATIC PREHEAT SYSTEM CIRCUIT
• 2.72. PARKING BRAKE CIRCUIT
• 2.73. ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM
• 2.74. SENSORS
• 3. TESTING, ADJUSTING AND TROUBLESHOOTING
• 3.1. STANDARD VALUE TABLE
• 3.2. SPECIAL TOOLS
• 3.3. ENGINE COMPONENTS
• 3.4. ACCELERATOR PEDAL
• 3.5. ADJUSTING ENGINE STOP SOLENOID
• 3.6. ADJUSTING ENGINE SPEED SENSOR
• 3.7. REFRIGERENT COMPRESSOR BELT
• 3.8. DIRECTIONAL LEVER
• 3.9. HST OIL PRESSURE
• 3.10. CLUTCH CONTROL PRESSURE
• 3.11. STEERING WHEEL
• 3.12. STEERING OIL PRESSURE
• 3.13. HYDRAULIC FAN
• 3.14. REVERSING FAN CONTROLLER, IF EQUIPPED
• 3.15. MEASURING BRAKE PEDAL
• 3.16. BRAKE PEDAL LINKAGE
• 3.17. MEASURING BRAKE PERFORMANCE
• 3.18. ACCUMULATOR CHARGE PRESSURE
• 3.19. BRAKE OIL PRESSURE
• 3.20. MEASURING WEAR OF BRAKE DISC
• 3.21. BLEEDING AIR FROM BRAKE CIRCUIT
• 3.22. PARKING BRAKE PERFORMANCE
• 3.23. PARKING BRAKE LINKAGE
• 3.24. WORK EQUIPMENT CONTROL LEVER
• 3.25. WORK EQUIPMENT PRESSURE
• 3.26. WORK EQUIPMENT PPC OIL PRESSURE
• 3.27. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 3.28. BUCKET POSITIONER
• 3.29. BOOM KICKOUT
• 3.30. PROXIMITY SWITCH ACTUATION DISPLAY LAMP
• 3.31. PROCEDURE FOR CHECKING DIODE
• 3.32. SPECIAL FUNCTIONS OF MACHINE MONITOR
• 3.33. FLOW OF MODES AND FUNCTIONS
• 3.34. REALTIME MONITORING ITEMS
• 3.35. PM CLINIC INSPECTION CHART
• 3.36. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 3.37. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 3.38. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
• 3.39. CHECKS BEFORE TROUBLESHOOTING
• 3.40. TABLE FOR CONNECTOR PIN NUMBERS
• 3.41. TADAPTER TABLE
• 3.42. CONNECTOR TYPES AND MOUNTING LOCATIONS
• 3.43. CONNECTOR LAYOUT DRAWING
• 3.44. TROUBLESHOOTING OF HST CONTROLLER SYSTEM (HST MODE)
• 3.45. TROUBLESHOOTING OF HST MONITOR SYSTEM (HST MODE)
• 3.46. TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
• 3.47. TROUBLESHOOTING OF HYDRAULIC MECHANICAL SYSTEM (H MODE)
• 3.48. TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)
• 4. DISASSEMBLY AND ASSEMBLY
• 4.1. HOW TO USE THIS MANUAL
• 4.2. PRECAUTIONS WHEN CARRYING OUT AN OPERATION
• 4.3. SPECIAL TOOL LIST
• 4.4. CONNECTOR REPAIR PROCEDURES
• 4.5. ENGINE ASSEMBLY
• 4.6. RADIATOR, AFTERCOOLER AND OIL COOLER
• 4.7. COOLING FAN AND FAN MOTOR ASSEMBLY
• 4.8. FUEL TANK ASSEMBLY
• 4.9. TRANSFER ASSEMBLY
• 4.10. PARKING BRAKE ASSEMBLY
• 4.11. FRONT AXLE ASSEMBLY
• 4.12. REAR AXLE ASSEMBLY
• 4.13. FRONT AND REAR AXLE HOUSING
• 4.14. DIFFERENTIAL CARRIER
• 4.15. HST AND 4GEAR PUMP ASSEMBLY
• 4.16. HST MOTOR 1 ASSEMBLY
• 4.17. HST MOTOR 2 ASSEMBLY
• 4.18. WORK EQUIPMENT CONTROL VALVE
• 4.19. TRAVEL DAMPER VALVE
• 4.20. HYDRAULIC TANK
• 4.21. WORK EQUIPMENT
• 4.22. HST PUMP
• 4.23. HST MOTOR
• 4.24. HYDRAULIC CYLINDER
• 4.25. OPERATORS CAB ASSEMBLY
• 4.26. OPERATORS CAB GLASS
• 4.27. CENTER HINGE PIN
• 4.28. REAR COUNTERWEIGHT
• 4.29. AIR CONDITIONER UNIT
• 4.30. REFRIGERENT COMPRESSOR ASSEMBLY
• 4.31. MONITOR PANEL
• 5. OTHERS
• 5.1. HYDRAULIC CIRCUIT DIAGRAM
• 5.2. ELECTRICAL CIRCUIT DIAGRAM
• 5.3. REVERSE FAN WIRING DIAGRAM