Komatsu WA320-5 Wheel Loader Shop Manual SEBM0346-10

Description

• Model List:
  • WA320-5 Wheel Loader

• 1. COVER
• 2. CONTENTS
• 3. LIST OF REVISED PAGES
• 4. GENERAL
• 4.1. GENERAL ASSEMBLY DRAWINGS
• 4.2. SPECIFICATIONS
• 4.3. WEIGHT TABLE
• 4.4. LIST OF LUBRICANT AND COOLANT
• 5. STRUCTURE, FUNCTION ANDMAINTENANCE STANDARD
• 5.1. ENGINE MOUNT AND TRANSFER MOUNT
• 5.2. DAMPER
• 5.3. COOLING SYSTEM
• 5.4. POWER TRAIN
• 5.5. POWER TRAIN SYSTEM DIAGRAM
• 5.6. DRIVE SHAFT (PROPELLER SHAFT)
• 5.7. HST HYDRAULIC PIPING DIAGRAM
• 5.8. HST PUMP
• 5.9. HIGHPRESSURE RELIEF VALVE
• 5.10. LOWPRESSURE RELIEF VALVE
• 5.11. HST CHARGE PUMP
• 5.12. SPEEDRELATED VALVE (DA VALVE)
• 5.13. HIGHPRESSURE CUTOFF VALVE
• 5.14. HST MOTOR
• 5.15. EP SERVO VALVE
• 5.16. HA SERVO VALVE
• 5.17. FORWARDREVERSE SHUTTLE VALVE
• 5.18. TRANSFER
• 5.19. CLUTCH SOLENOID VALVE
• 5.20. AXLE
• 5.21. DIFFERENTIAL
• 5.22. LIMITEDSLIP DIFFERENTIAL
• 5.23. FINAL DRIVE
• 5.24. AXLE MOUNTING AND CENTER HINGE PIN
• 5.25. STEERING PIPING
• 5.26. STEERING COLUMN
• 5.27. PRIORITY VALVE
• 5.28. ORBITROLL VALVE
• 5.29. CUSHION VALVE
• 5.30. STEERING CYLINDER
• 5.31. EMERGENCY STEERING PIPING
• 5.32. EMERGENCY STEERING VALVE
• 5.33. BRAKE PIPING
• 5.34. BRAKE VALVE
• 5.35. INCHING VALVE
• 5.36. CHARGE VALVE
• 5.37. ACCUMULATOR (FOR BRAKE)
• 5.38. SLACK ADJUSTER
• 5.39. BRAKE
• 5.40. PARKING BRAKE CONTROL
• 5.41. PARKING BRAKE
• 5.42. HYDRAULIC PIPING
• 5.43. WORK EQUIPMENT LEVER LINKAGE
• 5.44. HYDRAULIC TANK
• 5.45. GEAR PUMP UNIT
• 5.46. ACCUMULATOR (FOR PPC CIRCUIT)
• 5.47. LOCK VALVE
• 5.48. VALVE
• 5.49. ACCUMULATOR (FOR E.C.S.S.)
• 5.50. HYDRAULIC PIPING OF COOLING SYSTEM
• 5.51. COOLING FAN MOTOR
• 5.52. WORK EQUIPMENT CONTROL VALVE
• 5.53. WORK EQUIPMENT PPC VALVE
• 5.54. ATTACHMENT PPC VALVE
• 5.55. WORK EQUIPMENT LINKAGE
• 5.56. BUCKET
• 5.57. BUCKET POSITIONER AND BOOM KICKOUT
• 5.58. WORK EQUIPMENT CYLINDER
• 5.59. AIR CONDITIONER
• 5.60. MACHINE MONITORING SYSTEM
• 5.61. MACHINE MONITOR
• 5.62. LIST OF ITEMS DISPLAYED ON MONITOR
• 5.63. ELECTRICAL SYSTEM (HST CONTROLLER SYSTEM)
• 5.64. HST CONTROLLER
• 5.65. KOMTRAX SYSTEM
• 5.66. ENGINE START CIRCUIT
• 5.67. ENGINE STOP CIRCUIT
• 5.68. PREHEATING CIRCUIT (AUTOMATIC PREHEATING SYSTEM)
• 5.69. PARKING BRAKE CIRCUIT
• 5.70. ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM
• 5.71. SENSORS
• 6. TESTING AND ADJUSTING
• 6.1. STANDARD VALUE TABLE FOR ENGINE
• 6.2. STANDARD VALUE TABLE FOR CHASSIS
• 6.3. TESTING AND ADJUSTING
• 6.3.1. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
• 6.3.2. MEASURING ENGINE SPEED
• 6.3.3. MEASURING EXHAUST GASCOLOR
• 6.3.4. ADJUSTING VALVECLEARANCE
• 6.3.5. MEASURING COMPRESSIONPRESSURE
• 6.3.6. MEASURING BLOWBYPRESSURE
• 6.3.7. TESTING AND ADJUSTINGFUEL INJECTION TIMING
• 6.3.8. MEASURING ENGINE OILPRESSURE
• 6.3.9. MEASURING, TESTINGOPERATING FORCE OFACCELERATOR PEDAL
• 6.3.10. ADJUSTING ENGINE STOPSOLENOID
• 6.3.11. TESTING AND ADJUSTINGAIR CONDITIONERCOMPRESSOR BELTTENSION
• 6.3.12. MEASURING DIRECTIONALLEVER
• 6.3.13. TESTING AND ADJUSTINGHST OIL PRESSURE
• 6.3.14. MEASURING CLUTCHCONTROL PRESSURE
• 6.3.15. TESTING AND ADJUSTINGSTEERING WHEEL
• 6.3.16. TESTING AND ADJUSTINGSTEERING OIL PRESSURE
• 6.3.17. BLEEDING AIR FROMSTEERING CIRCUIT
• 6.3.18. TESTING HYDRAULIC FAN
• 6.3.19. MEASURING BRAKE PEDAL
• 6.3.20. TESTING AND ADJUSTINGBRAKE PEDAL LINKAGE
• 6.3.21. MEASURING BRAKEPERFORMANC
• 6.3.22. TESTING AND ADJUSTINGACCUMULATOR CHARGEPRESSURE
• 6.3.23. MEASURING BRAKE OILPRESSURE
• 6.3.24. MEASURING WEAR OFBRAKE DISC
• 6.3.25. BLEEDING AIR FROM BRAKECIRCUIT
• 6.3.26. MEASURING PARKINGBRAKE PERFORMANCE
• 6.3.27. TESTING AND ADJUSTINGPARKING BRAKE LINKAGE
• 6.3.28. MEASURING AND ADJUSTINGWORK EQUIPMENT CONTROLLEVER
• 6.3.29. TESTING AND ADJUSTINGWORK EQUIPMENTHYDRAULIC PRESSURE
• 6.3.30. TESTING AND ADJUSTINGWORK EQUIPMENT PPC OILPRESSURE
• 6.3.31. BLEEDING AIR
• 6.3.32. RELEASING REMAININGPRESSURE IN HYDRAULICCIRCUIT
• 6.3.33. TESTING AND ADJUSTINGBUCKET POSITIONER
• 6.3.34. TESTING AND ADJUSTING OFBOOM KICKOUT
• 6.3.35. CHECKING PROXIMITYSWITCH ACTUATIONDISPLAY LAMP
• 6.3.36. PROCEDURE FOR CHECKINGDIODE
• 6.3.37. METHOD OF CONNECTINGTADAPTER FOR HSTCONTROLLER
• 6.3.38. STARTING KOMTRAX TERMINAL OPERATIONS
• 6.3.39. INDICATOR LAMPS OF KOMTRAX TERMINAL
• 6.3.40. SPECIAL FUNCTIONS OFMACHINE MONITOR
• 6.3.41. FLOW OF MODES ANDFUNCTIONS
• 6.3.42. Pm CLINIC INSPECTION CHART
• 6.4. TROUBLESHOOTING
• 6.4.1. POINTS TO REMEMBERWHEN TROUBLESHOOTING
• 6.4.2. SEQUENCE OF EVENTS INTROUBLESHOOTING
• 6.4.3. PRECAUTIONS WHENCARRYING OUTMAINTENANCE
• 6.4.4. CHECK BEFORETROUBLESHOOTING
• 6.4.5. CATEGORIES, PROCEDURE,AND METHOD OF USINGTROUBLESHOOTING CHARTS
• 6.4.6. PHENOMENA CONSIDEREDTO BE FAILURES ANDTROUBLESHOOTING NO.
• 6.4.7. CONNECTION TABLE FORCONNECTOR PIN NUMBERS
• 6.4.8. TADAPTER TABLE
• 6.4.9. CONNECTOR TYPES ANDMOUNTING LOCATIONS
• 6.4.10. CONNECTOR LAYOUTDRAWING
• 7. DISASSEMBLY AND ASSEMBLY
• 7.1. HOW TO READ THIS MANUAL
• 7.2. PRECAUTIONS WHENCARRYING OUT OPERATION
• 7.3. SPECIAL TOOL LIST
• 7.4. SKETCH OF SPECIAL TOOLS
• 7.5. REMOVAL, INSTALLATION OFFUEL INJECTION PUMPASSEMBLY
• 7.6. REMOVAL, INSTALLATION OFNOZZLE HOLDER ASSEMBLY
• 7.7. REMOVAL, INSTALLATION OFCYLINDER HEAD ASSEMBLY
• 7.8. REMOVAL, INSTALLATION OFENGINE ASSEMBLY
• 7.9. REMOVAL, INSTALLATION OFRADIATOR ASSEMBLY
• 7.10. REMOVAL, INSTALLATION OFAIR AFTERCOOLER
• 7.11. REMOVAL, INSTALLATION OFHYDRAULIC OIL COOLERASSEMBLY
• 7.12. REMOVAL, INSTALLATION OFCOOLING FAN AND FANMOTOR ASSEMBLY
• 7.13. REMOVAL, INSTALLATION OFFUEL TANK ASSEMBLY
• 7.14. REMOVAL, INSTALLATION OFTRANSFER
• 7.15. DISASSEMBLY, ASSEMBLYOF TRANSFER ASSEMBLY
• 7.16. REMOVAL, INSTALLATION OFPARKING BRAKE ASSEMBLY
• 7.17. DISASSEMBLY, ASSEMBLYOF PARKING BRAKEASSEMBLY
• 7.18. REMOVAL, INSTALLATION OFFRONT AXLE ASSEMBLY
• 7.19. REMOVAL, INSTALLATION OFREAR AXLE ASSEMBLY
• 7.20. DISASSEMBLY, ASSEMBLYOF AXLE HOUSINGASSEMBLY
• 7.21. DISASSEMBLY, ASSEMBLYOF DIFFERENTIALASSEMBLY
• 7.22. REMOVAL, INSTALLATION OFHST PUMP AND 4GEARPUMP ASSEMBLY
• 7.23. REMOVAL, INSTALLATION OFHST MOTOR 1 ASSEMBLY
• 7.24. REMOVAL, INSTALLATION OFHST MOTOR 2 ASSEMBLY
• 7.25. REMOVAL, INSTALLATION OFWORK EQUIPMENT CONTROLVALVE ASSEMBLY
• 7.26. REMOVAL, INSTALLATION OFTRAVEL DAMPER VALVEASSEMBLY (If equipped)
• 7.27. REMOVAL, INSTALLATION OFHYDRAULIC TANKASSEMBLY
• 7.28. REMOVAL, INSTALLATION OFWORK EQUIPMENTASSEMBLY
• 7.29. DISASSEMBLY ANDASSEMBLY OF HST PUMPASSEMBLY
• 7.30. DISASSEMBLY ANDASSEMBLY OF HST MOTORASSEMBLY
• 7.31. DISASSEMBLY, ASSEMBLYOF HYDRAULIC CYLINDERASSEMBLY
• 7.32. REMOVAL, INSTALLATION OFOPERATORS CABASSEMBLY
• 7.33. REMOVAL, INSTALLATION OFOPERATORS CAB GLASS(STUCK GLASS)
• 7.34. REMOVAL, INSTALLATION OFCENTER HINGE PIN
• 7.35. REMOVAL, INSTALLATION OFCOUNTERWEIGHT
• 7.36. REMOVAL, INSTALLATION OFAIR CONDITIONER UNITASSEMBLY
• 7.37. REMOVAL, INSTALLATION OFAIR CONDITIONERCOMPRESSOR ASSEMBLY
• 7.38. REMOVAL, INSTALLATION OFMONITOR PANEL
• 7.39. REMOVAL, INSTALLATION OFHST CONTROLLER ASSEMBLY
• 8. OTHERS
• 8.1. HYDRAULIC CIRCUIT DIAGRAM
• 8.2. ELECTRICAL CIRCUIT DIAGRAM 1/4 (1/4)
• 8.3. ELECTRICAL CIRCUIT DIAGRAM 1/4 (2/4)
• 8.4. ELECTRICAL CIRCUIT DIAGRAM 1/4 (3/4)
• 8.5. ELECTRICAL CIRCUIT DIAGRAM 1/4 (4/4)
• 8.6. ELECTRICAL CIRCUIT DIAGRAM 2/4
• 8.7. ELECTRICAL CIRCUIT DIAGRAM 3/4
• 8.8. ELECTRICAL CIRCUIT DIAGRAM 4/4
• 8.9. ELECTRICAL CIRCUIT DIAGRAM (A1 SIZE) WA3205
• 8.10. CONNECTORS TABLE AND ARRANGEMENT DRAWING (A1 SIZE)