Komatsu WB150AWS Backhoe Loader Shop Manual WEBM003301

Description

• Model List:
  • WB150AWS Backhoe Loader

• 1. MAIN MENU
• 2. COVER
• 3. CONTENTS
• 3.1. LIST OF REVISED PAGES
• 4. SAFETY
• 5. FOREWORD
• 5.1. HOW TO READ THE SHOP MANUAL
• 5.2. HOISTING INSTRUCTIONS
• 5.3. STANDARD TIGHTENING TORQUE
• 5.4. COATING MATERI ALS
• 5.5. ELECTRIC
• 5.6. WEIGHT TABLE
• 5.7. TABLE OF OIL AND COOLANT QUANTITIES
• 5.8. CONVERSION TABLE
• 6. STRUCTURE AND FUNCTION
• 6.1. POWER TRAIN
• 6.2. TRANSMISSION
• 6.3. DRIVE SHAFTS
• 6.4. CONTROL VALVE BLOCK
• 6.5. FRONT AXLE
• 6.6. REAR AXLE
• 6.7. STEERING SYSTEM (4WS)
• 6.8. HYDRAULIC PUMP
• 6.9. STEERING UNIT
• 6.10. HYDRAULIC CIRCUIT
• 6.11. SHOVEL CONTROL VALVE
• 6.12. BACKHOE CONTROL VALVE
• 6.13. CLSS (Closed Center Load Sensing System)
• 6.14. SOLENOID VALVE
• 6.15. SAFETY VALVE
• 6.16. BRAKE PUMP
• 6.17. SHOVEL CYLINDERS
• 6.18. BACKHOE CYLINDERS
• 6.19. AIRCONDITIONING UNIT
• 6.20. HOW THE AIRCONDITIONING UNIT FUNCTIONS
• 6.21. ELECTRICAL DIAGRAM
• 6.22. ELECTRICAL DIAGRAM ( AIR CONDITIONING)
• 7. TESTING AND ADJUSTMENTS
• 7.1. NORMAL OR STANDARD TECHNICAL DATA
• 7.2. SPECIAL TOOLS
• 7.3. MEASURING ENGINE SPEED
• 7.4. ADJUSTING VALVE CLEARANCE
• 7.5. MEASURING COMPRESSION PRESSURE
• 7.6. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 7.7. CHECKING AND TIGHTENING THE FAN BELT
• 7.8. CHECKING AND TIGHTENING THE COMPRESSOR FANBELT
• 7.9. MEASURING ACCELERATOR PEDAL OPERATING TRAVEL AND ACCELERATOR LEVER
• 7.10. ADJUSTING BRAKE PEDAL TRAVEL,BRAKE ALIGNMENT, MICROSWITCHES
• 7.11. AIR BLEEDING RELEASING RESIDUAL PRESSURE
• 7.12. CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT
• 7.13. TESTING AND ADJUSTING OF LOAD SENSING SIGNAL (LS VALVE)
• 7.14. TESTING AND ADJUSTING OF UNLOADING VALVE
• 7.15. CHECKING UNLOADING VALVE FUNCTIONALITY
• 7.16. TESTING PRIORITY VALVE OPERATION
• 7.17. TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE
• 7.18. TESTING BRAKE SYSTEM
• 7.19. CONTROL OF THE ENGINE SPEED UNDER LOAD
• 7.20. TESTING PRESSURES IN THE POWER TRAIN GROUP
• 7.21. TESTING THE CORRECT FUNCTIONING OF THE POWER TRAIN CLUTCHES
• 7.22. ADJUSTING THE SENSOR FOR RETURN TO DIG DEVICE
• 7.23. ANALYSIS OF CAUSES HYDRAULIC DRIFT
• 7.24. TESTING THE AIR CONDITIONING UNIT
• 7.25. EMPTYING THE AIRCONDITIONING UNIT
• 7.26. TROUBLESHOOTING
• 7.26.1. FRONT AXLE TROUBLESHOOTING
• 7.26.2. REAR AXLE TROUBLESHOOTING
• 7.26.3. TRANSMISSION TROUBLESHOOTING
• 7.26.4. CHECKING AND INSPECTION OF THE ELETRONIC CONTROL UNIT
• 8. REMOVAL AND INSTALLATION
• 8.1. HOW TO READ THE MANUAL
• 8.2. PRECAUTIONS TO BE TAKEN WHILE WORKING
• 8.3. SPECIAL TOOLS
• 8.4. STARTING MOTOR
• 8.4.1. REMOVAL AND INSTALLATION
• 8.5. THE ALTERNATOR
• 8.5.1. REMOVAL
• 8.5.2. INSTALLATION
• 8.6. AIRCONDITIONING UNIT COMPRESSOR
• 8.7. INJECTION NOZZLES
• 8.7.1. REMOVAL AND INSTALLATION
• 8.8. THERMOSTAT
• 8.8.1. REMOVAL AND INSTALLATION
• 8.9. COOLING LIQUID PUMP
• 8.9.1. REMOVAL
• 8.9.2. INSTALLATION
• 8.10. TURBOCOMPRESSOR
• 8.11. FRONT COUNTERWEIGHT
• 8.11.1. REMOVAL AND INSTALLATION
• 8.12. RADIATOR GROUP
• 8.12.1. REMOVAL
• 8.12.2. INSTALLATION
• 8.13. CONDENSER
• 8.13.1. REMOVAL AND INSTALLATION
• 8.14. MUFFLER
• 8.14.1. REMOVAL AND INSTALLATION
• 8.15. EXHAUST PIPE
• 8.15.1. REMOVAL AND INSTALLATION
• 8.16. HEAT AND AIRCONDITIONING GROUP
• 8.16.1. REMOVAL
• 8.16.2. INSTALLATION
• 8.17. FUEL TANK
• 8.17.1. REMOVAL AND INSTALLATION
• 8.18. HYDRAULIC OIL TANK
• 8.18.1. REMOVAL AND INSTALLATION
• 8.19. ENGINEGEARBOXPUMP GROUP
• 8.19.1. DISASSEMBLY AND ASSEMBLY
• 8.20. CONVERTOR
• 8.20.1. REMOVAL AND INSTALLATION
• 8.21. TRANSMISSIONREVERSE,DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP
• 8.21.1. REMOVAL AND INSTALLATION
• 8.22. STEERING UNIT
• 8.22.1. REMOVAL AND INSTALLATION
• 8.23. WORKING BRAKE PUMP GROUP
• 8.23.1. REMOVAL AND INSTALLATION
• 8.24. FRONT WORKING EQUIPMENT CONTROL VALVE
• 8.24.1. REMOVAL AND INSTALLATION
• 8.25. FRONT AND BACKHOE CONTROL VALVE
• 8.25.1. DISASSEMBLY AND ASSEMBLY
• 8.26. STEERING SOLENOID VALVE GROUP
• 8.26.1. REMOVAL AND INSTALLATION
• 8.27. FRONT BUCKET BOOMRAISING CYLINDER
• 8.27.1. REMOVAL AND INSTALLATION
• 8.28. FRONT BUCKET TILT CYLINDERS
• 8.28.1. REMOVAL AND INSTALLATION
• 8.29. FRONT BUCKET
• 8.29.1. REMOVAL AND INSTALLATION
• 8.30. FRONT WORKING EQUIPMENT
• 8.30.1. REMOVAL
• 8.30.2. INSTALLATION
• 8.31. BACKHOE CONTROL VALVE
• 8.31.1. REMOVAL
• 8.31.2. INSTALLATION
• 8.32. BACKHOE BOOM CYLINDER
• 8.32.1. REMOVAL AND INSTALLATION
• 8.33. BACKHOE ARM CYLINDER
• 8.33.1. REMOVAL AND INSTALLATION
• 8.34. TELESCOPIC ARM CYLINDER
• 8.34.1. REMOVAL AND INSTALLATION
• 8.35. BACKHOE BUCKET CYLINDER
• 8.35.1. REMOVAL AND INSTALLATION
• 8.36. OUTRIGGER CYLINDERS
• 8.36.1. REMOVAL AND INSTALLATION
• 8.37. BACKHOE SWING CYLINDERS
• 8.37.1. REMOVAL AND INSTALLATION
• 8.38. CYLINDERS
• 8.38.1. DISASSEMBLY
• 8.38.2. ASSEMBLY
• 8.39. BOOM SWING CYLINDER
• 8.39.1. DISASSEMBLY
• 8.39.2. ASSEMBLY
• 8.40. BOOM SAFETY CYLINDER
• 8.40.1. REMOVAL AND INSTALLATION
• 8.41. BACKHOE WORKING EQUIPMENT
• 8.41.1. REMOVAL AND INSTALLATION
• 8.42. BACKHOE BUCKET
• 8.42.1. REMOVAL AND INSTALLATION
• 8.43.1. REMOVAL AND INSTALLATION
• 8.44. TELESCOPIC ARM
• 8.44.1. REMOVAL AND INSTALLATION
• 8.45. d ARM
• 8.45.1. REMOVAL AND INSTALLATION
• 8.46. d ARM GUIDES
• 8.46.1. REMOVAL AND INSTALLATION
• 8.47. BACKHOE BOOM
• 8.47.1. REMOVAL AND INSTALLATION
• 8.48. BACKHOE SWING BRACKET
• 8.48.1. REMOVAL AND INSTALLATION
• 8.49. BACKHOE OUTRIGGERS
• 8.49.1. REMOVAL
• 8.49.2. INSTALLATION
• 9. STANDARD MAINTENANCE
• 9.1. TRANSMISSION
• 9.2. FRONT AXLE
• 9.3. REAR AXLE
• 9.4. HYDRAULIC PUMP
• 9.5. SPOOL CONTROL VALVE
• 9.6. SPOOL CONTROL VALVE
• 9.7. SPOOL CONTROL VALVE
• 9.8. SPOOL CONTROL VALVE
• 9.9. SPOOL CONTROL VALVE
• 9.10. BRAKE PUMP
• 9.11. SHOVEL CYLINDERS
• 9.12. BACKHOE CYLINDERS
• 9.13. FRONT WORKING EQUIPMENT
• 9.14. SWING BRACKET
• 9.15. BACKHOE WORKING EQUIPMENT