Komatsu PW05-1 Hydraulic Excavator Shop Manual SEBM020L0101

Description

• Model List:
  • PW05-1 Hydraulic Excavator

• 1. COVER
• 2. CONTENTS
• 3. STRUCTURE AND FUNCTION
• 3.1. BRAKE MASTER CYLINDER
• 3.2. BRAKE
• 3.3. TRAVEL CONTROL
• 3.4. SWING CIRCLE
• 3.5. STEERING SYSTEM
• 3.6. HYDRAULIC PIPING
• 3.7. HYDRAULIC CIRCUIT DIAGRAM
• 3.8. WORK EQUIPMENT CONTROL
• 3.9. HYDRAULIC TANK
• 3.10. HYDRAULIC PUMP
• 3.11. SWING MOTOR
• 3.12. TRAVEL MOTOR
• 3.13. STEERING VALVE,PRIORITY VALVE
• 3.14. SUSPENSION LOCK VALVE
• 3.15. SPOOL CONTROL VALVE
• 3.16. CENTER SWIVEL JOINT
• 3.17. WORK EQUIPMENT
• 3.18. ELECTRIC CIRCUIT DIAGRAM
• 4. TESTING AND ADJUSTING
• 4.1. TABLE OF JUDGEMENT STANDARD VALUE
• 4.2. TOOL LIST FOR TESTING AND ADJUSTING
• 4.3. PARKING BRAKE LEVER ADJUSTMENT
• 4.4. PARKING BRAKE INTERLOCK ADJUSTMENT
• 4.5. BRAKE CIRCUIT AIR BLEEDING
• 4.6. BRAKE PEDAL STROKE ADJUSTMENT
• 4.7. BRAKE PEDAL LOCK LEVER ADJUSTMENT
• 4.8. MEASURING HYDRAULIC OIL TEMPERATURE
• 4.9. MEASURING AND ADJUSTING HYDRAULIC OIL TEMPERATURE
• 4.10. MEASURING LEAKAGE INSIDE HYDRAULIC CYLINDER
• 4.11. BLEEDING AIR FROM HYDRAULIC CYLINDER
• 4.12. TROUBLESHOOTING
• 4.12.1. METHOD OF USING TROUBLESHOOTING TABLES
• 4.12.2. TRAVEL SYSTEM
• 4.12.2.1. TRAVEL SPEED IS LOW OR LACKS POWER
• 4.12.2.2. MACHINE DOES NOT MOVE
• 4.12.3. STEERING SYSTEM
• 4.12.3.1. STEERING DOES NOT TURN
• 4.12.3.2. STEERING WHEEL IS HEAVY
• 4.12.3.3. STEERING WHEEL WOBBLES OR THERE IS EXCESSIVE SHOCK
• 4.12.3.4. MACHINE DEVIATES TO ONE SIDE NATURALLY WHEN TRAVELING
• 4.12.4. WORK EQUIPMENT
• 4.12.4.1. INSUFFICIENT BUCKET RETRACTION(EXTENSION)/BOOM SWING FORCE,INSUFFICIENT BOOM RAISING FORCE(INCLUDING INSUFFICIENT SPEED)
• 4.12.4.2. INSUFFICIENT ARM RETRACTION(EXTENSION)/TURNING FORCE,INSUFFICIENT BLADE FORCE(INCLUDING INSUFFICIENT SPEED)
• 4.12.4.3. BOOM/BUCKET SWING FAILURE
• 4.12.4.4. ARM/BLADE TURNING FAILURE
• 4.12.4.5. HYDRAULIC DRIFT IS EXCESSIVE
• 4.12.4.6. HYDRAULIC DRIFT OF SWING ON SLOPE IS EXCESSIVE
• 4.12.4.7. EXCESSIVE OVERRUN WHEN SWING STOPS
• 4.12.5. BRAKE SYSTEM
• 4.12.5.1. BRAKE MALFUNCTIONING
• 4.12.5.2. BRAKE NOT RELEASED AT ALL OR NOT RELEASED COMPLETELY
• 5. DISASSEMBLY AND ASSEMBLY
• 5.1. TRANSFER CENTER BRAKE
• 5.2. CENTER SWIVEL JOINT
• 5.2.1. REMOVAL
• 5.2.2. INSTALLATION
• 5.2.3. DISASSEMBLY
• 5.2.4. ASSEMBLY
• 5.3. SPOOL CONTROL VALVE
• 5.3.1. REMOVAL
• 5.3.2. INSTALLATION
• 5.3.3. DISASSEMBLY
• 5.3.4. ASSEMBLY
• 6. MEINTENANCE STANDARD
• 6.1. TRANSFER
• 6.2. CENTER BRAKE
• 6.3. WHEEL BRAKE
• 6.4. SWING CIRCLE
• 6.5. STEEING,SUSPENSION SYSTEM
• 6.6. HYDRAULIC PUMP
• 6.7. SPOOL CONTROL VALVE
• 6.8. HYDRAULIC CYLINDER
• 6.9. WORK EQUIPMENT