Komatsu PW150-1 Wheeled Excavator Shop Manual SEBM020E0104

Description

• Model List:
  • PW150-1 Wheeled Excavator

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. GENERAL VIEW
• 3.2. GENERAL ASSEMBLY DRAWING
• 3.3. SPECIFICATIONS
• 3.4. ENGINE ASSEMBLY DRAWING
• 3.5. ENGINE SPECIFICATIONS
• 3.6. WEIGHT TABLE
• 3.7. TABLE OF OIL AND COOLANT CAPACITIES
• 4. ENGINE
• 4.1. STRUCTURE AND FUNCTION
• 4.1.1. ENGINE MOUNT
• 4.1.2. RADIATOR AND HYDRAULIC OIL COOLER
• 4.1.3. PTO (POWER TAKEOFF)
• 4.1.4. FUEL TANK AND PIPING
• 4.1.5. ENGINE CONTROL
• 4.2. TESTING AND ADJUSTING
• 4.2.1. STANDARDS FOR TESTING AND ADJUSTING
• 4.2.2. TOOLS FOR TESTING AND ADJUSTING
• 4.2.3. ADJUSTING VALVE CLEARANCE
• 4.2.4. TESTING AND ADJUSTING FAN BELT TENSION
• 4.2.5. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 4.2.6. MEASURING BLOWBY
• 4.2.7. MEASURING COMPRESSION PRESSURE
• 4.2.8. LUBRICATION SYSTEM
• 4.2.9. MEASURING EXHAUST GAS COLOR
• 4.2.10. MEASURING COOLANT TEMPERATURE
• 4.3. DISASSEMBLY AND ASSEMBLY
• 4.3.1. ENGINE OIL COOLER
• 4.3.2. FUEL INJECTION PUMP
• 4.3.3. RADIATOR AND HYDRAULIC OIL COOLER
• 4.4. STRUCTURE AND FUNCTION
• 4.4.1. POWER TRAIN
• 4.4.1.1. OUTLINE
• 4.4.1.2. SCHEMATIC OF POWER TRAIN
• 4.4.1.3. HYDRAULIC CIRCUIT DIAGRAM
• 4.4.2. TRAVEL SYSTEM
• 4.4.2.1. OUTLINE
• 4.4.2.2. SCHEMATIC OF TRAVEL SYSTEM
• 4.4.2.3. HYDRAULIC CIRCUIT DIAGRAM
• 4.4.2.4. CENTER SWIVEL JOINT
• 4.4.2.5. TRAVEL MOTOR AND BRAKE VALVE
• 4.4.2.6. TRAVEL SHUTTLE VALVE
• 4.4.2.7. TRAVEL SUCTION VALVE
• 4.4.2.8. TRANSMISSION
• 4.4.2.9. TRAVEL CONTROL SYSTEM
• 4.4.3. SWING SYSTEM
• 4.4.3.1. OUTLINE
• 4.4.3.2. SCHEMATIC OF SWING SYSTEM
• 4.4.3.3. HYDRAULIC CIRCUIT DIAGRAM
• 4.4.3.4. SWING MOTOR AND BRAKE VALVE
• 4.4.3.5. SWING MACHINERY
• 4.4.3.6. SWING CIRCLE
• 4.5. DISASSEMBLY AND ASSEMBLY
• 4.5.1. CENTER SWIVEL JOINT
• 4.5.2. TRAVEL BRAKE VALVE
• 4.5.3. SWING MOTOR AND BRAKE VALVE
• 4.5.3.1. DISMOUNTING
• 4.5.3.2. MOUNTING
• 4.5.4. SWING MACHINERY
• 4.6. MAINTENANCE STANDARD
• 4.6.1. CENTER SWIVEL JOINT
• 4.6.2. TRAVEL BRAKE VALVE
• 4.6.3. TRAVEL SHUTTLE VALVE
• 4.6.4. TRAVEL SUCTION VALVE
• 4.6.5. TRANSMISSION
• 4.6.6. SWING MACHINERY
• 4.6.7. SWING CIRCLE
• 5. STEERING SYSTEM
• 5.1. STRUCTURE AND FUNCTION
• 5.1.1. STEERING SYSTEM
• 5.1.1.1. OUTLINE
• 5.1.1.2. SCHEMATIC OF STEERING SYSTEM
• 5.1.1.3. HYDRAULIC CIRCUIT DIAGRAM
• 5.1.1.4. STEERING PUMP
• 5.1.1.5. STEERING MAIN RELIEF VALVE
• 5.1.1.6. STEERING VALVE
• 5.1.1.7. STEERING CYLINDER
• 5.1.1.8. SCHEMATIC OF BRAKE SYSTEM
• 5.1.1.9. PNEUMATIC CIRCUIT DIAGRAM
• 5.1.1.10. BRAKE VALVE
• 5.1.1.11. SHUTTLE VALVE (DOUBLE CHECK VALVE)
• 5.1.1.12. AIR MASTER
• 5.1.1.13. WHEEL BRAKE
• 5.1.1.14. PARKING BRAKE
• 5.1.1.15. PARKING BRAKE CHAMBER
• 5.1.1.16. WAY CONTROL VALVE
• 5.1.1.17. QUICKRELEASE VALVE
• 5.1.2. SUSPENSION SYSTEM
• 5.1.2.1. OUTLINE
• 5.1.2.2. SCHEMATIC OF SUSPENSION SYSTEM
• 5.1.2.3. HYDRAULIC AND PNEUMATIC CIRCUIT DIAGRAM
• 5.1.2.4. SUSPENSION LOCK VALVE
• 5.1.2.5. SUSPENSION LOCK CYLINDER
• 5.2. TESTING AND ADJUSTING
• 5.2.1. TESTING AND ADJUSTING TOEIN
• 5.2.2. ADJUSTING MAXIMUM TURNING ANGLE OF FRONT WHEELS
• 5.2.3. ADJUSTING PARKING BRAKE
• 5.2.4. ADJUSTING PARKING BRAKE ROD
• 5.2.5. BLEEDING AIR FROM BRAKE CIRCUIT
• 5.3. DISASSEMBLY AND ASSEMBLY
• 5.3.1. STEERING PUMP
• 5.3.1.1. DISMOUNTING
• 5.3.1.2. MOUNTING
• 5.3.2. STEERING MAIN RELIEF VALVE
• 5.3.2.1. DISASSEMBLY
• 5.3.2.2. ASSEMBLY
• 5.3.3. STEERING CYLINDER
• 5.3.4. DIFFERENTIAL (FRONT)
• 5.3.4.1. DISMOUNTING
• 5.3.4.2. MOUNTING
• 5.3.5. DIFFERENTIAL (REAR)
• 5.3.5.1. DISMOUNTING
• 5.3.5.2. MOUNTING
• 5.3.5.3. DISASSEMBLY
• 5.3.5.4. ASSEMBLY
• 5.3.6. AIR MASTER ASSEMBLY
• 5.3.6.1. DISMOUNTING
• 5.3.6.2. MOUNTING
• 5.3.7. DISC PLATE (REAR)
• 5.3.8. SUSPENSION LOCK VALVE
• 5.3.8.1. DISMOUNTING
• 5.3.8.2. MOUNTING
• 5.3.9. SUSPENSION LOCK CYLINDER
• 5.3.9.1. DISMOUNTING
• 5.3.9.2. MOUNTING
• 5.3.9.3. DISASSEMBLY
• 5.3.9.4. ASSEMBLY
• 5.4. MAINTENANCE STANDARD
• 5.4.1. STEERING PUMP
• 5.4.2. STEERING CYLINDER
• 5.4.3. FINAL DRIVE AND DIFFERENTIAL
• 5.4.4. KING PIN AND KNUCKLE AND TIEROD
• 5.4.5. WHEEL BRAKE
• 5.4.6. PARKING BRAKE
• 5.4.7. SUSPENSION LOCK CYLINDER
• 6. AIR SYSTEM
• 6.1. STRUCTURE AND FUNCTION
• 6.1.1. AIR SYSTEM
• 6.1.1.1. OUTLINE
• 6.1.1.2. SCHEMATIC OF AIR SYSTEM
• 6.1.1.3. PNEUMATIC CIRCUIT DIAGRAM
• 6.1.1.4. AIR GOVERNOR
• 6.1.1.5. PARKING LAMP SWITCH
• 6.1.1.6. LOW PRESSURE INDICATOR SWITCH
• 6.1.1.7. PRESSURE REGULATOR VALVE
• 6.1.1.8. STOP LAMP SWITCH
• 7. HYDRAULIC SYSTEM
• 7.1. STRUCTURE AND FUNCTION
• 7.1.1. HYDRAULIC SYSTEM
• 7.1.1.1. OUTLINE
• 7.1.1.2. SCHEMATIC OF HYDRAULIC SYSTEM
• 7.1.1.3. HYDRAULIC CIRCUIT DIAGRAM
• 7.1.1.4. HYDRAULIC TANK AND FUEL TANK
• 7.1.1.5. HYDRAULIC PUMP
• 7.1.1.6. CONTROL VALVE
• 7.1.2. WORK EQUIPMENT HYDRAULIC SYSTEM
• 7.1.2.1. BOOM, ARM AND BUCKET
• 7.1.2.2. OUTRIGGER
• 7.1.2.3. LEFT AND RIGHT INDEPENDENT OUTRIGGERS
• 7.1.2.4. FRONT OUTRIGGER AND REAR EQUIPMENT
• 7.1.2.5. DOZER BLADE (IF EQUIPPED)
• 7.1.3. PPC CONTROL SYSTEM
• 7.1.3.1. OUTLINE
• 7.1.3.2. SCHEMATIC OF PPC CONTROL SYSTEM
• 7.1.3.3. PPC VALVE
• 7.1.3.4. PPC SHUTTLE VALVE
• 7.1.3.5. SOLENOID VALVE
• 7.2. TESTING AND ADJUSTING
• 7.2.1. STANDARD FOR TESTING AND ADJUSTING
• 7.2.2. TESTING TRAVEL OF CONTROL LEVERS
• 7.2.3. TESTING OPERATING FORCE OF CONTROL LEVERS
• 7.2.4. MEASURING OIL TEMPERATURE
• 7.2.5. MEASURING LEAKAGE OF SWING AND TRAVEL MOTOR
• 7.2.6. MEASURING HYDRAULIC DRIFT OF WORK EQUIPMENT
• 7.2.7. BLEEDING AIR
• 7.2.8. MEASURING PLACE OF OIL PRESSURE
• 7.2.9. ADJUSTING PLACE OF HYDRAULIC PRESSURE
• 7.2.10. TESTING AND ADJUSTING MAIN RELIEF VALVE
• 7.2.11. CHECKING HYDRAULIC ASSIST SYSTEM
• 7.2.12. TROUBLESHOOTING
• 7.2.12.1. FORWARDREVERSE SELECTOR IS INOPERATED
• 7.2.12.2. WORK EQUIPMENT SPEED IS SLOW, OR THERE IS NO POWER
• 7.2.12.3. MACHINE SPEED IS SLOW
• 7.2.12.4. SWING SPEED IS SLOW
• 7.2.12.5. ENGINE STALLS OR SPEED DROPS EXCESSIVELY DURING OPERATIONS
• 7.2.12.6. UPPER STRUCTURE DOES NOT SWING
• 7.3. DISASSEMBLY AND ASSEMBLY
• 7.3.1. L .H . 7SPOOL CONTROL VALVE
• 7.3.1.1. DISMOUNTING
• 7.3.1.2. MOUNTING
• 7.3.1.3. DISASSEMBLY
• 7.3.1.4. ASSEMBLY
• 7.3.2. R .H . 5SPOOL CONTROL VALVE
• 7.3.2.1. DISMOUNTING
• 7.3.2.2. MOUNTING
• 7.3.3. SAFETY VALVE AND SUCTION VALVE
• 7.3.3.1. DISASSEMBLY
• 7.3.3.2. ASSEMBLY
• 7.3.4. MAIN RELIEF VALVE
• 7.3.4.1. DISASSEMBLY
• 7.3.4.2. ASSEMBLY
• 7.3.5. SLOW RETURN VALVE
• 7.3.6. BUCKET CYLINDER
• 7.3.6.1. DISMOUNTING
• 7.3.6.2. MOUNTING
• 7.3.7. OUTRIGGER CYLINDER
• 7.3.7.1. DISMOUNTING
• 7.3.7.2. MOUNTING
• 7.3.8. HYDRAULIC CYLINDER
• 7.3.8.1. DISASSEMBLY
• 7.3.8.2. ASSEMBLY
• 7.3.9. HYDRAULIC CYLINDER PISTON RING AND WEAR RING
• 7.3.9.1. DISMOUNTING
• 7.3.9.2. MOUNTING
• 7.4. MAINTENANCE STANDARD
• 7.4.1. L .H . 7SPOOL CONTROL VALVE
• 7.4.2. R .H . 5SPOOL CONTROL VALVE
• 7.4.3. CONTROL PUMP
• 7.4.4. SLOW RETURN VALVE
• 7.4.5. HYDRAULIC CYLINDER
• 8. WORK EQUIPMENT
• 8.1. STRUCTURE AND FUNCTION
• 8.1.1. WORK EQUIPMENT
• 8.1.1.1. BOOM, ARM AND BUCKET
• 8.1.1.2. REAR OUTRIGGER
• 8.1.1.3. FRONT OUTRIGGER (IF EQUIPPED)
• 8.1.1.4. DOZER BLADE IF (IF EQUIPPED)
• 8.2. DISASSEMBLY AND ASSEMBLY
• 8.3. MAINTENANCE STANDARD
• 8.3.1. WORK EQUIPMENT
• 9. ELECTRIC AND ELECTRONIC SYSTEM
• 9.1. STRUCTURE AND FUNCTION
• 9.1.1. ELECTRIC AND ELECTRONIC SYSTEM
• 9.1.1.1. OUTLINE
• 9.1.1.2. ELECTRIC CIRCUIT DIAGRAM
• 10. OTHERS
• 10.1. OTHERS
• 10.1.1. OPERATORS CAB HEATER
• 10.1.2. OVERLOAD WARNING DEVICE (IF EQUIPPED)