Komatsu PC128US-2, PC138US-2 and PCN138USLC-2E0 Excavator Repair Service Manual

Table of Contents

Komatsu PC128US-2, PC138US-2 and PCN138USLC-2E0 Manual

Main sections and selected subjects identified in the source documentation:

• PC128US-2: 5001-7730 and up (avance)
• PC138US-2: 7731 and up (GALEO)
• PC138US-2: 4501 and up (GALEO)
• PC138USLC-2E0: 1001 and up (GALEO)
• Manuals: Shop Manual
• 01 GENERAL
• 10 STRUCTURE AND FUNCTION
• 20 TESTING AND ADJUSTING
• 30 DISASSEMBLY AND ASSEMBLY
• 40 MAINTENANCE STANDARD
• 90 OTHERS
• GENERAL
• STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• TESTING, ADJUSTING AND TROUBLESHOOTING
• DISASSEMBLY AND ASSEMBLY KOMATSU Excavator PC128US-2, PC138US-2 and PCN138USLC-2E0
• When raising heavy components, use a hoist or crane. Check that the wire rope, chains and hooks are free from damage.
• Manual Extract
• Precautions given below when carrying out the operation.
• Precautions when carrying out removal work
• If the coolant contains antifreeze, dispose of it correctly.
• After disconnecting hoses or tubes, cover them or fit blind plugs to prevent dirt or dust from entering.
• When draining oil, prepare a container of adequate size to catch the oil.
• Fit wires and hoses with tags to show their installation position to prevent any mistake when installing.
• Check the number and thickness of the shims, and keep in a safe place.
• When raising components, be sure to use lifting equipment of ample strength.
• When using forcing screws to remove any components, tighten the forcing screws uniformly in turn.
• Before removing any unit, clean the surrounding area and fit a cover to prevent any dust or dirt from entering after removal.
• a Precautions when handling piping during disassembly
• Fit the following blind plugs into the piping after disconnecting it during disassembly operations.