Komatsu PC228US-3 and PC228USLC-3 Excavator Repair Service Manual

Table of Contents

Komatsu PC228US-3 and PC228USLC-3 Manual

Main sections and selected subjects identified in the source documentation:

• Serial Numbers
• 20001 and up
• 30001 and up
• Manuals: Shop Manual
• 01 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
• 10 STRUCTURE AND FUNCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
• 20 TESTING, ADJUSTING AND TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
• 30 DISASSEMBLY AND ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-1
• 90 OTHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90-1
• GENERAL
• STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• TESTING, ADJUSTING AND TROUBLESHOOTING
• DISASSEMBLY AND ASSEMBLY KOMATSU Excavator PC228US-3 and PC228USLC-3
• When raising heavy components, use a hoist or crane. Check that the wire rope, chains and hooks are free from damage.
• MANUAL EXTRACT
• TESTING AND ADJUSTING FUEL INJECTION TIMING
• Testing
• 1) Remove the engine hood, then remove the counterweight for maintenance at the rear of chassis (engine end).
• 3) Remove plug (2), reverse timing pin (3), and check that pin (3) is meshed with timing pin pointer (4) at the injection pump side.
• Adjusting
• If the timing pin does not mesh i) Remove the fuel injector pump.
• For details, see REMOVAL OF FUEL INJECTION PUMP ASSEMBLY.
• ii) Rotate the camshaft of the injection pump and mesh timing pin (3) with timing pin pointer (4).
• iii) Install the fuel injection pump assembly.
• For details, see INSTALLATION OF