Komatsu PC750-6, PC750LC-6, PC800-6 Excavator Repair Service Manual

Table of Contents

Komatsu PC750-6, PC750LC-6, PC800-6 Manual

Main sections and selected subjects identified in the source documentation:

• Serial Numbers
• SEAW001803
• Manuals: Shop Manual
• 10 STRUCTURE, FUNCTION
• 20 TESTING AND ADJUSTING
• 30 REMOVAL AND INSTALLATION
• 40 MAINTENANCE STANDARD
• GENERAL
• STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• TESTING, ADJUSTING AND TROUBLESHOOTING
• DISASSEMBLY AND ASSEMBLY KOMATSU Excavator
• Measure the engine oil pressure under the following conditions.
• Coolant temperature: Within operating range
• Remove oil low-pressure switch (1) or oil high-pressure switch (2).
• After removing the switch, wind the wiring harness with tape to prevent it from contacting the cylinder block.
• Install nipple q of oil pressure gauge C2, then connect to the oil pressure gauge.
• Start the engine and measure the oil pressure with the engine at low idling and high idling.
• After completing the measurement, remove the measuring equipment and set to the original condition.
• Oil pressure switch : 2.9 5.9 Nm {0.3 0.6 kgm}