Komatsu PC400-1 & PC400LC-1 Excavator Repair Manual PDF

Serial Numbers:
PC400-1: 10001 and up
PC400LC-1: 10124 and up
Manuals: Shop Manual
General
Engine
Power Train
Undercarriage
Hydraulic System
Work Equipment
Electrical System
Others
GENERAL
This section lists the general machine dimensions, performance specifications, component weights, and fuel, coolant and lubricant specification charts.
STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.
TESTING, ADJUSTING AND TROUBLESHOOTING

This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating Problems to Causes are also mention in this section.

DISASSEMBLY AND ASSEMBLY KOMATSU Excavator
This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.
If welding repairs are needed, always have a trained, experienced welder carry out the work.
When carrying out welding work, always wear welding gloves, apron, glasses, cap and other clothes suited for welding work.