Komatsu PC240LC-10 Excavator Service Manual

Table of Contents

01 GENERAL
10 STRUCTURE AND FUNCTION
20 STANDARD VALUE TABLES
30 TESTING AND ADJUSTING
40 TROUBLESHOOTING
50 DISASSEMBLY AND ASSEMBLY
60 MAINTENANCE STANDARD
80 AIR CONDITIONER
90 DIAGRAMS AND SCHEMATICS

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 you drain the coolant or disconnect the heater hose when the coolant temperature is high, you may be scalded. In this case, wait until the coolant temperature lowers and then drain the coolant or disconnect the heater hose.
If refrigerant gas (R134a) gets in your eyes, you may lose your sight. If it touches your skin, you may suffer frostbite. Accordingly, put on protective eyeglasses, gloves and working suits with long sleeves while you are collecting or filling the refrigerant (R134a).