Komatsu PC500LC-10R Shop Manual page 446

TEST FUEL PRESSURE
3.
Install the nipple A1 of hydraulic tester A and connect them
to gauge B.
4.
Start the engine.
5.
Select and display "Pre-defined Monitoring" (01/11) by re-
ferring to "SET AND OPERATE MACHINE MONITOR".
6.
Set the engine coolant temperature so that it is within the
testing condition range.
7.
Test the fuel pressure when the fuel control dial is turned
to MAX (High idle) position.
For standard values, see STANDARD VALUE TABLE,
"STANDARD VALUE TABLE FOR ENGINE".
Remove the testing tools and restore the machine after the test is finished.
3
Fuel pressure pickup plug (2):
2.0 to 3.9 Nm {0.2 to 0.4 kgm}
2
Fuel pressure pickup plug (2):
Thread locking fluid (LT-2A)
30-40
30 TESTING AND ADJUSTING
PC500LC-10R