Komatsu PC500LC-10R Shop Manual page 444

TEST ENGINE OIL PRESSURE
2.
Remove the oil pressure pickup plug (2) on the upper part
of the oil filter.
3.
Install the nipple A1 of hydraulic tester A and connect them
to gauge B.
4.
Start the engine.
5.
Select "Pre-defined Monitoring" (01/11) or the following
monitoring items to display it by referring to "SET AND OP-
ERATE MACHINE MONITOR".
6.
Set the engine coolant temperature so that it is within the
testing condition range.
7.
Set the auto-decelerator to be disabled.
8.
Test the oil pressure with fuel control dial at MIN (Low idle)
position, and 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
Engine oil pressure pickup plug (2):
2.0 to 3.9 Nm {0.2 to 0.4 kgm}
2
Engine oil pressure pickup plug (2):
Thread locking fluid (LT-2A)
30-38
30 TESTING AND ADJUSTING
PC500LC-10R