Test Engine Oil Pressure; Method For Testing Engine Oil Pressure By Machine Monitor; Method For Testing Engine Oil Pressure By Testing Tool - Komatsu PC500LC-10R Shop Manual

30 TESTING AND ADJUSTING

TEST ENGINE OIL PRESSURE

Tools for testing engine oil pressure
Symbol Part No.
- 799-101-5002
A
1 799-101-5160
B 799-401-2320
k
Place the machine on a level ground, and then lower the work equipment completely to the ground in
a stable posture. Set the lock lever to LOCK position, and then stop the engine.
k
Parts and oil are still very hot immediately after the engine is stopped. It may cause burn injury. Wait
for the temperature to go down, and then start the work.
Check this item under the following conditions.
Engine coolant temperature: 60 to 100 °C
For testing the engine oil pressure to perform troubleshooting, refer to this section.

METHOD FOR TESTING ENGINE OIL PRESSURE BY MACHINE MONITOR

1.
Start the engine.
2.
Select "Pre-defined Monitoring" (01/11) or the following
monitoring items to display it by referring to "SET AND OP-
ERATE MACHINE MONITOR".
Monitoring code: 37200 "Engine Oil Pressure Sensor"
3.
Set the engine coolant temperature so that it is within the
testing condition range.
4.
Set the auto-decelerator to be disabled.
5.
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.

METHOD FOR TESTING ENGINE OIL PRESSURE BY TESTING TOOL

1.
Open the cover (1) on the left side of the machine.
PC500LC-10R
Part name
Hydraulic tester
Nipple
Gauge
TEST ENGINE OIL PRESSURE
Q'ty Remarks
1
1 Size: R1/8
1 Pressure range: 1 MPa
30-37