Komatsu Galeo PC138US-8 Shop Manual page 368

SEN02458-01
4. Start the engine and set the working mode in
the power mode (P).
5. Run the engine at high idle and test the oil
pressure with the control lever in neutral and
moved to the stroke end.
a If the output pressure is as follows, the
PPC valve is normal.
Operation of lever
Neutral
Stroke end
6. After finishing test, remove the testing tools
and return the removed parts.
40
Output pressure
2
0 MPa {0 kg/cm }
Almost same as control cir-
cuit basic pressure (See
standard values table)
30 Testing and adjusting
PC138US, USLC-8