Komatsu Galeo PC800-8 Shop Manual page 373

30 Testing and adjusting
2) Install the nipple (R1/8) of hydraulic tester
Q1 or nipple Q4 (10 × 1.25 mm) and con-
nect it to oil pressure gauge [1].
a Use nipple (R1/8) for adapter of size #03
and nipple Q4 for adapter of size #04.
a Use a pressure gauge of 6.0 MPa {60
kg/cm }
2
a The following figure shows the measur-
ing devices installed to the outlet hose of
the PPC lock solenoid valve.
3) Run the engine at high idle, set the condition
or operate the control levers as shown in the
table, and measure the output pressure.
a When operating the work equipment-
swing or travel control lever, operate it
finely to a degree that the PPC oil pres-
sure switch is turned ON.
a If the solenoid valve outlet pressure is as
shown in the table, the solenoid valve is
normal.
4) After finishing measurement, remove the
measuring instruments and return the
removed parts.
PC800, 850-8
SEN00912-02
7