Komatsu Galeo PC138US-8 Shop Manual page 340

SEN02458-01
3. Disconnect CE03 connector (5) of the engine
controller.
k
If the connector is not disconnected,
the engine may starts during test and
that is dangerous. Accordingly, be
sure to disconnect the connector.
k
Since the CE03 connector is the power
supply circuit of the engine controller,
cover the connector on the machine
side with a vinyl sheet etc. to prevent
leak and ground fault.
4. Rotate the engine with the starting motor and
test the compression pressure.
a Test the compression pressure when the
gauge pointer is stabilized.
5. After finishing test, remove the testing instru-
ments and return the removed parts.
a Install the injector and spill hose connector
according to the following procedure.
1) Fit O-ring (8) and gasket (9) to injector (1).
a Do not fit O-ring (8) to groove (a).
12
30 Testing and adjusting
PC138US, USLC-8