Komatsu PC200-8M0 Shop Manual page 409

101 Testing and adjusting, Part 1
Testing oil leakage
5. Measuring oil leakage from travel motor
1) Remove the travel motor cover.
2) Run the engine, lock the sprocket, and
stop the engine.
k
Put pin [1] between the sprocket
and track frame to lock the travel
mechanism securely.
3) Disconnect drain hose (5) of the travel
motor and block the hose side with a plug.
a Use the following part to block the
hose side.
07376-70422 (Plug #04)
4) Run the engine at high idle, relieve the
travel circuit, and measure the oil leakage.
k
Before operating the travel lever,
check the position and locking
direction of the locked sprocket
again.
k
Wrong operation of the lever can
cause an accident. Accordingly,
make signals and checks securely.
a Start measuring the oil leakage 30
seconds after relieving is started and
measure for 1 minute.
a Measure several times, moving the
motor a little (changing the position of
the valve plate and cylinder and that
of the cylinder and piston) each time.
PC200, 200LC, 220, 220LC-8M0
5) After finishing measurement, return the
removed parts.
SEN06127-00
57
30-101