Komatsu ecot3 PC300LC-8 Shop Manual page 398

SEN02625-06
3) Disconnect drain hose (5) of the travel motor
and fit an oil stopper plug in the hose end.
4) Run the engine at high idle, relieve the travel
circuit, and measure the oil leakage.
k
Wrong operation of the lever can
cause an accident. Accordingly, make
signs and checks securely.
a Start measuring the oil leakage 30 sec-
onds after relieving is started and mea-
sure 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.
5) After the measurement, make sure that the
machine is back to normal condition.
58
30 Testing and adjusting
PC300, 350-8