Komatsu PC130-7, Руководство по ремонту

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PC130-7
20-141
TESTING AND ADJUSTING
5. Measuring oil leakage from travel motor
1) Run the engine and raise the engine oil tem-
perature to 45 – 55°C, and then remove the
travel motor cover.
2) Run the engine and lock the travel system.
k
Put pin [1] between the sprocket and
track frame to lock the travel system
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.
07376-50422 (Plug No. 04)
4) Run the engine at high idling, 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
Measure the oil leakage for 1 minute
afte r 30 secon ds since r elie vi ng is
started.
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 finishing measurement, return the
removed parts.
MEASURING OIL LEAKAGE
(1)