SANY LATIN AMERICA
6-45
SY195/205/215/225C9 Crawler Hydraulic Excavator
Testing and Adjusting
Shop Manual - June 2013
5. Measure oil leakage from travel motor
1) Remove the cover of the travel motor.
2) Start the engine and lock the travel
mechanism.
NOTE: Insert pin (1) between the
sprocket and the track frame to lock the
travel mechanism.
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ZXT215-1004014
1
ZXT215-1004004
3) Disconnect the drain hose (6) of the
travel motor. Plug the hose end with a
cap.
4) Start the engine and apply relief pres-
sure to the bottom side of the travel
motor while the engine is running at
high idle. Measure oil leakage under
this condition.
●
Hold the condition described in step 4)
for 30 seconds. Measure oil leakage for
one minute.
●
Rotate the motor slightly. Change the
positions of the valve plate and the
travel motor and of the cylinder and pis-
ton. Repeat the measurement several
times.
5) Make sure that the machine returns to
its normal condition after measurement.
WARNING
●
During measurement, mis-operation of
the control levers can cause serious ac-
cidents. Make sure that all signals are
given correctly.
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