SANY LATIN AMERICA
6-44
SY195/205/215/225C9 Crawler Hydraulic Excavator
Testing and Adjusting
Shop Manual - June 2013
4. Measure oil leakage from swing motor
1) Fully extend the work equipment. Lower
the bucket on the ground and raise the
machine slightly. Secure machine from
rotating clockwise or counter clockwise
while testing. Stop the engine.
2) Disconnect the hose (4) and the hose
(5). Plug the hose ends with caps.
3) Start the engine and apply relief pres-
sure to the bottom side of the swing
motor while the engine is running at
high idle. Measure oil leakage under
this condition.
●
Hold the condition described in step 3)
for 30 seconds. Measure oil leakage for
one minute.
●
After the first measurement, turn the
upper structure 180°and measure the
leakage again in the same way.
4) Make sure that the machine returns to
its normal condition after measurement.
4
5
ZXT225-1104006
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