Maintenance
Safety, Operation and Maintenance Manual - Aug 2012
5-82
SY115C9/135C/155H Crawler Hydraulic Excavator
6. When the oil level is too high, consult Sany
distributor for inspection.
7. Restore the screw plugs (F) and (L) after
check and tighten them to: 58.8
±
19.6N.m.
5.8.7 Every 1000 service hours
Also perform maintenance for every 100, 250
and 500 service hours in the meantime.
5.8.7.1
Hydraulic oil
fi
lter - replace
When the engine has just been stopped,
the parts and oil are still hot and can cause
serious burn. Wait for the temperature to
cool down before doing the job.
Note:
For machines equipped with a hydraulic
breaker, the hydraulic oil deteriorates faster
than that of machines operating with a bucket.
For more information see
“
Hydraulic Break-
er Service Interval
”
on page 5-27
.
WARNING