Maintenance
Safety, Operation and Maintenance Manual - Aug 20125-94
SY115C9/135C/155H Crawler Hydraulic Excavator
5. Remove the cap of the oil fi ller (F) .
6. Place a container under the drain plug.
Remove the drain plug (P) with the lever
in order to drain the oil. Check the O-ring
on the drain plug (P) and replace it timely if
broken. Tighten the plug (P) after draining.
●
Tightening torque: 927±103N·m (94.6
± 10.5 kgf·m or 683.5 ± 76.0lbft)
●
Do not get oil on your body when re-
moving the drain plug (P).
7. Fill the hydraulic oil as required through the
fi ller (F). Check the oil level, which shall be
between the H and L marks of dipstick.
●
For more information on applicable hy-
draulic oil see “Recommended Flu-
ids” on page 5-17.
●
For more information on oil level inspec-
tion see “Cooling system - clean”
on page 5-37.
8. Eliminate air from the hydraulic circuit.
For more information on elimination of air
from the hydraulic circuit see “Hydraulic
Breaker Service Interval” on page 5-27.
F
P
CZ335-1104103
Fig. 5-110
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