Maintenance
Safety, Operation and Maintenance Manual - Aug 2012
5-94
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