OPERATION & MAINTENANCE MANUAL SWE18UF
68
6)
Keep your body and face far away from oil outlet plug.
7)
Loosen vent plug at the bottom of hydraulic oil tank after oil cools down, vent water and
sediments.
8)
Screw down vent plug after water and sediments
have been vented.
Replace
hydraulic
oil…every 1000
or
1500 hours
Clean oil suction filter element, oil return filter
element
…when replacing hydraulic oil
1)
For easy access, rotate upper-carriage 90
o
，
and park
the machine on level ground.
2)
Arm cylinder extracts and bucket cylinder extends
completely to fix excavator.
3)
Lower the bucket to ground.
4)
Run engine at low revs for 5 minutes.
5)
Stop engine, and take out key.
6)
Pull pilot control lever to lock position.
1)
Release oil vent plug
③
at the bottom of hydraulic oil
tank by spanner to vent the oil. And fill the scrap oil into
some kind of container.
2)
Release the rubber hose connecting oil return hole flange
The hydraulic oil may be hot,
cool
it
down
before
operation.
The replacement interval of
hydraulic oil is different with
its specification. (Refer to the
recommended oil table of this
part)
Before screwing the screw plug, or
separating the oil pipe, stand at the
side of the part, screw it slowly to
release pressure, and keep your face
and body away from the screw plug.
