OPERATION & MAINTENANCE MANUAL SWE50E/SWE60E/SWE70E/SWE80E9/SWE100
4.5.2.4 Clean oil suction filter
Warning
With engine shut, parts and oil are at
high temperature which may lead to
serious burns. Wait until temperature
cools down before starting
maintenance operation.
There is pressure in hydraulic oil
tank. Release pressure first before
opening oil fill cap on top of
hydraulic oil tank.
1) To facilitate access, swing upper turret
45
o
, then stop excavator at level
ground.
2) Position excavator with arm cylinder
completely retracted and bucket
cylinder completely extended.
3) Lower bucket to the ground, run the
engine unloaded at low speed for 5
minutes. Stop the engine, remove key
and set pilot control lever to LOCK
position.
4) Clean up upper hydraulic oil tank to
prevent dirt getting into hydraulic
system. Press lock cap to release
internal pressure.
5) Remove hydraulic oil tank cover 2.
6) Remove oil suction filter and
suspension bar unit 3. Rinse filter. To
replace filter, fix new filter on
suspension bar, tighten bolt at torque:
14.5 to 19.5 Nm (1.5 to 2 kgf·m).
7) Install oil suction filter and suspension
bar unit 3, make sure filter is positioned
on the opening properly.
8) Install tank cover 1, make sure filter
and suspension bar are place in position.
Tighten bolt at torque: 49 Nm (5kgfm).
9) Start engine; run it unloaded at low
speed for roughly 15 minutes to bleed
air in main pump and hydraulic system.
10) Shut down engine.
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