OPERATION & MAINTENANCE MANUAL SWE50E/SWE60E/SWE70E/SWE80E9/SWE100
4.5.8.3 Change return filter
Warning
After the engine is stopped, parts and
oil are still in high temperature
which may result in serious burns.
Wait for temperature to cool down.
There is pressure inside hydraulic oil
tank. Release pressure before opening
oil fill cap located on top of
hydraulic oil tank.
To facilitate access, swing upper turret 90
degree, then stop the machine at level
ground.
Position excavator with arm cylinder
fully retracted and bucket cylinder fully
extended.
Lower bucket to ground, run engine
unloaded at low speed for 5 minutes, then
stop the engine, remove key, set pilot
control lever to LOCK position.
Clean up upper hydraulic oil tank to
prevent dirt getting into hydraulic system,
press down lock cap to release internal
pressure.
Clean up upper hydraulic oil tank to
prevent dirt getting into hydraulic system,
press down lock cap to release internal
pressure.
Pull out upper end of bar (3), remove
spring (2) and filter (4).
Check bottom filter shell for dirt, if any
dirt is found, remove it. Pay attention not
to let any dirt get into hydraulic oil tank.
Place removed parts into fresh diesel oil
or washing oil to rinse (except filter),
replace with new filter.
Reinstall filter (4), insert it to the bulge (5)
in oil tank.
When installing, the bulge under cap (1)
must secure spring (2), then use bolt to
fasten it.
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