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Schmidt AS 990 - Filter change

Schmidt AS 990
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Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 164
NOTE
Use only oils that have been approved by
Aebi Schmidt.
NOTE
Dirt in the hydraulic equipment can irreparably
damage hydraulic components. Always change
the hydraulic filter in good time. The highest
levels of cleanliness should be ensured when
changing the filter or changing the oil.
TIP
It is possible to have oil quality checked by
a specialist company. These specialist
companies provide information about whether oil
can still be cleaned or whether it needs changing.
TIP
If oil is sucked out of the hydraulic tank, the oil
should be at a temperature of approximately
50°C.
ENVIRONMENT
Dispose of waste oil in accordance with local
regulations.
22.9.1 Filter change
Take out the filter
Shut off the hydraulic system.
Have the oil collection pan and cleaning cloths
ready in order to catch and remove any oil that
may run out.
Open the filler cap (1) in order to get rid of
pressure in the tank.
Take of the screws (1) on the cover fastening
(4 screws, SW 15) and remove cover (2).
Check the surface of the filter for residual dirt
and larger particles. These impurities can lead
to damage to hydraulic components.
1
1
2

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