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4.3.26 Cleaning air filter element (non-paper element)
Remove the air filter cover and the element. Dip the element in warm neutral cleaning liquid to remove oily dirt on it.
Do not use brush for cleaning. Dry the element after cleaning. Flushing afterward with clean water is necessary when
non-neutral claneing liquid is used. Check the element for any damage after cleaning. Install the element and make
sure a sound seal at both ends. Install the cover.
Caution: Be sure that both end faces of the air filter are reliably sealed without leakage after the air filter
element has been changed.
4.3.27 Servicing primary air filter
(1) Remove the upper part of the air filter (primary air
filter)
(2) Blow off the dust in the tubes and on the housing
with pressure air.
(3) Reinstall the filter.