Reference Modification no.
- 0 -
Page
102
Date
1997 02 01
Main
914 F
01477
12.3.14) Check of the air filter
See Pic. 50 and 51.
Inspect dry type air filter according to maintenance plan. Clean dirty filter to
maintenance directives of aircraft builder. When used in heavy dust condition
clean air filter at shorter intervals accordingly. If filter mat is damaged, renew
air filter.
â– CAUTION: A dirty filter will not only reduce the engine performance but
might also promote premature wear of the engine.
Cleaning of dry air filter
â– CAUTION: Never use gasoline, steam, caustic liquids, detergents or
high pressure cleaning.
After soaking period, rinse with cold water from inside to outside, shake off
and let it dry naturally.
â–² WARNING: Do not dry over naked flame or with hot air gun. Excessive
heat will shrink the pores of the filter mat.
After cleaning, lubricate filter element evenly with K&N filter oil spray or K&N
filter oil, part no.
897 870
, to achieve optimum filtering effect.
â—† NOTE: Each pleat of filter element to
be sprayed with oil.
After 5 to 10 min. the filter mat will be soaked with
oil, noticeable on the uniform red colouring.
â– CAUTION: Never use gear oil, diesel or
motor oil as they attract water.
â–² WARNING: Besides clamp attachment of
the filters, wire-secure filter
against loss additionally. Filter connection must be free of
oil.
Renewal of dry type air filter
Only use dry type air filters which are specified by the aircraft manufacturer!
Attach new filter, free of grease at connection faces, and wire-secure against
loss.
Pic. 51
Spray K&N filter cleaner onto
entire element and let soak for
approx. 10 min.
Lightly tap and brush off surface
dirt.
Rinse filter with low pressure
water from inside to outside and
let element dry naturally.
Pic. 50
00182
00183
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