Mooney M20J 1978, Pilot Operating Handbook

Page: 158 / 164

Your Service Center bas brands of
oil and a l l consumable necessary
t o service your airplane.
A I R FILTER
of keeping the induction a i r filter
cannot be over- emphasized, A clean filter promotes
economy and longer life. The dry-type Donaldson
filter can be washed t o eight t i m e s before
is necessary. Replace the induction, a i r
filter every 500 hours or a t one-year intervals, whichever
occurs f i r s t .
the dry-type induction a i r filter:
a . Remove t h e top engine cowling.
Remove filter element.
Direct a jet of a i r against down or clean side of
filter (opposite t o normal airflow).
Keep
a t inches from filter element.
Cover filter a r e a with jet.
Do not
use
a
compressor
a
nozzle p r e s s u r e
PSI,
After cleaning, inspect filter and gasket for
damage. Discard a or broken
gasket.
filter shows a n of carbon,
soot, o r oil, continue with cleaning s t e p s
filter in detergent
minutes; then agitate filter back and forth
two t o five minutes t o f r e e element
deposits.