MOONEY SECTION Vlll
MODEL M20J HANDLING, SERVICE
&
MAINTENANCE
Your Mooney Service Center has approved brands of lubricating oil and all
consumable materials necessary to service your airplane.
INDUCTION AIR FILTER SERVICING
The importance of keeping the induction air filter clean cannot be over-em-
phasized.
A clean filter promotes fuel economy and longer engine life. The
dry-type filter can usually be washed six to eight times before replacement is
necessary. Replace the induction air filter every
500
HOURS or at
ONE
YEAR intervals, whichever occurs first.
1.
To clean the dry-type induction air filter:
a. Remove the engine cowling.
b. Unbolt filter element and remove.
c. Direct a jet of air against down or clean side of filter (opposite to normal
airflow). Keep air nozzle at least two inches from filter element. Cover entire fil-
ter area with air jet.
"
CAUTION
N
N
N N
N
N
N N
Do not use a compressor unit with a nozzle pressure
greater than 100 PSI.
d.
After cleaning, inspect filter and gasket for damage. Discard a ruptured fil-
ter or broken gasket.
If filter shows an accumulation of carbon, soot, or oil,
continue with cleaning steps e through h.
e. Soak filter in nonsudsing detergent for
15
minutes; then agitate filter back
and forth for two to five minutes to free filter element of deposits.
-----------
I
NOTE
I
A Donaldson D-1400 Filter Cleaner is also recommended.
Do not use solvents.
f. Rinse filter element with a stream of clear water until rinse water is clear.
g.
Dry filter thoroughly. Do not use a light bulb or air heated above
180
degrees
F.
(82
Deg. C) for filter drying.
h.
Inspect for damage and ruptures by holding filter before a light bulb.
If
damage is evident, replace filter with a new one.
REV.B
6-1
2-87
ISSUED
6-2-86
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