Piper PA-24 Comanche Service Manual page 410

PIPER COMANCHE SERVICE MANUAL
7B·19. Induction
5y5_
Air FUtu.
7B·20. Removal Of Air Fiker.
a.
Remove the bottom cowl accal panel by looscnint the quarter
Ntft
fasteners.
b. Loosen clamp and remove air intake hose
from
filter box.
c. Releue the fucenm and
remove
the
air
box.
d. Remove the air mtet from the air box.
7B-21. Serrice
huaucdo....
a. The f.&1tet should be cleaned daily when operating
in
clUK)" conditions and if any holes or tcan are
noticed. the rdter should be replaced immediately.
b. Remove the falter elemmt and shake off loOK dirt by tappinJ on a
bud surface. beiDl careful not
to damage or c:rcuc the scaling ends.
CAUTION
Never wash the mtet element in any liquid or soak in oil. Never attempt
to blow off dirt with compl'CSICd air.
7B·21. Insca11atioll Of
Air
FD• •
a.
Place air filter
in air box and install on backing plate.
b.
Secure box to plate with cam10e fasteners.
c.
Install air intake hose on fUter box and secure with clamp.
d. lnsall bottom cowl accCSl plate and
secure
with futencrs.
iB·23. AltmWC Air Door. The a1tcmate air door. located in the induction system on the bade side of the
injector air box.
is
to provide a source of air should there be an air stapp. through the filter system. The
foUowing should be cheeked duriDJ inspection:
a. AUdoor seals are titht and binI'S secure.
b.
Actuate the door to decennial! that it
is
not sticking or bindin,.
c. Check that the spriftl tension of the door is tight enou,h to allow the door to remain closed at full
engine
Ri."' .
yet should there be an air StOpP. it will be drawn open.
7B-24. Fucllnjector.
7B·2'. Fuel Injector )taintenaDce.
1.
In general. little attention is required between iajel:tor overhauls. However. it is recommended that
the following items
be
checked during periodic inspection of the engine.
I. Check tiahmas and lock of all nuu and screws which fasten the injector to rhe engine.
2:
Check all fuel lines for tightness and evidence of leakace. A slight fuel stain adj~ccnt to the lir
bleed nozzles is not cause for ceneera.
POWER PLANT
ISSUED: 8/18/72
2
F6
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