Piper PA-24 Comanche Service Manual page 366

PIPER
COMA~CHE
SERVICE MANl'AL
7A·4.:!.
Installation Of Air Filter.
a. Position the filter on the bottom cowl and secure with studs.
h lnvia ll air scoop on bottom cowl and secure with quarter turn fasteners.
7A-4~.
Induction
System
Air Filter.
(PA<!4-260.
Serial
~os,
24-4783
and
24-4804
and up)
7A-44,
Removal Of Air Filter.
a. Loosen the right side cowl fasteners and lift cowl.
b. Loosen air box door fasteners and open door.
c.
Pull air filter out of box.
•
7A·45. Service Instructions.
a. Blow filter out with compressed air from the gasket side or wash
In
warm water and mild
detergent.
h. Drv thorouzhlv.
c. When operating in dusty conditions inspect filter daily.
7A·46.
a.
b.
c.
d.
Installation Of Air Filter.
With the gasket side of the filter down slide it into the air box.
Ascertain that the retaining springs are holding the filter securely.
Close air box door and secure.
Close
cowl and fasten.
•
7A·47.
Alternate Air Door. The alternate air door located in the induction svstern. on the rizht . . . ide of the
injector air box between the air filter and the injector unit. is to provide a source of air shou~ld there be an
air stoppage through the filter system. The following should be checked during inspection:
a. All
door seals are tight and hinges secure.
h. Actuate the door to determine that it is not sticking or binding.
c. Check that the spring tension of the door is tight enough to allow the door to remain closed at full
engine rpm. yet should there be an air stoppge it will be drawn open.
7 A-4H. Carburetor.
7A-49.
Carburetor Maintenance. In general. little attention is required between carburetor
overhauls.
However. it is recommended that the following items be checked during periodic inspection of the engine.
a. Check tightness and lock wire of all nuts and screws which fasten the carburetor to the engine.
b. Check all fuel lines for tightness and evidence of leakage.
c. Check throttle and mixture control rods and levers for travel. tightness and safety.
d. Clean the fuel inlet screen. (Refer to Figure 7A-IO.)
e.
Remme plug at aft position of carburetor and drain any accumulation of foreign matter.
f.
Check carburetor air box for wear and full travel of heat door.
g. Check adjustment of idle mixture and idle speed.
ISSt'ED: 8/18/72
2DI0
POWER PLA.