Piper PA-24 Comanche Service Manual page 360

PIPER COMANCHE SERVICE MANUAL
7;"32. Removal Of Engine. (PA·24-260, Serial Nos. 24-4783 and 24-4804 and up) (Refer to Figure 7;'-9.)
a. Turn off all cockpit switches lind disconnect the butery Jl'ound cable at the battery.
b. .\\ove the fuel control lever located on the fuselage floor between the tWO front scars to the OFF
position.
c. Remove engine cowling. (Refer to panaraph 7
A-8,)
d. Drain engine oil if desired.
e. Remove propeller, (Refer to pUlfraph 7A-18,)
f. Remove air ducts from firewa11 and oil cooler.
NOTE
Where a question may arise
as
where to reconneet
bose.
line or wire, the
item at the separation should be identified
(tagN)
to facilitate
reinstallation, Open fuel. oil. vacuum lines and fitrinp should
be
covered to prevent contamination.
g. Disconnect the manifold
pressur~
line, No.6 cylinder.
h. Disconnect magneto "P" leads and rewd'lead licit mllneto only) from magnetos.
r,
Disconnect tachometer drive cable and oil temperlt\1te lead from the engine accCSliOry housing.
J.
DISConneCt vacuum hoses at V&l:uum pump.
k. Disconnect oil cooler hoses at ait end of engine.
I.
Disconnect engine breather from engine.
m. DIsconnect exhaust gas temPftatute lead from No.6 cylinder exhaust stick.
n. Disconnect fuel pump inlet line
at
fuel pump.
o.
DIsconnect :'..:eI pressure. oil pressure and fuel flow lines.
p. Disconnect =;'-,lnder head temperature lead from No. S cylinder.
q. Disconnect the starter cable at the starter. remove ,able clamps at the left side of the enline and
engme mount, and draw cable aft to the firewall.
r,
Disconnect alternator leads at alternator, remove clamps sccurinl wires to engine and draw them
ait to' the firewall,
s. Disconnect injector heat control cable at air duct.
t. Disconnect rhronie, mixture and propeller ,ovemor control cables and remove clamps securing
them to engine.
11.
Remove bonding scraps from engine
at
sides of mount.
v, To prevent damage to the tail when removing the weilht of the engine from the airplane. attach
.1
stand to the tail skid,
w. Aruc:h .. one-half ton (minimum) boist to the lifti"l strap and relieve the tension on the engine
mounts.
x,
Check the engine for
an~'
attachments remaining to obsauct its removal.
y. Remove: the cotter pin. nut. washer, front rudder shock mount and sleeve from each mounting
bait.
z. Slide bolrs out of .ltta,hing points and swing en,ine free. placing it on a suitable suppOrt.
POWER PLANT
ISSUED: S/1Sn2
2 04
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