Piper PA-24 Comanche Service Manual page 355

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P'PER COMANCHE SERVICE MANUAL
7A·30. Removal Of Enline. (PA-24-260. Seria.I Nos. 24-+000 to 2......782 incl. and
2~784
to 24-Wl03
incl.l (Refer to Figure 7A-8.)
a. Turn off all cockpit switches and disconnect the battery JI'Ound cable at the battery.
b. Move the fuel conrroi lever located on the fusel. floor betwccn the twO front
sean
to the OFF
position.
c. Remove engine cowlin,. (Refer to panpaph 7A-'.)
d.
Drain enlPne oil if desired.
e. Remove propeller. <Refer to
p~ph
7A-18.)
NOTE
Where a question may arise as where
to
reconnect hose. line or wire, the
item at the separation should be identified <uaed) to facilitate
reinsuJ.1&tion. Open fuel. oil, vacuum lines and fittinp should be
covered to prevent contamination.
f. Disconnect vacuum hose from vacuum pump.
g. Disconnect enalfte breather.
h.
Disconnect oil ternpen.ture lead and taChometer c:1rive cable from the e"line accessory housing.
I.
Disconnect mlf11eto
"P"
leads and retard lead (left ma,neto onJy) from rnapccos.
J- Disconnect cabin heat and defrostCT air duCD from left muffler shroud.
k.
Disconnect fuel pump blast rube.
1. Disconnect the manifold pressure line. NO.6 cylinder.
m.
Disconnect fuel pump drain hose from pump.
n. Disconnect fuel pump inlet and oudet lines.
o. Remove oil cooler lines.
p. Disconnect exhaust eas temperature probe from No.6 cylinder exhaust stacit.
q. Disconnect starter cable from starrer.
r.Disconnect throttle. mixture and governor conuol cables and remove cable clamps.
S.
Disconnect oil pressure and fuel prasute lines.
t. Disconnect eleCU'ica1leads from alternator. remove c1&mps
secunn,
wires to mpe and draw them
ait to the
firewall.
u. Disconnect cylinder head tempetature
lead
from No. , cylinder.
v. Disconnect bondinJ
StrapS
from enJine at ucla of mount.
w. Disconnect tOP spark plu, leads and pull them aft tbroup the rea: cnpe baffles.
x, Disconnect exhaust stack hatllcrs from nose
ICU
suppOrt rubes.
v,
To prevent damqe to thc tail when removing the weight of the enline from the airplane, attach a
sund to the tail skid.
z.
Attach a one-ha1f ton
(minimum) hoist to the 1iftiftl strap and relieve the tension on the engine
mounts.
u.
Check the engine for any atuehmenrs
remaining
to obsaucr itS removal.
bb. Remove the cotter pin. nut. washer. front rudder shock mount and sleeve from each mounting
bolt .
cc. Slide bolts OUt of aruching points and swing eftJine free. placing it on a suiub'e support.
POWER PLANT
ISSUED: 8/18/72
2
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