Piper Comanche PA-24 Service Manual page 477

PIPER COMANCHE SERVICE MANUAL
7 A-30. Removal Of Enpne. (PA-H-260. Serial Nos. 2404000 '0 244782 incl. ""d 244784 to 244803
incl.l (Refer to
Figu~
7,1.-8.)
•. Tum off >.II cockpit switch .. and disconnect the battery ground cable .. the battery.
b. Move the fuel contrOl lever located on the fuse. floor between the
two
front seats to the OFF
posinon.
c. Remove -"line cowling. (Refer to paragraph 7A-S.)
d. Drain e!lline oil if desired.
c. Remove propeller. (Refer to parqroph 7 A-iS)
NOTE
Where
I
question may a.rise
IS
where to reconnect hose, line or wire. the
item .. the sepantion should be identified (...,ed) to facwtate
reinsa.l.l.ation. Open fuel. oil. vacuum lin.. and fittings should be
covered to prevent contamination.
f.
Disconnect vacuum hose from va.cuum pump.
g. Disconnect eriline breather.
h. Disconnect oil temperature lead and tachometer dnve cable from the ensmc a.ccessory housing.
I.
Disconnect "'""'"to "P" leads and retard lead (left ","",ceo only) from mqnetos.
J.
DiKOnncct cabin heat and defroster Ur ductS from left muffler shroud.
Ir..
Disconnect fuel pump blase rube.
I. Disconnect the manifold
pressu~
line. No 6 cylinder.
m. Disconnect fuel pump drain hose from pump.
n. Disconnect fuel pump inlet and audec lines.
o. Remove ou cooler lines.
p. Disconnect ema.ust ga.s temperature probe from No.6 cylinder
e~aust
stack.
q. Disconnect staner cable from starter.
r. Disconnect throtdc. mixture and governor
~nU'ol
cables and remove cable clamps.
s. DiKonnect oil pressure and fuel pressure lines.
t. Disconnect elecmcal leads from alternator. remove clamps securUtg wires to engine and draw them
a.ft to the firewa.ll.
u. DlKonnect cylinder head temperature lead from No.5 cylinder.
v. DlKonncct bondm, saaps from engine at sides of mount.
w.
Disconnect tOP .park plug Iuds and pull thern aft through the rear cngme baffles.
x. Disconnect exhaust suck hangen from
nOK
gear support tubes.
y.
To prevent damage to the tail when removing the weight of the engme from the aLrplane. a.ttach a
stand to the tail skid.
z. Attach a. one-half ton (minimum) nOlst to the liftIng sttap and relieve the tension on the engine
mauna.
bolt.
aa. Check the engine for any anachments remaining to obstrUct itS removal.
bb. Remove the cotter pm. nut. washer, front rudder shock mount and sleeve from each mounting
~c.
Slide bolts our of a.ttaching points and swmg engine free. placl11g it on a SUitabLe suppOrt.
2 C23
POWER PLANT
ISSUED: 8/18172