Piper Comanche PA-24 Service Manual page 482

PIPER COMANCHE SERVICE MANUAL
7 A·32. RemoYai Of Ensine. (PA·Z4-Z60, Senal Nos. Z4-4783 and Z4-I804 and up) (Refer
[0
Fi""e 7 A·9 )
a..
Tum off aU cockpit switches and disconnect the battery Bround cable at
me
battery
b. .\1.ave the fuel control lever located on the fuselqc floor between the two front
Ie2ts
to the OFF
poSition.
c. Remoye engine cowling (Refer
[0
pangraph 7A·8)
d.
Drain engine oil if desired.
e. Remoye propeller. (Refer
[0
paragraph 7A·18)
f. Remove air ducu from firewall Uld oil cooler.
NOTE
Where a question may arise as where to reconnect hose. line or wire. the
itcm
at
the separation should be identified
(tagged)
to facilitate
reinstallation. Open fuel. ad. vacuum lines and fittings should be
covered to prevent contamination
g. Disconnect the manifold pressur.C' tine. ~o. 6 cylinder.
h. Disconnect magneto "P" leads and rewd lead (left magneto only) from magnetos.
I.
Disconnect tachometer drive cable and oil temperanue lead from the engine acceuory housing
J. DL5Connect vacuum hoses
at
vacuum pump
k. Disconnect oil cooler hoses at aft end of engine.
I. Di.sconnect elllir.e breather from engine
m. Disconnect exhaust ga.s temperature lead from No.6 cylinder exhaust sUl.:k.
n. Di5':onnect fuel pump inlet line at fuel pump.
o. DlSConnect fuel pressure. oil pressure and fuel flow lines.
p Disconnect cylinder hea.d temperature lead from No S cylinder
q. Disconnect the starter cable at the starter, remove cable clamps
at
the left Side of the engine and
engine mount, and draw cable aft to che firewall
r. Disconnect alternator leads at alternator, remove clamps secunng wues to engine and draw them
ait
[0
the firewall.
s Disconnect Injector heat control cable
at
air duct.
t. Disconnect throttie, mixture and propeller governor control cables and remove clamps securing
them to engine.
u. Remove bonding straps from engine at sides of mount.
v. To prevent damage to the tail when removing the wetght of the engine from the airplane. attach
l.
sund to the tail skid.
w Atuch a onc-half ton (minimum) hoist to the lifting strap and relieve the tenSion on tile engine
mounts.
x. Check the engine for any attachmentS remalnmg to obstruct its removal.
y Remove the .:otter pin. nut, washer, front rudder shock mount and sleeve from each mounting
bolt.
z. Slide bolts out of attachlOg points and swing engine free. plaCIng
It
on a suitable
SUpPO".
POVJER PLANT
ISSUED: 8/18n2
2
D4
•