Piper COMANCHE PA-24-180 Service Manual page 447

PIPER COMANCHE SERVICE MANUAL
7C-18. EFine.
7C-19. Removal of Engine. PA-24-260 (Turbocharged) (Refer to Figure 7C-4 )
a. Turn off all cockpit switches and disconnect the batery ground cable at the battery.
b. Move the fuel control lever located on the fuselage floor between the two front sear to the OFF
posinon.
c. Remove engne cowling. (Refer to paragraph 7C-5.)
d. Drain engine oil if desired.
e. Remove propeller. (Refer to panraph 7C-9.)
f.
Disconnect cabin eat, fuel pump and oil cooler air ducs.
NOTE
Where a quesoon may arie u where to reconnect hose. line or wire, tb
item at the separation should be identified (tagged) to faclit .
installaion. Open fuel, oil, vacuum lines and fittings should be covered
to prevent contamination.
Disconnect the manifold pressure line. No. 6 cylinder and remove clamp securing
it
to engine
mount.
h. Disconnect rurbo oil supply lines at the engine accessory housing.
i.
Disconnect magneto "P" leads, retard lead (left magneto only) and shielding gounds from
magnetos.
J.
Disconnect tachometer dnve cable and oil temperaure lead from the engine accessory housing.
k. Disconnect vacuum hose at vacuum pump.
I.
Disconnecr oil cooler outlet hose at engine accessory housing and inlet hose at oil cooler.
m. Disconnect engine breather from engne.
n. Disconnect exhaust ga and cylinder temperature leads from No. 6 cylinder exhaust suck and
cylinder head.
o. Disconnect fuel pump inlet line and drain hose at firewall.
p. Disconnect fuel pressure. oil pressure and fuel flow meter vent lines.
q. Dsconnect the starer cable at the starer, remove cable clamps it the left side of the engme and
engine mount, and draw cable aft to the firewal.
r. Disconnect ilternator leads at alternator, remove clamps secunng wires to engine and draw them
aft to the firewall.
s. Disconnect alternae ar door control cable.
t.
Disconnect throttle, mrxrure and propeller governor control cables and remove clamps securing
them to engine.
u. Remove tail pipe braces.
v
Disconnect exhaust waste gate control cables and remove clamps securing them to the tal pipes.
w. Disconnect spark plug leads from left bottom spark plugs.
x. Remove bonding straps from engine at sides of mount.
y. Loosen magneto mountng nuts and rotate magnetos to clear engine mount.
POWER PLANT
REVISED: 4/10/81
2617