Piper PA-24 Comanche Service Manual page 359

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PIPER
COMA~CHE
SERVICE MANl'AL
7..1,.)
I.
Installation
Of
Engine.
(PA-24·260. Serial
:\OS.
24-4000 to 24-4782 incl. and
24·47t.:4 to
24~l'IO)
incl.l (Refer to Figure 7A-!<.l
3.
Attach a one-half ion (minimum) hoist
to
the engine lifting strap and lift engine.
b.
S"
ing engine iruo place. positioning the engine mounting lugs so they align
with
mount
attachment points.
c. Insert a mounting bolt into the engine mount until its threaded end extends one or two threads
from the mount itself. Insert a shock mount between the engine mounting bracket and the mount. Slide the
mount bolt on through the mount and insert a mount spacer over the bolt and through the engine mounting
bracket.
d. Repeat the procedures in step
"c"
with the remaining three attaching points.
e. Install the front engine shock mounts on the bolts and over the forward end of the mount spacer:
check to see that the shock mounts are not binding. Install washers and a nut on each mounting bolt. Tighten
the nuts progressively. following a circular sequence and torque to 40 foot-pounds and safety.
f.
Attach exhaust stack hangers to nose gear support tubes.
g.
Connect bonding scraps to engine and engine mount.
h. Connect spark plug leads and clamp to prevent chafing.
I.
Connect throttle and mixture controls and adjust per paragraphs 7A-52 or 7A-tl\.
J. Connect carburetor heat control. if installed. and adjusted per paragraph 7A-52.
k.
Connect governor control cable to governor and secure with clamps.
\. Connect electrical leads to the alternator. starter and cylinder head temperature probe. :\0. 5
cylinder. Clamp leads to the right cylinder baffles and engine mount.
m. Connect oil pressure and fuel pressure lines.
n. Connect oil cooler line,
to
engine accessory housing and oil cooler.
o. Connect manifold pressure line. :\0.
6
cylinder.
p. Connect fuel pump inlet and outlet lines.
q.
Connect fuel pump drain hose.
r. Connect fuel pump blast tube.
s. Connect exhaust gas temperature probe.
~o.
<'
cylinder exhaust stack.
t. Connect oil temperature lead and tachometer drive cable to the engine accessory housing.
u. Connect magneto ..
P"
leads and retard lead
(left
magneto only) to magnetos.
v ,
Connect cabin heat and defroster air ducts to the left muffler shroud.
w.
Connect engine breather.
x. Connect vacuum hose to vacuum pump.
\ Install propeller. (Refer to paragraph 7A~20.)
'OTE
Refer to latest Lycoming Service Instruction
~o.
1241.
aa. Turn fuel selector valve on and operate auxiliary fuel pump. Check for fuel leaks.
abo Install engine cowling. (Refer to paragraph 7A-7.)
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R [VISED: 4/10/81
2D3
POWER PLA'T