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
•
To Next Page
Loading...
Need help?
General
