Piper Comanche PA-24 Service Manual page 483

PIPER COMANCHE SERVICE MANt;AL
7 A-J3 Installation Of
Engin~_
(PA-24-2bO. Serial !\os. 24-4783 and 24-4804 and up) (Refer to Figure 7 A-9 )
a. Attach a one-half ton (minimum) hoist to the engine lifting strap and lift engine
b Swing engine into place. positioning the engine mounting lugs so they align with mount
attachment points
c Insen a mounting bolt into the engine mount until its threaded end extends one or two threads
from the mount itself Insen a shock mount between the engine mounting bracket and mount Slide the
mount bolt on through the mount and insen a mount spacer o\er the bolt and through the engine
mounting bracket
d. Repeat the procedures in step "c" with the remaining three attaching point'
e Install the front engine shock mounts on the bolts and over the forward end of the mount 'pacer.
check to see that the shock mounts are not binding. Install washers and a nut on each mounting bolt Tighten
the nuts progressi,ely. following a circular sequence and torque to 40 foot-pounds and safety
f Connect starter cable to starter and clamp cable to left cylinder baffles and engine mount
g Attach alternator leads to alternator and clamp them to right cylinder baffles and engine mount
h. Connect go\ernor control cable to governor and secure with clamps
Connect throttle and mixture control cables to the injector and adjustment per paragruph 7 A-/11
J
~'onnect
injector heat control cable and adjust
k Attach bonding straps to engine and engine mount.
I Connect cylinder head temperature (!\o 5 cylinder) and exhaust gas temperature t
'0
/1 cdinder)
leads and secure.
m Connect fuel pressure. fuel flow and oil pressure lines
n Connect fuel pump. inlet line
a Connect oil temperature lead and tachometer cable to engine accessory housing
p Connect magneto .. p" leads and retard lead (Left magneto only) to magnetos
lJ Connect manifold pressure line ("0.6 cylinder)
r Connect oil cooler hoses to engine
s Connect engine breather to engine and clamp
Connect vacuum hoses
to
'acuum pump and clamp
u Connect duclS to muftler. cabin heat inlet and oil cooler and clamp
, Install propeller (Refer to paragraph 7A-20)
w
Install the proper grade and amount of engine oil.
!\OTE
Refer to latest L,coming Senice Bulletin Instruction 1'0 1241
,
Install cowling (Refer to paragraph 7A-10.)
,.
auxihar~
Connect battery ground cable. turn fuel selector \al\e on. open throttle full and turn on the
fuel pump. Check for fuel leaks
7 A--'4 Engine Shock Mounts. Replacement of engine shock mounts. Refer
10
Figures 7 "'-7. 7 A-X and
7 A-9 for the proper arrangement of engine shock mount assemblies. The lOp shocks are assembled so the
siher colored ,hock is aft and the gold colored 'hock is forward. The lower shock mounts are installed
"pposlle of the top shock mounts On airplanes with Senal >;umbers 24-4783and 24-4804 and up. place shock
mount \\ ith P ,
J-3049-.~5
in the top aft position and shock mount with P ... J-3049-34 in the top front
position Pluce the 100,er shock mount, opposite the top mounts Torque shock mount bolts to 450 to
500 in Ib,. and salel\.
REVISED:
4/10/81
2D5
POWER PLA"T