Piper COMANCHE PA-24-180 Service Manual page 363

PIPER COMANCHE SERVICE MANUAL
7A-33 Installation Of Engine. (PA-24-260. Serial Nos. 244783 and 244804 and up) (Refer to Figure 7A-9)
a.
Attach a one-half ton (minimum) hoist to the engine lifting strap and lift engine
b
Suing engine into 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 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 progressivel. following a circular sequence and torque to 40 foot-pounds and safet.
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 governor control cable to governor and secure %ith clamps
Connect throttle and mixture control cables to the injector and adjustment per paragraph 7A-61
J
Connect iniector heat control cable and adjust
k
Attach bonding straps to engine and engine mount.
I
Connect c\linder head temperature (No 5 cylinder) and exhaust gas temperature
6 cylinder)
leads and secure
m
Connect fuel pressure. fuel flow and oil pressure lines
n Connect fuel pump. inlet line
o
Connect oil temperature lead and tachometer cable to engine accessory housing
p
Connect magneto "P" leads and retard lead (Left magneto only) to magnetos
q Connect manifold pressure line (No. 6 c.linder)
r
Connect oil cooler hoses to engine
s Connect engine breather to engine and clamp
Connect vacuum hoses to vacuum pump and clamp
u
Connect ducts to muffler. 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.
NOTE
Refer to latest L!coming Service Bulletin Instruction No 1241
x Install cohling (Refer to paragraph 7A-10 )
y
Connect batters ground cable. turn fuel selector xalve on. open throttle full and turn on the
auxiliary fuel pump. Check for fuel leaks
7A-34 Engine Shock Mounts. Replacement of engine shock mounts. Refer to Figures 74-7. 7A-8 and
7A-9 for the proper arrangement of engine shock mount assemblies. The top shocks are assembled so the
ilKer colored shock is aft and the gold colored shock is forward The lower shock mounts are installed
opposite ot the top shock mounts On airplanes
ith Serial Numbers 24-4783 and 244804 and up. place shock
mount with P \ J-3049-35 in the top aft position and shock mount with P N J-3049-34 in the top front
position Place the lower shock mounts opposite the top mounts Torque shock mount bolts to 450 to
500 in lbs. and saeti..
REVISED: 4/10/81
2D
PO ER PLANT
2D5