Piper COMANCHE PA-24-180 Service Manual page 303

PIPER COMANCHE SERVICE MANUAL
g.
Slide washers (9) on bolts (8) and tighten bolts uniformly all around to the torque limits of Table
Vll-I and safety wire bolts
h
Check blade track (Refer to paragraph 7-15)
h.
Slide spinner ( 10) oer the propeller. align screw holes with the nuts in the bulkhead. and install
washers (12) and screws (II) Tighten to the torque given in Table VII-I
7-12 Removal of Propeller. (Hartzell) (Refer to Figure 7-3 )
NOTE
In some manner identify the position of each part in relation to the
other to facilitate installation
a.
Ascertain that the master switch and magneto switches are in the off position
b
Remove the spinner (I ) by removing the screws that secure it to the spinner bulkhead (4)
c
Place a drip pan under the propell
-
o catch oil spillage
d.
Cut the safety wire around the propeller mounting bolts (8) and remove the bolts from the engine
crankshaft flange.
e
Pull the propeller from the engine crankshaft
f
Remove the propeller "O" ring (10) and shim (I 1) from the engine flange
g
The spinner bulkhead may be removed from the starter ring gear (5) by removing nuts. washers
and bolts (6)
7-13 Cleaning, Inspection And Repair.
The instructions for cleaning. inspection and repair of the Hartzell propeller are the same as those given
for the McCaule propeller paragraph 7-10
7-14. Installation Of Propeller. (Hartzell) (Refer to Figure 7-3.)
a
Position the spinner bulkhead (4) against the starter ring gear support (5) so that one arrow lines
up with the TCI. on the front face of the support
b
Secure the spinner bulkhead to the starter ring gear support with 12 bolts (6). 12 nuts (9). and 24
washers (3) (one under the bolt head and one under each nut) Carefull
tighten nuts uniformly to torque
limits shown in Table VII-l.
c
Clean the propeller and engine flanges
d
Observe the starter ring gear to make sure it is mounted properly on the engine crankshaft flange
The crankshaft flange is stamped with an "0" mark and the starter ring gear is likewise identified b! an
"O" mark 1pon installation of the starter ring gear. the markings shall be mated to insure proper
installation.
e
Install "0" ring (10) and shim (II) on engine shaft
ISSUED: 8/18/72
POWER
PlANT
2A17