Piper COMANCHE PA-24-180 Service Manual page 443

PIPER COMANCHE SERVICE MANUAL
Exaggerated view of nicks in
Exaggerated view of nick
leading edge
in face of blade
Recommended method for re TIN AA
a. Clean propeller and engine flanges.
b. Install spinner bulkhead (10) on srcrer ring gear, and torque bolts to specficacions given in Table
VIIC-I.
c.
Observe the starter ring gear to make sure it is mounted properly on the engine crankshaft flange.
The crankshaft flange s scamped with an "0" mark and the scaer nng gear is likewise identified by an
"O" mark. Upon insallation of the starter ring gear. the markings shall be mated to insure proper
installaton.
d. Lubricate and insual O-ring (9) in the propeller hub O-ring groove.
e. Mount propeller on engine. Screw each stud (7) into its maing flange bushing a few threads at a
rime until all are tight. Torque bolts to specifications given in Table VIIC-I. Safety the mouning bolts with
MS20995C41 wire. routing the wire through the lock pins (8).
f. Check blade rack per pragraph 7C-13.
g. Install engine cowling. (Refer to paragrph 7C-7.)
h. Install spinner (1) and secure with screws.
7C-12. Adjustment Of Low Pitch Blade Angie Stop.
a. The propeller comes from the factory with the low pitch stop adjusted for proper blade angle. If.
however, this adjustment has been disturbed .the following procedure is given for obtaining blade angle
1. The blade angle (refer to Table VIIC-I) is determined by placing a propeller pronacror on the
face side of the propeller, at the 30 inch station. as measured from the hub center line. The blade must be
honzontal.
POWER PLANT
ISSUED: 8/18/72
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