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Care and Maintenance
Use a propeller puller to remove the propeller, then remove the
key from the keyway. Inspect the keyways and key for any damage.
Installation
Before placing the propeller on the shaft, look at the keyway on the
shaft and in the propeller. Make sure the key slides freely in the
shaft keyway and the propeller keyway. DO NOT use the propeller
to advance the prop onto shaft.
If the key has burrs, remove them by filing the flat sides or replace
the key. DO NOT file the key beyond its normal shape or size.
1. Rotate the shaft until the keyway is “up.”
2. Place the key in the shaft keyway. The propeller will only slip on
in one direction. Rotate the propeller so the keyway in the
propeller is aligned with the keyway on the shaft. Once it is
aligned, push the propeller onto the shaft. You’ll hear a solid
“thunk” or feel it, as the propeller is seated.
3. Wedge a piece of 1" x 4" wood (A) between the propeller blade
and the port side of the strut and rudder.
4. Install a new nylon locknut (B) and torque the nut to maximum
of 30 ft-lbs (40.7 N•m).
5. Install new cotter pin (C). Bend the retaining ends of the cotter
pin in the opposite directions.
CORC047
A
B
C
Naut Air Sec 8.qxd 8/29/06 4:24 PM Page 8-5