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CAUTION: Before servicing a
propeller, be sure the engine is in neutral with
the ignition off or disconnected to avoid any
possibility of the engine starting and causing
CAUTION: Do not install any
propeller without a thrust washer in place. If
a thrust washer is not used, severe damage could
occur to the propeller and/or engine. If you see
a tapered surface toward the engine end of the
prop shaft, the thrust washer is not in place
on the shaft. Your thrust washer may adhere to
the front of your old prop when removed.
If the propeller strikes the Trim Tab, replace
the trim tab with Quicksilver flat plate anode
#76214A5 or equivalent available by calling toll
Make sure your thrust washer
is on the prop shaft with the tapered end
in first to match the tapered surface of
the prop shaft.
Caution: Do not install
any propeller without the thrust washer
Clean and grease the splines of the prop
Slide the propeller and hub assembly
onto the propeller shaft. Place your tab
washer on the end, then install and tighten
the locking prop nut. Make sure your tab
washer and prop nut turn simultaneously.
Tighten to 55 ft-lb. Align 3 tabs on tab
washer with grooves on castellated Spider
Washer cap. Tap or bend tabs down into grooves.
For propeller shafts that use a cotter pin:
Install the Locking Nut and tighten to 55
ft.-lb. Reinstall Cotter Pin and bend ends
or consult your Engine Owner’s Manual
for proper prop nut torque and fit specifications.
Rotate Prop in neutral by hand to make
sure the blades do not strike the trim tab
and anti- ventilation plate.
NOTE: Locking Nut should be checked
for tightness every 20 hours of operation.