Bravo Three Propeller Removal - MerCruiser Sterndrive 4.3L TKS Owner's Manual

6. Bend 3 tabs on the tab washer down into the grooves in spline washer. After the first
use, bend the 3 tabs straight and retorque the propeller nut. Bend tabs back down into
spline washer. Check propeller at least after 20 hours of operation. Do not operate with
loose propeller.

Bravo Three Propeller Removal

Avoid Injury: Remote Control must be in neutral and ignition key removed from switch
before removing and/or installing propeller.
A rotating propeller can cause injury. Place a block of wood between the anti‑ventilation
plate and the propeller to protect hands from the propeller blades, and to prevent the
propeller from rotating when removing or installing the propeller nut.
1. Place wood block between propeller blades and anti‑ventilation plate to prevent
rotation.
2. Remove the bolt and washers securing the propeller shaft anode.
3. Remove the propeller shaft anode.
4. Turn aft propeller shaft nut 37 mm (1‑7/16 in.) counterclockwise to remove nut.
5. Slide propeller and thrust hub off propeller shaft.
6. Turn front propeller shaft nut 70 mm (2‑3/4 in.) counterclockwise to remove nut.
7. Slide propeller and thrust hub off propeller shaft.
90-860171061 DECEMBER 2006
b
c
d
f
e
a - Propeller
b - Propeller shaft nut
c - Propeller shaft anode
WARNING
!
WARNING
!
a
5303
d - Propeller shaft anode screw
e - Flat washer
f - Star washer
Section 5 - Maintenance
Page 77