Bravo Two Propeller Removal; Bravo Two Propeller Installation - MerCruiser Sterndrive 4.3 MPI User Manual

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Section 5 - Maintenance
2. Apply a liberal coat of one of the following lubricants to the propeller shaft.
Tube Ref No.
3. Install Flo‑Torq II Drive Hub into propeller.
NOTE: The drive sleeve is tapered and will slide fully into the propeller as the nut is
tightened and properly torqued.
4. Align splines and place propeller on propeller shaft.
5. Install drive sleeve and locking tab washer.
6. Install and torque the propeller nut.
Description
Propeller nut
7. Bend three tabs on the tab washer down into the grooves in spline washer. After the
first use, bend the three 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 Two 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 blade and anti‑ventilation plate to prevent rotation.
Straighten bent tabs on tab washer.
2. Turn propeller shaft nut counterclockwise to remove nut.
3. Slide tab washer, spline washer, propeller and thrust hub off propeller shaft.

Bravo Two Propeller Installation

Avoid injury and propeller damage or sterndrive damage, or both, caused by a loose
propeller or propellers. The propeller may become loose during normal operation.
Periodically throughout the boating season and at the maintenance intervals specified,
the propeller nut or nuts must be checked for tightness. Torque the propeller nut or nuts
to specification.
1. The propeller torque stated is a minimum torque value. Some special use propellers may have a different torque value. Use the
installation information provided with the propeller to determine if another torque value is appropriate to your propeller.
Page 92
Description
Special Lubricant 101
34
Anti-Corrosion Grease
94
2-4-C Marine Lubricant with
95
Teflon
1.
Where Used
Propeller shaft
Propeller shaft
Propeller shaft
WARNING
!
WARNING
!
CAUTION
!
90-864195061 NOVEMBER 2006
Part No.
92-802865A1
92-802867A1
92-802859A1
Nm
lb. in.
lb. ft.
75
55

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