Bravo Two Propeller Removal; Bravo Two Propeller Installation - MerCruiser SeaCore 5.0 User Manual

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 (minimum)
IMPORTANT: 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.
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

Rotating propellers can cause serious injury or death. Never operate the boat out of the
water with a propeller installed. Before installing or removing a propeller, place the drive
unit in neutral and engage the lanyard stop switch to prevent the engine from starting.
Place a block of wood between the propeller blade and the anti‑ventilation plate.
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

Operating the engine with a loose propeller can damage the propeller, the drive, or drive
components. Always tighten the propeller nut or nuts to specification and check for
tightness periodically and at the required maintenance interval.
IMPORTANT: If reusing tab washer, carefully inspect tabs for cracks or other damage.
Replace tab washer if condition is questionable.
90-899883169 DECEMBER 2007
a
b
a - Propeller shaft
b - Thrust hub
c - Propeller
WARNING
!
NOTICE
c
e
d
f
14946
d - Propeller nut
e - Spline washer
f - Tab washer
Section 5 - Maintenance
Nm lb‑in. lb‑ft
75 –
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