Bravo One Propeller Removal; Bravo One Propeller Installation - Mercury MERCRUISER User Manual

IMPORTANT: If reusing tab washer, carefully inspect tabs for cracks or other damage. Replace tab washer if condition is
questionable.
a
b
1. Apply a liberal coat of one of the following lubricants to the propeller shaft.
Tube Ref No.
Special Lubricant 101
34
Anti-Corrosion Grease
94
2-4-C Marine Lubricant
95
with Teflon
2. Slide thrust hub onto propeller shaft, with stepped side toward propeller hub.
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 (minimum)
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 One 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, drive sleeve, propeller and thrust hub off propeller shaft.

Bravo One 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.
90-864197076 NOVEMBER 2008
d
c
Description
a - Propeller shaft
b - Thrust hub
c - Flo‑Torq II drive hub
d - Propeller
e - Drive sleeve
f - Locking tab washer
e
f
g - Propeller nut
6215
g
Where Used
Propeller shaft
Propeller shaft
Propeller shaft
WARNING
!
NOTICE
Section 5 - Maintenance
Part No.
92-802865Q02
92-802867Q 1
92-802859A 1
Nm lb‑in.
75 –
Page 81
lb‑ft
55