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2.
Turn propeller shaft nut counterclockwise to remove nut.
3.
Slide tab washer, drive sleeve, propeller and thrust hub off propeller shaft.
Alpha 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.
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 PTFE
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 Diesel Sterndrive 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.
90-8M0069751
APRIL 2012
eng
d
c
Description
NOTICE
a -
Propeller shaft
b -
Thrust hub
c -
Flo‑Torq II drive hub
d -
Propeller
e -
Drive sleeve
f -
Locking tab washer
e
g -
Propeller nut
f
6215
g
Where Used
Propeller shaft
Propeller shaft
Propeller shaft
WARNING
!
Section 5 - Maintenance
Part No.
92-802865Q02
92-802867Q 1
92-802859A 1
Nm
lb‑in.
75
–
Page 99
lb‑ft
55
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