Section 5 - Maintenance
Page 100
90-8M0053363
eng
NOVEMBER 2010
NOTE: Some damaged propellers can be repaired. Contact your authorized Mercury MerCruiser dealer.
a -
Rear propeller nut
b -
Rear propeller
c -
Rear propeller thrust hub
d -
Front propeller nut
e -
Front propeller
f -
Front propeller thrust hub
g -
Propeller shaft anode screw
h -
Flat washer
i -
Star washer
j -
Propeller shaft anode
Bravo Three Propeller Installation
NOTICE
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.
a -
Rear propeller nut
b -
Rear propeller
c -
Rear propeller thrust hub
d -
Front propeller nut
e -
Front propeller
f -
Front propeller thrust hub
g -
Propeller shaft anode screw
h -
Flat washer
i -
Star washer
j -
Propeller shaft anode
1. Slide forward thrust hub onto propeller shaft with tapered side toward propeller hub (toward end of shaft).
2. Apply a liberal coat of one of the following lubricants to the propeller shaft.
Tube Ref No.
Description
Where Used
Part No.
34
Special Lubricant 101
Propeller shaft
92-802865Q02
94
Anti-Corrosion Grease
Propeller shaft
92-802867Q 1
95
2-4-C Marine Lubricant
with Teflon
Propeller shaft
92-802859A 1
3. Align splines and place propeller on propeller shaft.
4. Install and torque the propeller nut. Check propeller at least every 20 hours of operation and retorque as needed.
Description
Nm
lb‑in.
lb‑ft
Forward propeller nut
136
–
100
5. Slide aft thrust hub onto propeller shaft, with tapered side toward propeller hub (toward end of shaft).
6. Align splines and place propeller on propeller shaft.
7. Install and torque the propeller nut. Check propeller at least every 20 hours of operation and retorque as needed.
Description
Nm
lb‑in.
lb‑ft
Aft propeller nut
81
–
60
e
f
a
b
c
d
5304
g h
i
j
e
f
a
b
c
d
5304
g h
i
j