Mercury 300 XS OptiMax Manual page 87

IMPORTANT: To prevent the propeller hub from corroding and seizing to the
propeller shaft, especially in salt water, always apply a coat of Extreme Grease
to the entire propeller shaft at the recommended maintenance intervals and
also each time the propeller is removed.
1. Lubricate the propeller shaft splines with Extreme Grease.
2. Install the propeller hub assembly, propeller, washer, Belleville washer,
washer, and propeller nut onto the propeller shaft.
Tube Ref
No.
3. Place a block of wood between the gearcase and propeller and torque the
propeller nut.
Description
Propeller nut
4. Disengage the safety stop switch by placing it in the "RUN" position and
return the keys to the ignition switch.
eng
MAINTENANCE
a
Description
Extreme Grease
d
c
b
2693
Where Used
Propeller shaft splines
Nm
75
81
a - Propeller hub
e
assembly
b - Propeller
c - Washer
d - Belleville washer
e - Washer
f - Propeller nut
f
2691
lb. in.
Part No.
8M0071842
lb. ft.
55