Mercury 40 4-Stroke Manual page 90

3. Flo-Torq II Drive Hub Propellers - Install forward thrust hub, replaceable drive sleeve, propeller,
thrust hub, propeller nut retainer and propeller nut onto the shaft.
a - Propeller nut
b - Propeller nut retainer
c - Thrust hub
NOTE: Stainless Steel Applications - Installation of a Flo-Torq III drive hub propeller is recommended.
4. Flo-Torq III Drive Hub Propellers - Install forward thrust hub, replaceable drive sleeve, propeller,
thrust hub, propeller nut retainer and propeller nut onto the shaft.
a
a - Propeller nut
b - Propeller nut retainer
c - Rear thrust hub
5. Place a block of wood between gearcase and propeller and torque propeller nut to specifications.
Description
Propeller nut
6. Secure propeller nut by bending three of the tabs into the thrust hub grooves.
OUTBOARD INSTALLATION
a b
c
b c
f
e
d
d - Propeller
e - Replaceable drive sleeve
f - Forward thrust hub
e f
d
d - Propeller
e - Replaceable drive sleeve
f - Forward thrust hub
Nm lb. in.
75
26945
84
26941
3223
lb. ft.
55