Mercury 40 FourStroke Maintenance And Installation Manual page 118

3. Flo‑Torq II drive hub propellers ‑ Install forward thrust hub, propeller,
replaceable drive sleeve, rear thrust hub, propeller nut retainer, and
propeller nut onto the shaft.
b c
a
d
4. Place propeller nut retainer over pins. Place a block of wood between
gearcase and propeller and tighten propeller nut to specifications.
Description
Propeller nut
5. Align flat sides of the propeller nut with tabs on the propeller nut retainer.
Secure propeller nut by bending tabs up and against the flats on the
propeller nut.
a
b
6. Install spark plug leads.
INSTALLATION
f
e
26904
b
a -
b -
a
26906
a - Propeller nut
b - Propeller nut retainer
c - Rear thrust hub
d - Replaceable drive sleeve
e - Propeller
f - Forward thrust hub
Nm
75
Pins
Tabs
108
lb‑in. lb‑ft
– 55
eng