Mercury 30 - 60 HP, Installation Manual, Page: 15 / 16

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Propeller Installation
3-1/4 in. (83mm) Diameter Gear Case
WARNING
If the propeller shaft is rotated while the engine is
in gear, there is the possibility that the engine will
crank over and start. To prevent this type of acci-
dental engine starting and possible serious inju-
ry caused from being struck by a rotating propel-
ler, always shift outboard to neutral position and
remove spark plug leads when you are servicing
the propeller.
Flo-Torq I Drive Hub Propellers
a
c b
a - Forward Thrust Hub
b - Propeller Nut Retainer
c - Propeller Nut
Flo-Torq II Drive Hub Propellers
a
c
b
d
e
a - Forward Thrust Hub
b - Replaceable Drive Sleeve
c - Rear Thrust Hub
d - Propeller Nut Retainer
e - Propeller Nut
5. Tighten propeller nut to 55 lb.ft. (75 N·m). Bend
tabs against nut.
a
b
b
a - Propeller Nut - Torque To 55 lb. ft. (75 N·m)
b - Bend Tabs Against Nut
Propeller Installation (Cont.)
4-1/4 in. (108 mm) Diameter Gear
Case
WARNING
If the propeller shaft is rotated while the engine is
in gear, there is the possibility that the engine will
crank over and start. To prevent this type of acci-
dental engine starting and possible serious inju-
ry caused from being struck by a rotating propel-
ler, always shift outboard to neutral position and
remove spark plug leads when you are servicing
the propeller.
Flo-Torq I Drive Hub Propellers
a
c
b
d
e
a - Forward Thrust Hub
b - Continuity Washer
c - Thrust Hub
d - Propeller Nut Retainer
e - Propeller Nut
Flo-Torq II Drive Hub Propellers
a
c
b
d
e
a - Forward Thrust Hub
b - Replaceable Drive Sleeve
c - Rear Thrust Hub
d - Propeller Nut Retainer
e - Propeller Nut
6. Tighten propeller nut to 55 lb.ft. (75 N·m). Bend
tabs into grooves.
a
b
a - Propeller Nut - Torque To 55 lb. ft. (75 N·m)
b - Bend Tabs Into Grooves