Mercury D4.2L Manual page 97

CD356
Propellers (Bravo Three)
Avoid Injury: Remote Control must be in NEUTRAL and ignition key removed from switch before
removing and/or installing propellers.
Avoid Injury: Place a block of wood between splash-plate and propellers to protect hands from
propeller blades and to prevent propellers from rotating when removing propeller nuts.
Avoid Injury: Do not operate with loose propeller. Periodically check propeller nuts for tightness
during boating season.
REMOVAL (BRAVO THREE)
1
Place wood block between propeller blades and anti-ventilation plate to prevent rotation.
2
Turn aft propeller shaft nut counterclockwise to remove nut.
3
Slide propeller and thrust hub off propeller shaft.
4
Turn front propeller shaft nut counterclockwise to remove nut.
5
Slide propeller and thrust hub off propeller shaft.
CA79
REPAIR
Some damaged propellers can be repaired. See your dealer.
CB721
INSTALLATION (BRAVO THREE)
6
Apply a liberal coat of one of the following Quicksilver lubricants to both propeller shafts: Special Lubricant
101, 2-4-C Marine Lubricant with Teflon, or Anti-Corrosion Grease.
7
Slide forward thrust hub onto propeller shaft, with tapered side toward propeller hub (toward end of shaft).
8
Align splines and place propeller on propeller shaft.
9
Install propeller nut. Tighten nut securely. A minimum of 100 lb-ft (136 Nm) torque is required. Check propeller
at least after 20 hours of operation. Do not operate with loose propeller.
10
Slide aft thrust hub onto propeller shaft, with tapered side toward propeller hub (toward end of shaft).
11
Align splines and place propeller on propeller shaft.
12
Install propeller nut. Tighten nut securely. A minimum of 60 lb-ft (81 Nm) torque is required. Check propeller
at least after 20 hours of operation. Do not operate with loose propeller.
Avoid loss of propeller (propulsion). Do not operate with a propeller nut that is improperly tightened.
WARNING
WARNING
CAUTION
CAUTION
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