Mercury MerCruiser 4.3 TKS, User Manual

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Section 5 - Maintenance
Page 68 90-899883179 OCTOBER 2007
Bravo Two Propeller Removal
!
WARNING
Rotating propellers can cause serious injury or death. Never operate the boat out of the
water with a propeller installed. Before installing or removing a propeller, place the drive
unit in neutral and engage the lanyard stop switch to prevent the engine from starting.
Place a block of wood between the propeller blade and the anti‑ventilation plate.
!
WARNING
Rotating propellers can cause serious injury or death. Never operate the boat out of the
water with a propeller installed. Before installing or removing a propeller, place the drive
unit in neutral and engage the lanyard stop switch to prevent the engine from starting.
Place a block of wood between the propeller blade and the anti‑ventilation plate.
1. Place wood block between propeller blade and anti‑ventilation plate to prevent rotation.
Straighten bent tabs on tab washer.
2. Turn propeller shaft nut counterclockwise to remove nut.
3. Slide tab washer, spline washer, propeller and thrust hub off propeller shaft.
Bravo Two Propeller Installation
NOTICE
Operating the engine with a loose propeller can damage the propeller, the drive, or drive
components. Always tighten the propeller nut or nuts to specification and check for
tightness periodically and at the required maintenance interval.
IMPORTANT: If reusing tab washer, carefully inspect tabs for cracks or other damage.
Replace tab washer if condition is questionable.
a
b
c
d
e
f
14946
a - Propeller shaft
b - Thrust hub
c - Propeller
d - Propeller nut
e - Spline washer
f - Tab washer
1. Slide thrust hub into propeller hub with stepped side toward propeller hub.
2. Apply a liberal coat of one of the following lubricants to the propeller shaft.
Tube Ref No. Description Where Used Part No.
34
Special Lubricant 101 Propeller shaft 92-802865Q02
94
Anti-Corrosion Grease Propeller shaft 92-802867Q 1
95
2-4-C Marine Lubricant with
Teflon
Propeller shaft 92-802859A1