Section 4 - Maintenance
Page 68 90-8M0113859 eng DECEMBER 2015
Alpha or Bravo One 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.
1. Place a wood block between the propeller blade and the anti‑ventilation plate to prevent rotation. Straighten the bent tabs
on the locknut retainer.
2. Turn the propeller shaft locknut counterclockwise to remove the nut.
3. Slide the components off the propeller shaft.
Alpha or Bravo One 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 the locknut retainer, carefully inspect the retainer for cracks or other damage. Replace the retainer if its
condition is questionable.
1. Apply one of the following lubricants onto the propeller shaft.
Tube Ref No. Description Where Used Part No.
95
2-4-C with PTFE Propeller shaft 92-802859A 1
Extreme Grease Propeller shaft (saltwater only) 8M0071842
2. Install the propeller onto the shaft as shown in the following illustrations. If the components supplied with the propeller are
different than what is shown, refer to the propeller installation instructions provided with your product or contact your
dealer.
3. Place the locknut retainer over the raised pins on the drive sleeve adapter and tighten the locknut to the specified torque.
Description
Nm lb‑in. lb‑ft
Locknut ‑ propellers without a hub bushing 75 – 55.3
Locknut ‑ propellers with a hub bushing 136 – 100
4. Secure the locknut by bending the tabs up against the flats on the nut.
Flo-Torq ll propeller without a hub bushing
a - Forward thrust washer
b - Drive sleeve
c - Propeller
d - Drive sleeve adapter
e - Locknut retainer
f - Locknut
g - Raised pins
h - Tabs bent against the locknut
Flo-Torq ll propeller with a hub bushing
a - Forward thrust washer
b - Hub bushing
c - Drive sleeve
d - Propeller
e - Drive sleeve adapter
f - Locknut retainer
g - Locknut
h - Raised pins
i - Tabs bent against the locknut
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