Propeller Installation (Alpha); Alpha Models - Mercury MerCruiser 3.0 MPI Installation Manual

SECTION - 9
3. Ensure that the rubber gasket is inside the gear lube monitor cap.
4. Install the gear lube monitor cap. Do not overtighten.
5. Recheck gear lube level after first use.

Propeller Installation (Alpha)

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.
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. To aid in future removal of the propeller, liberally coat propeller shaft splines with lubricant.
Tube Ref No.
IMPORTANT: Installation is correct when at least 2 threads of propeller shaft are exposed through
propeller nut after torquing it.

ALPHA MODELS

1. Install propeller with attaching hardware as shown.
2. Torque the nut, then continue to tighten until 3 tabs on the tab washer align with grooves on
spline washer.
90-899883183 DECEMBER 2007
Description
Special Lubricant 101
34
PREDELIVERY PREPARATION AND STORAGE
WARNING
!
WARNING
!
7885
Where Used
Propeller shaft splines
Part No.
92-802865Q02
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