Section 5 - Maintenance
Page 80 90-864197076 NOVEMBER 2008
Driveshaft Extension Models
1. Lubricate the transom end grease fitting and engine end grease fitting by applying approximately 10 ‑ 12 pumps of grease
from a typical hand‑operated grease gun.
2. Lubricate the driveshaft grease fittings by applying approximately 3 ‑ 4 pumps of grease from a typical hand‑operated grease
gun.
a - Driveshaft grease fittings
b - Transom end grease fitting
c - Engine end grease fitting
Tube Ref No. Description Where Used Part No.
42
U-joint and Gimbal
Bearing Grease
Transom end grease fitting, engine end grease fitting,
driveshaft grease fittings
92-802870A1
Propellers
Propeller Repair
Some damaged propellers can be repaired. Contact your authorized Mercury MerCruiser dealer.
Alpha 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 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, drive sleeve, propeller and thrust hub off propeller shaft.
Alpha 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.
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