Section 5 - Maintenance
Page 90 90-864195070 JUNE 2007
NOTE:
Bravo Models
‑ The coupler and shaft splines can be lubricated without removing
the sterndrive unit. Apply lubricant from a typical hand‑operated grease gun until a small
amount of grease begins to push out. The Perm‑a‑Lube U‑joints do not require lubrication.
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.
!
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.
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.
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