Sterndrive Unit And Transom Assembly; Sterndrive U-Joint Shaft Splines And O-Rings (Sterndrive Unit Removed); Engine Coupler - Mercury MerCruiser 4.3 TKS User Manual

Sterndrive Unit and Transom Assembly

1. Lubricate gimbal bearing by applying approximately 8‑10 pumps of grease from a
typical hand‑operated grease gun.
Tube Ref No.
2. For propeller shaft lubrication, refer to Propellers.
Sterndrive U‑joint Shaft Splines And O‑rings (Sterndrive Unit Removed)
1. Coat sterndrive U‑joint O‑rings and driveshaft splines with grease.
Tube Ref No.
2. For propeller shaft lubrication, refer to Propellers.

Engine Coupler

1. Lubricate engine coupler splines through grease fittings on coupler by applying
approximately 8‑10 pumps of grease from a typical hand‑operated grease gun.
90-899883179 OCTOBER 2007
a - Gimbal bearing grease fitting
Description
U-joint and Gimbal Bearing
42
Grease
a - Driveshaft splines
Description
Engine Coupler Spline Grease
91
a
mc77068-1
Where Used
Gimbal bearing
b
a
8591
b - U‑joint O‑rings (3)
Where Used
Driveshaft splines and U-joint
O-rings
Section 5 - Maintenance
Part No.
92-802870A1
Part No.
92-802869A1
Page 63