Mercury MerCruiser 4.3 TKS, User Manual

Page: 72 / 122

Section 5 - Maintenance
Page 64 90-899883179 OCTOBER 2007
NOTE: If the boat is operated at idle for prolonged periods of time, coupler should be
lubricated
Bravo Models
‑ every 50 hours;
Alpha Models
‑ every 150 hours.
a
6213
a
6212
Alpha drive coupler Bravo drive coupler
a - Grease fitting
Tube Ref No. Description Where Used Part No.
91
Engine Coupler Spline Grease Coupler 92-802869A1
NOTE:
Alpha Models
‑ Your power package is equipped with a sealed engine coupler
and Perm‑a‑Lube U‑joints. The sealed coupler and shaft splines can be lubricated without
removing the sterndrive unit. The Perm‑a‑Lube U‑joints do not require lubrication.
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
b
a
c
17014
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