Installation - Mercury MerCruiser MCM 454 Mag MPI Service Manual

DRIVE SHAFT / PROPELLER SHAFT MODELS
7. Install input shaft, then install snap ring. Wipe up excessive Loctite.
IMPORTANT: Do not let Loctite get into ball bearing.
8. Fill bearing area with Quicksilver U-Joint and Gimbal Bearing Grease through grease
fitting.
9. Apply Quicksilver Engine Coupler Spline Grease to splines of input shaft before install-
ing drive unit.
7.4L MPI Version

Installation

1. Install bearing support assembly (tailstock) on transom plate using hardware as shown.
Tighten bolts until snug. DO NOT TORQUE BOLTS AT THIS TIME.
IMPORTANT: The spherical washers MUST BE positioned so that the rounded side
of the washers are toward the bearing support assembly as shown.
Index
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a b
a - Snap Ring - Input Shaft
b - Snap Ring - Ball Bearing
c - Ball Bearing
d - Bearing Support
e - Grease Fitting
f - Oil Seal
g - Grease Fitting
h - Input Shaft
i - Plug - Input Shaft
a - Bolts 1/2-20 x 4 In. (102 mm) Long
b - Steel Washer (Flat)
c - Spherical Washer (Rounded On One Side)
d - Bearing Support
e - Spherical Washer (Rounded On One Side)
f - Nut 1/2-20
g - Transom Plate
h - Bearing Support (Tailstock)
c
e
d
g
h
b
SERVICE MANUAL NUMBER 23
f
g
h
i
a
c
d
e
i
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