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Mercury MerCruiser MCM 502 Mag MPI

Mercury MerCruiser MCM 502 Mag MPI
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DRIVE SHAFT / PROPELLER SHAFT MODELS SERVICE MANUAL NUMBER 23
Page 8F-12 90-861326--1 MARCH 1999
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.
75281
a
b
c
e
f
g
h
i
d
7.4L MPI Version
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
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.
75279
a
b
c
d
e
g
h
i
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)
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