Reassembly - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SERVICE MANUAL NUMBER 23
7. Replace any damaged parts.

Reassembly

1. If removed, install new plug in end of input shaft.
2. Apply Quicksilver Loctite 27131 to outer diameter of new oil seal.
3. Press oil seal into bearing support. Lip of seal faces away from ball bearing.
4. Apply Loctite 290 to outer diameter of ball bearing and inner diameter of bearing
5. Install bearing (with sealed side toward snap ring) by using a press. After installation,
6. Apply Loctite 290 to outer diameter of input shaft (bearing area) and inside diameter of
Index
90-861326--1 MARCH 1999
Downloaded from https://needmanual.com/
a
b
c
j
c
d
454/502 Mag 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 - Input Shaft
h - Grease Fitting
i - Plug - Input Shaft
j - Spacer
support.
wipe up excessive Loctite. Install snap ring.
bearing race.
e
f
g
h
i
a
b
d
7.4L MPI Version
DRIVE SHAFT / PROPELLER SHAFT MODELS
c
e
f
75280
g
h
i
75281
Page 8F-11