Seawater Pump Reassembly - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SEAWATER COOLED MODELS
2. Remove seawater pump body, quad ring and wear plate from bearing housing.
3. Remove the impeller from seawater pump body.

Seawater Pump Reassembly

1. Lubricate seawater pump impeller with a water and soap solution. Install impeller into
housing by rotating and pushing it into place. Push it down until flush with housing.
2. Place wear plate over bearing housing shaft.
Index
Page 6A-12
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a - Seawater Pump Body
b - Wear Plate
c - Bearing Housing
d - Quad Ring (Not Shown In This View)
a
a - Impeller
c
b
a
d
SERVICE MANUAL NUMBER 23
75275
71118
71150
90-861326--1 MARCH 1999