4. Remove the faceplate.
a - Drive key
b - Faceplate
5. Remove the water tube grommet from the pump cover. Inspect the grommet for wear or damage. Replace the grommet as
required. When installing the grommet into the pump cover, align the grommet tabs with the holes in the pump cover.
a - Hole (2)
b - Tab (2)
c - Grommet
d - Water pump cover
6. Inspect the pump cover for damage from excessive heat; charring, blistering, or discoloration. Replace the cover as
required.
IMPORTANT:
The circular groove formed by the impeller sealing bead should be disregarded when inspecting the liner
and the faceplate. The depth of the groove will not affect the water pump output.
7. Inspect the water pump liner and the faceplate for grooves or rough surfaces.
a - Water pump cover
b - Water pump liner
c - Faceplate
8. Replace the liner or faceplate if the grooves (other than sealing grooves) are more than 0.762 mm (0.030 in.).
9.
Remove the screw and clamp securing the water pump base.
10. Use the pry points to remove the water pump base from the gear housing. The shift shaft will lift out with the base.
Gear Housing (2.15:1)
90-8M0125265 eng NOVEMBER 2017 © 2018 Mercury Marine Page 6A-19
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