292
GEARCASE
WATER PUMP SERVICE
WATER PUMP SERVICE
Disassembly
Rotate the driveshaf t coun terclockwise to unlock
the impeller key. Remove the four impeller hou s-
ing screws.
Slide the wa ter pump of f the driveshaf t. Remove
the impeller key, O-ring, impe ller plate, and ga s-
ket. Discard the gasket.
Remove all the parts from the housing.
Inspection
Check impeller fo r overh eating, hub sep aration,
and other wear or damage.
Check liner and wear plate for scoring, distortion,
and impeller material transfer.
Inspect the housing for cracks or melting.
Make sure gasket surface is clean and smooth.
Assembly
Apply a drop o f Adhesive 847 in the seal ring
groove at each of the four ribs.
IMPORTANT: Do not allow any sealer to get into
the air bleed groove in the impeller housing. If this
groove is blocked by adhesive, the pump will lose
its prime and will not pump water.
Install the O-ring in groove in the impeller housing.
Lightly coa t the exterio r rim o f the impeller cup
with Gasket Sealing Compound. Install the cup in
the impeller housing. The cup locks in place in the
housing with a square index tab.
Make sure vent hole in impeller cup is open.
1. Screws 31998
1. Gasket surface 006876
1. Seal ring groove
2. Ribs
3. Air bleed groove
2311
DR1185
1. O-ring 34814
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