279
GEARCASE
WATER PUMP SERVICE
13
Assembly
Lightly coat the exterior rim of 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.
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.
Lightly coat the inside of the liner with Triple-
Guard grease. With a counterclockwise rotation,
install the impeller into the liner with the slot for
the impeller cam facing out.
Apply a thin bead of Adhesive 847 in the seal
groove, and install the special shaped O-ring seal.
Apply Gasket Sealing Compound to both sides of
a new impeller plate gasket. Install the gasket and
impeller plate.
Apply Triple-Guard grease or Adhesive 847 to
temporarily hold drive cam in place.
The sharp edge of the cam is the leading edge in
clockwise rotation.
Slide the water pump down the driveshaft. Align
impeller slot with the impeller cam. Rotate the
driveshaft to engage the impeller cam with the
1. Index tab 001215
1. Air bleed groove 006415
1
1
1. Impeller
2. O-ring seal
001216
1. Impeller plate gasket
2. Impeller plate
3. Drive cam
001217
1
2
3
2
1
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