Johnson J10RLSRD Service Manual page 269

GEARCASE
WATER PUMP
Apply Adhesive M to outside of water tube grom-
met. Install grommet and locate grommet bosses
into holes of impeller housing.
1. Grommet
21059
Apply Adhesive M to the seal groove of the impel-
ler housing. Install a new seal into the groove.
1
1.
Seal
21062
Lightly oil pinion splines of the driveshaft. Slide the
driveshaft through the impeller housing and impel-
ler until drive cam flat of the drives haft is below the
impeller. Align drive cam flat with groove of the
impeller. Install the impeller drive cam.
1. Drive cam
6294
268
Sharp edge of the cam is leading edge during
driveshaft rotation. Slide the impeller housing
down the driveshaft. Engage the impeller with the
cam .
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2
1. Driveshaft rotation
C02995
2. Drive cam
IMPORTANT: Confirm the impeller is oriented
properly and engages the impeller cam properly.
Serious powerhead damage will result if impeller
cam is displaced.
Lightly coat both sides of a new impeller plate
gasket with Gasket Sealing Compound. Place
gasket on the gearcase.
Place the impeller plate over the gasket.
Slide the driveshaft down into the gearcase and
engage the pinion.
Turn the driveshaft until holes of the impeller
housing are aligned with holes of the gearcase.
Place the washers on the six impeller housing
screws. Apply Gasket Sealing Compound to the
threads of the screws. Install and tighten the
screws to a torque of 60 to 84 in. Ibs. (7 to 9 N.m).
21058
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