TOHATSU 40 Service Manual page 144

11. Apply gasket sealant to guide plate side of upper pump
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case gasket (11). Mount gasket on guide plate.
17
Models 115, 120, and 140 are equipped with special
shaped pump case o-ring seal (12) instead of gasket.
Apply a thin bead of anaerobic gasket maker in the
upper pump case seal groove and install o-ring seal
in groove.
Installation
1. Apply a light coating of genuine grease or equivalent
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friction surface marine grease to the oil seal lips (1), and o-
ring (2). Apply an aerobic gasket maker to flanged surface (3) to
provide adequate seal between lower pump case and gearcase.
2. Slide lower pump case down driveshaft and seat into
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position on gearcase.
3. Insert impeller key (4) in driveshaft and align impeller slot
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with key. Hold the impeller key in place and push impeller
down until seated in position.
3-/ 4-Cylinder
T1353
NOTE
GEARCASE
T1354
T1355
T1356
T1357
6-7