TOHATSU 40 Service Manual page 145

SECTION 6
5. Lubricate the impeller fins with soapy water and slide upper
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pump case down driveshaft. Hold pump case securely and
push downward while rotating driveshaft clockwise to seat the
impeller.
Do not rotate driveshaft counterclockwise. Doing
so will bend impeller fins in wrong direction and
may weaken or damage the impeller.
6. Ensure upper pump case is aligned and fully seated on the dowel
pins. Hold the upper pump case in position and rotate driveshaft
clockwise to ensure free movement.
Make sure impeller fins are not caught or pinched
between upper and lower pump cases when
upper pump case is fully seated.
7. Apply genuine grease or equivalent friction surface marine
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grease to neck portion of water pump mounting bolts. Install
the bolts.
8. Install the gearcase. See Gearcase, this section.
6-8
CAUTION
CAUTION
T1355
T1356
3-/ 4-Cylinder