TOHATSU BFT75A - Page 333

11-10
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COOLING SYSTEM
Install a new impeller gasket [1] and impeller cover [2].
Apply marine grease to the pump liner [1] inner surface.
Install the pump liner in the impeller housing [2] by
aligning the two projections [3] on the pump liner with
the two grooves [4] in the impeller housing.
Be sure that part "A" [5] of the pump liner is in alignment
with part "B" [6] of the impeller housing.
Apply marine grease to a new water pump O-ring [7]
and install it into the impeller housing.
Set the special key [1] to the groove [2] in the vertical
shaft.
Install the pump impeller [3], aligning the key groove [4]
in the pump impeller with the special key.
Set the impeller housing [5] on the vertical shaft.
Install the impeller housing while turning the vertical
shaft clockwise.
• Be sure to turn the vertical shaft clockwise.
[1]
[2]
[5]
[1]
[3]
[4]
[6]
[2]
[7]
[3]
[5]
[2]
[1]
[4]