TOHATSU BFT115A Service Manual page 362

COOLING SYSTEM
Set the special key (1) to the groove (2) in the vertical
shaft (3).
Install the pump impeller (4) by aligning the key groove
(5) in the pump impeller with the special key.
Install the impeller housing (6) while turning the vertical
shaft clockwise.
Be sure to turn the vertical shaft clockwise.
Install the four distance collars (1) on the impeller
housing (2) and tighten the four bolts (8 x 40 mm) (3) to
the specified torque.
TORQUE: 20 N·m (2.0 kgf·m, 15 lbf·ft)
Apply marine grease to the inner wall of the water tube
seal ring (4).
Install the water tube seal ring by aligning the projection
(5) with the hole (6) in the housing.
Install the speed sensor tube (7).
Perform the gear case pressure check after assembly:
– Standard rotation type (page 16-47)
– Counter rotation type (page 17-51)
Install the following:
– Gear case
– Standard rotation type (page 16-8)
– Counter rotation type (page 17-8)
– Propeller
– Standard rotation type (page 16-6)
– Counter rotation type (page 17-6)
11-12
(3)
(4)
(5)
(6)
(4)
(2)
(7)
(1)
(2)
(3)
(5)
(6)
(3)
(1)