TOHATSU BFT115A Service Manual page 357

WATER PUMP REMOVAL/
INSTALLATION
REMOVAL
Remove the following:
– Propeller
– Standard rotation type (page 16-6)
– Counter rotation type (page 17-6)
– Gear case
– Standard rotation type (page 16-8)
– Counter rotation type (page 17-8)
Remove the water tube seal ring (1) from the impeller
housing (2)
Remove the four bolts (8 x 60 mm) (3), four distance
collars (4), and impeller housing.
Remove the special key (5) from the vertical shaft (6).
• Check the special key and key groove of the vertical
shaft for wear; replace them if necessary.
Remove the speed sensor tube (7).
Remove the pump impeller (1), pump liner (2) and
water pump O-ring (3) from the impeller housing (4).
Check the impeller housing for deformation; replace it if
necessary.
Check the impeller for cracks, wear, or damage;
replace it if necessary.
Check the pump liner for cracks or wear; replace it if
necessary
Remove the following:
– Impeller cover (1)
– Impeller gasket (2)
– Two dowel pins (3)
– Gear case grommet (4)
– Rubber setting plate (5)
COOLING SYSTEM
(1)
(2)
(6)
(7)
(4)
(2)
(1)
(2)
(3)
(3)
(4)
(5)
(3)
(1)
(4)
(5)
11-7