TOHATSU BFT115A Service Manual page 521

Apply gear oil to the circumference of the thrust bearing
(1).
Soak the propeller shaft holder (2) in a container filled
with oil with its reverse bevel gear installation side (3)
facing down as shown.
Heat the oil to 80 – 90°C (176 – 194°F).
• Do not heat the oil above 90°C (194°F).
• Be sure to wear gloves during the procedure.
After entire propeller shaft holder becomes hot, remove
it out of the container.
Quickly install the thrust bearing washer (4), thrust
bearing, propeller shaft (5) and reverse bevel gear
assembly (6) to the propeller shaft holder in this order.
• Install the thrust bearing washer with its chamfered
side (7) facing the propeller shaft holder.
• Check that there is no groove at the spline (8) of the
propeller installation area of the propeller shaft. If
there is a groove, this propeller shaft is for counter
rotation type.
Wait until the propeller shaft holder is adequately
cooled down.
SHIFT SLIDER INSTALLATION
Install a shift spring (1), two steel balls (#9) (2), the
other shift spring and shift plate (3) into the shift slider
(4) in this order.
Install the roller (5) by aligning the hole in the shift slider
with the hole in the shift plate, then install the circlip (6).
GEAR CASE (STANDARD ROTATION)
(2)
(6)
(5)
(1)
(7)
(4)
(2)
(5)
(2)
(4)
(3)
(8)
(3)
(1)
(6)
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