TOHATSU BFT115A Service Manual page 588

GEAR CASE (COUNTER ROTATION)
Hold the vertical shaft (1) upright with the pinion gear
facing up.
Set a commercially available depth gauge (2) in the
groove (3) of the pinion gear side special tool (4) as
shown. Measure the length (D) from the pinion gear end
to the end of the vertical shaft flange and record the
measurement.
If using a vernier caliper (5), set it in the small hole (6) of
the special tool as shown.
MEASUREMENT D:
(3)
Assemble the outer race (1) and inner race (2) of the
taper roller bearing, and turn the outer race two or three
turns to seat the bearings.
If using a depth gauge (3), measure the bearing height
(E') from the outer race end to the inner race end as
shown, and record the measurement.
If using a vernier caliper (4), remove one side of the
inner race and measure the bearing height (E').
17-42
(2)
(6)
(4)
(1)
MEASUREMENT E ' :
(2)
(2)
(5)
(1)
(1)
(3)
(1)
(4)
(4)