TOHATSU BFT75A Service Manual page 464

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ASSEMBLY
Set the pinion gear [1] on the vertical shaft [2], and
loosely tighten the pinion gear nut [3] by hand.
Apply gear oil to the inner wall of new taper roller
bearing inner races [4], roller and the circumference of
new outer race [5].
Assemble the inner races and the outer race.
Install new pinion gear shim [6] and taper roller bearing
on the vertical shaft.
• When the gear case, vertical shaft, pinion gear, or
taper roller bearing is replaced with a new one,
perform the shim adjustment and select the
appropriate shim accordingly (page 16-37).
• Set the taper roller bearing with the side on which
the "D" dimension was measured during shim
adjustment toward the pinion gear.
Set the special tool on the vertical shaft [1].
TOOL:
Disassembly tool, B [2]
Set the vertical shaft on the hydraulic press with the
pinion gear [3] side facing up as shown.
• Check that the ends of the special tool [4] are set on
the taper roller bearing inner race and on the
hydraulic press table [5] securely.
• Do not damage the threads at the end of the vertical
shaft (pinion gear nut installation part [6]).
After installation, turn the outer race ten to twenty turns
and check that the bearing turns smoothly.
Remove the pinion gear nut and pinion gear from the
vertical shaft.
Install the oil slinger [1] on the vertical shaft [2] by
aligning the projection [3] on the inside of the oil slinger
with the recess [4] on the pinion gear installation side of
the vertical shaft.
[2]
[1]
07964-MB00200
[1]
[5]
[2]
GEAR CASE
[5]
[3]
[2]
[4]
[1]
[4]
[6]
[6]
[3]
[4]
[3]
16-35