TOHATSU BFT75A - Page 457

16-28
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GEAR CASE
INSTALLATION
Install a new shim [1] on the gear case [2].
• When the gear case, forward bevel gear, or the
taper bearing have been replaced with new ones,
perform shim adjustment and select the appropriate
shim accordingly (page 16-40).
Apply gear oil to a new taper bearing (outer race) [3].
Install the taper bearing (outer race) on the gear case
using the special tools as shown.
• Replace the taper bearing (outer race) and the inner
race with new ones as a set on reassembly.
• Install the taper bearing (outer race) with the smaller
I.D. side toward the shim.
Apply gear oil to the inner surface and the rollers of a
new taper bearing (inner race) [1].
Set a wood block [2] under the forward bevel gear [3].
Drive the taper bearing (inner race) into the forward
bevel gear using the special tools and a hydraulic
press.
Install the forward bevel gear/taper bearing [1] in the
gear case.
Wipe the tapered part of the vertical shaft [2] and pinion
gear [3] with a shop towel and degreasing cleaning
solvent.
Install the pinion gear and vertical shaft.
• Before installing the pinion gear, make sure that the
forward bevel gear/taper bearing is positioned in the
gear case correctly.
TOOLS:
Driver handle, 15 x 280 mm [4] 07949-3710001
Attachment, 52 x 55 mm [5] 07746-0010400
Mandrel [6] 07SPD-ZW0010Z
Pilot, 25 mm [7] 07746-0040600
[5]
[4]
[3]
[1]
[7]
[6]
[2]
TOOLS:
Driver [4] 07749-0010000
Attachment, 52 x 55 mm [5] 07NAD-P200100
[1]
[3]
[2]
[4]
[5]
[2]
[3]
[1]