TOHATSU BFT250A - Page 482

16-28
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GEAR CASE (STANDARD ROTATION)
INSTALLATION
Install the forward bevel gear shim [1] on the gear case.
• 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 16-35).
Apply gear oil to a new taper bearing (outer race) [2].
Install the taper bearing (60 x 100 x 30 mm) (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 (60 x 100 x 30 mm) (inner race)
into the forward bevel gear using the special tools and a
hydraulic press.
Apply marine grease to the nineteen needle bearing
rollers [1] and install them into the needle bearing outer
ring [2].
Install the forward bevel gear/taper bearing [3] into the
gear case.
TOOLS:
Driver, 480 mm [2] 070GD-001A100
Taper bearing installer
attachment, 90 mm [3] 070PF-ZY3A100
[1]
[2][3]
[2]
TOOLS:
Driver [4] 07749-0010000
Attachment, 52 x 55 mm [5] 07NAD-P200100
[4]
[2]
[3]
[1]
[5]
PRESS
[1]
[2]
[3]