TOHATSU BFT 250A, Service Manual

Page: 535 / 639

17-31
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GEAR CASE (COUNTER ROTATION)
VERTICAL SHAFT DISASSEMBLY/
ASSEMBLY
DISASSEMBLY
Remove the oil slinger [1] from the vertical shaft [2] by
expanding the cut in the oil slinger with a screwdriver.
Check the taper roller bearing for abnormal sound and
play.
Replace the inner race and outer race as a set if
necessary.
Set a commercially available universal bearing puller [1]
on the taper roller bearing [inner race], and install the
vertical shaft [2] on the hydraulic press with the flywheel
boss installation side facing up.
Remove the taper roller bearing (32 x 66 x 49 mm) [3]
from the vertical shaft using a hydraulic press.
Remove the pinion gear shim [4] from the vertical shaft.
[1]
[2]
[3]
[2]
[4]
[1] JAW, OTC1123
(Commercially
available)