TOHATSU BFT250A Service Manual page 487

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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.
EXPLODED VIEW
VERTICAL SHAFT
OIL SLINGER
GEAR CASE (STANDARD ROTATION)
[1] JAW, OTC1123
(Commercially
available)
TAPER ROLLER BEARING
(32 x 66 x 49 mm) (INNER RACE)
TAPER ROLLER BEARING
(32 x 66 x 49 mm) (OUTER RACE)
TAPER ROLLER BEARING
(32 x 66 x 49 mm) (INNER RACE)
PINION GEAR SHIM
[2]
[3]
[4]
16-33