Hitachi CM 4SB2 Technical Data And Service Manual page 15

(5) Disassembly of the Spindle [38] (Fig. 6)
Remove the Ball Bearing 606ZZC2PS2L [39] from the Spindle [38]. Push the end surface of the Spindle [38]
with a hand press holding the side of the Gear [56] to remove the Gear [56].
NOTE: It is recommended to replace the Gear [56] together with the Spindle [38]. (Because the press-
fitting force is decreased as it is press-fitted without key.)
(6) Disassembly of the Bearing Bushing [21] (Fig. 7)
1 Pull out the Bearing Bushing [21] from the Housing Ass'y [13]. Remove the Rubber Ring [19] and the
Rubber Washer [20] from the inside of the Bearing Bushing [21].
[56]
[38]
Fig. 6
[13]
Fig. 7
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[39]
[20] [21]
[19]