Hitachi D 13VB3 Technical Data And Service Manual page 17

c. (For keyed chuck only)
Secure the drill chuck with a disassembly tool: Ring (J-78) to the drill chuck, which in proper sequence should
be secured with a vise. Then fit a disassembly tool: Wrench Ass'y (J-140) to the spindle, and turn it
counterclockwise to loosen the drill chuck. (Fig. 9)
Ring ass'y and ring (J-78)
Vise
8-1-3. Gear cover section disassembly
(1) Removal of the spindle
Remove the Retaining Ring For D35 Hole [5] <5> (5). Support the tip of Gear Cover (A) [9] <9> (9) with a
cylindrical jig of inside diameter 35 mm or more, and push the rear portion of the Spindle [4] <4> (4) lightly.
Then the spindle can be removed together with the Ball Bearing 6202DDCMPS2L [6] <6> (6).
(Fig. 10)
Ball Bearing
6202DDCMPS2L
[6] <6> (6)
Wrench ass'y (J-140)
Drill chuck
Fig. 9
Push.
Spindle [4] <4> (4)
Dia. 35 min.
Fig. 10
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Turn it counterclockwise.