Hitachi D 10VF, Technical Data And Service Manual

Page: 19 / 104

--- 16 ---
c. (For keyed chuck only)
Secure the drill chuck with a disassembly tool: Ring Ass'y and Ring (for 10 mm drill chuck: J-90, ring Code No.
970833, ring ass'y Code No. 970832) (for 13 mm drill chuck: J-78, ring Code No. 970818, ring ass'y Code No.
970817) to the drill chuck, which in proper sequence should be secured with a vise. Then fit a disassembly
tool: Wrench Ass'y (J-140, Code No. 970921) to the spindle, and turn it counterclockwise to loosen the drill
chuck. (Fig. 17)
Fig. 17
Turn it counterclockwise.
Drill chuck
Ring Ass'y and Ring
for 10 mm drill chuck: J-90
for 13 mm drill chuck: J-78
Wrench Ass'y (J-140)
Vise
8-1-3. Gear cover section disassembly
(1) Removal of the second pinion (except the Model D 10VF)
Second Pinion 13 [13] <13> can be removed by tapping the end of Gear Cover (A) 10 [10] <10>.
(2) Disassembly of the second pinion
Place the end surface of the First Gear 14 [14] <14> on a tubular jig and press down on the Second Pinion
13 [13] <13> with a hand press. (Fig. 18)
< CAUTION > Be sure to replace both the second pinion and the first gear with new ones.
Push
First Gear
14 [14] <14>
Fig. 18
Second Pinion
13 [13] <13>