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P 4 /12
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Gear Section
Repair
1) After disassembling Drill chuck as illustrated in Fig. 2, separate Housing (R) from Housing (L).
Remove Gear section from Housing (L). (Fig. 5)
2) Disassemble Gear section as illustrated in Figs. 6, 7, 8.
Tapping screw 4x18 (7 pcs)
Gear section
Housing (R)
Housing (L)
Fig. 5 Fig. 6
Fig. 7
Fig. 8
1R269
Ball bearing 606ZZ
1) Remove Ball bearing 606ZZ with 1R269.
1R273
1R031
2) Put Gear section
on 1R273.
5) Put Spindle on 1R031. 6) By pressing Spindle
using arbor press,
Spindle can be removed from
Ball bearing 6902ZZ.
3) By pressing Spindle
using arbor press,
Spindle can be removed together
with Ball bearing 6902ZZ.
4) Remove Ring spring 13
using 1R004.
Spindle
Ball bearing
6902ZZ
Helical gear 35
Spindle
Ring spring 13
1R004
Spindle
Ball bearing
6902ZZ
Spindle
Ball bearing
6902ZZ
DISASSEMBLING