Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Drill chuck assembly for BHR243
DISASSEMBLING
Drill chuck assembly can be disassembled as drawn in Figs. 18 to 22.
Fig. 18
After Removing Ring spring 21, strike Drill chuck assembly against workbench which is covered with a cloth as a cushion.
Flat washer 24, Leaf spring and Steel ball 5.0 can be removed.
1R003
1R212 
Ring 
spring 21
Steel ball 5.0
Leaf spring
Flat washer 24
Fig. 20 | Fig. 21 |
P 8/ 25
Fig. 19
Pull off Change cover.
Change ring and Torsion spring 31 can be removed.
Spacer
Chuck holder
Torsion spring 31
Change ring
Change cover
Fig. 22
Remove Spacer and two Steel balls 6 from Chuck holder.
Spacer
Steel ball 6 (2 pcs.)
Chuck holder
Clamp the flats of Chuck holder in vise, then unscrew M6x22 Flat head screw by turning it clockwise using Impact driver.
M6x22
Flat head screw
Chuck holder
Clamp the flats of Chuck holder in vise, then separate Drill chuck from Chuck holder by turning it counterclockwise using Hex wrench 10.
Hex wrench 10
Chuck holder