Makita HR2300 Technical Information page 9

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-1A. Bit holder section for HR2300
DISASSEMBLING
(1) Remove Cap 35.
(2) Separate Ring spring 14 from the groove of Tool holder complete using
1R003 with 1R212. (Fig. 3)
Washer 16 on Ring spring 15 is removed.
(3) Remove Ring spring 15 in the same way while pressing down Chuck cover.
(Fig. 4) Then pick up Flat washer 17 and Rubber washer 16
from the space between Chuck cover and Tool holder complete.
Chuck cover is removed.
(4) Remove two Steel balls 7.0 while pressing down Ring 21. (Fig. 5)
Ring 21, Guide washer and Conical compression spring 21-29 are removed.
Fig. 4
Ring spring 15
(silver)
Chuck cover
ASSEMBLING
Assemble in the reverse order of disassembly. Refer to Fig. 6 for the directions of the components.
Fig. 6
Cap 35 Ring spring 14
(black)
chamfered
portion
Washer 16
Fig. 5
Flat washer 17
Steel ball 7.0
(2 pcs.)
Ring spring 15
(silver)
Flat washer 17 Rubber
washer 16
chamfered
portion
Fig. 3
Cap 35
Chuck cover
Ring 21
Guide washer
Conical compression
spring 21-29
Chuck cover
flat side
Steel ball
7.0 (2 pcs.)
concave
side
Ring 21
1R003
1R212
Ring spring 14
(black)
Conical compression
spring 21-29
convex
side
Guide washer
P 9/ 23
Groove of
Tool holder
complete
Tool holder
complete