Makita HR2450FT Power Hammer User Manual


 
Repair
P 8 / 22
< 6 > Disassembling quick change drill chuck
Fig. 27
Fig. 28
Fig. 29
Fig. 30
Fig. 29A
Fig. 31
Fig. 32
Fig. 33
Fig. 34
Steel ball 5.0
Leaf spring
Leaf spring
Flat washer 24
Flat washer 24
Ring spring 21
Leaf spring
(1) Remove ring spring 21. Then, flat washer 24 can be removed from chuck holder. See Fig. 27 and Fig. 28.
(2) Remove leaf spring with No.1R212 "Retaining Ring Plier". Then, steel ball 5.0 can be removed from chuck holder.
See Fig. 29.
If it is difficult to remove leaf spring with No.1R212 "Retaining Ring Plier", slightly knock the change cover
to the working table several times. Then, leaf spring can be removed. See Fig. 29A.
(3) Remove keyless drill chuck with spacer and change ring from change cover. See Fig. 30.
(4) Remove torsion spring 31 from chuck holder. See Fig. 31.
(5) Remove spacer from chuck holder. See Fig. 32.
(6) Remove flat head screw M6x22 by tuning it clockwise. See Fig. 33.
(7) Remove keyless drill chuck 13 by tuning it counter clockwise. See Fig. 34.
Change
cover
Keyless
drill chuck
Spacer
Spacer
Change ring
Change cover
Torsion spring 31
Keyless
drill chuck
Chuck holder
Hold this part with
vise firmly for easy
removing of keyless
drill chuck.
Keyless
drill chuck 13
Flat head
screw M6x22