Makita HR2450T Power Hammer User Manual


 
Repair
P 7 / 22
(4) Mount torsion spring 31 to the chuck holder by inserting its short pin into the pin hole of chuck holder.
See Fig. 21.
Insert the short pin
of torsion spring 31
into the pin hole of
chuck holder.
Fig. 21
(5) Mount change ring to the inside of change cover while aligning the hole of change ring with the hole of
change cover. See Fig.22.
Change cover
Change ring
Change cover
Change ring
Holes for pin of torsion spring 31
Fig. 22
(6) Keyless drill chuck 13 to change cover by passing the long pin of torsion spring 31 through the holes of change ring
and change cover. And turn the keyless drill chuck 13 approx. by 75
°. See Fig. 23.
The hole of change ring
aligned with the hole of
change cover
Long pin of
torsion spring 31
Approx. 75
°
Fig. 23
Steel ball 5.0
Leaf spring
Leaf spring
If it is difficult to mount
leaf spring with your hand,
mount it with "retaining
ring plier for shaft."
Flat washer 24
Flat washer 24
Ring spring 21
Fig. 24
Fig. 25
Fig. 26
(7) Mount steel ball 5.0 to the space between change cover and chuck holder. And secure the steel ball 5.0
with leaf spring. See Fig. 24.
(8) Mount flat washer 24. See Fig. 25.
(9) Secure flat washer 24 with ring spring 21. See Fig. 26.