Makita HR2450FT Power Hammer User Manual


 
Repair
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< 3 > Assembling quick change chuck
(1) Mount torsion spring 31 by inserting pin of torsion spring 31 into the hole of tool holder and mount 2 pcs. of
steel ball 6.0 to tool holder. See Fig. 1.
(2) Mount change ring to the inside of change cover while aligning the hole of change ring with the hole of
change cover. See Fig. 2.
(3) Mount tool holder to change cover by passing the long pin of torsion spring 31 through the holes of change ring
and change cover. And turn the tool holder approx. by 75
°. See Fig. 3.
Short Pin of
torsion spring 31
Long pin of torsion spring 31
Coat the steel ball 6.0 with MAKITA grease N No.1,
before mounting.
Now the steel ball sticks on the hole of tool holder.
Torsion spring 31
Tool holder
Steel ball 6.0
Fig. 1
Fig. 2
Change cover
Change ring
Change cover
Change ring
Holes for pin of torsion spring 31
Long Pin of
torsion spring 31
The hole of change ring
aligned with the hole of
change cover
Long pin of
torsion spring 31
Approx. 75
°
Fig. 3