Makita HR2430 Technical Information page 5

R
epair
<1> Removing chuck section
1) Pull down chuck cover and remove cap 31. And then, remove chuck cover and compression spring 38
as illustrated in Fig.1.
2) Remove ring spring 17. (See Fig.2.)
3) Remove ring spring 30.5 from chuck ring, and then, remove spring guide and compression spring 35.
(See Fig.2)
4) Take off leaf spring 26. And then, remove pin 8 from chuck ring. (See Fig.2)
Leaf spring 26 can be removed easily by expanding it with retaining ring plier for shaft .
5) Remove chuck ring , guide washer and steel ball 7.0 from tool holder. (See Fig.2)
Ring spring 30.5
Spring guide
Compression
spring 35
<2> Removing gear housing section
Loosen pan head screw M4. But stop to loosen, when the screw
comes to the position as illustrated in Fig.3. Adjust change lever as illustrated
in Fig.3A and pull out it from gear housing.
Pan head screw M4
Cap 31
Chuck cover
Tool holder
Fig.1
Ring spring 17
Pin 8
Steel ball 7.0
Fig.2
Approx.
4 - 5mm
Fig.3
Compression
spring 38
Leaf spring 26
Chuck ring
Guide washer
Tool holder
Position of change lever
when removing.
Fig.3A
Spring guide