Makita HR2430 Technical Information page 9

R
epair
<5> Removing armature section
1) Remove brush holder from motor housing
after taking off handle cover as illustrated in Fig 7.
2) Remove fan housing from motor housing as illustrated in Fig 7.
3) Remove armature assembly together with dust cover and fan 56 as illustrated in Fig 7A.
4) Remove dust guard and ball bearing 609LLU from armature assembly. And then, remove retaining ring S-10
as illustrated in Fig 7B.
Bearing 609LLU
Dust guard
5) Set armature unit ( fan 56, dust cover and fan 60 ) on the 2 V-blocks.
And remove fan 56 (aluminum made) and dust cover
by pressing armature shaft. Then armature can be separated
together with ball bearing 6000LLU,
flat washer 8 and fan 60, from
fan 56 and dust cover.
Fan housing
Dust cover
Fan 56
Ball bearing
609LLU
Dust guard
Fan 56
Retaining ring S-10
Dust cover
Armature assembly
Fan 60
Armature assembly
Dust cover
1R258 V Block
Brush holder
Motor housing
Handle cover
Fig. 7
Fig. 7A
Fig. 7B
Press the armature shaft
after setting on the 2 V-blocks.
Fan 56
Dust cover
Armature
Fig. 8