Makita BO6030 Technical Information page 5

R
epair
5. Ball bearing 6902DDW puts pressure on retaining ring S-15 which is engaged in the groove of spindle,
because it has been slidden closely to the retaining ring S-15, when separating from fan 92. See Fig. 4.
Fan 92
6. In order to take off pressure on retaining ring S-15, put the spindle on No.1R037 "bearing setting plate"
as illustrated in Fig. 5, and press the spindle. So, ball bearing 6902DDW is returned to the original position.
Consequently the pressure on retaining ring S-15 is taken off, and it can be easily disassembled from spindle
as illustrated in Fig. 5A.
Press with arbor press.
Spindle
No.1R037 "Bearing setting plate"
7. Put the spindle from which retaining ring S-15 has been taken off, on No.1R037 "bearing setting plate" as
illustrated in Fig. 6. And disassemble ball gearings 6902DDW by pressing spindle.
Press with arbor press.
Before disassembling
Ball bearing
6902DDW
After disassembling
Spindle
Fig. 5
No.1R037 "Bearing setting plate"
Fig. 6
Retaining
ring S-15
Retaining
ring S-15
Ball bearing
6902DDW
Retaining ring S-15
Ball bearing 6902DDW
Fig. 4
Ball bearing 6902DDW has been
slidden closely to the retaining ring S-15,
and puts pressure on retaining ring S-15.
Spindle
Fig. 5A
P 5 / 8