Makita 6823 Technical Information page 5

< 4 > When replacing carbon brush, be sure if it is installed on motor housing properly.
And then install handle cover onto motor housing.
(see Fig.4.)
< Properly installed carbon brush>
Brush holder
< 5 > Check if spindle keep still during no load operation.
If the spindle would start to move, replace compression spring 8 (1 pc.),
flat washer 8 (2 pcs.) and pin 4 (3 pcs.) as a set.
(see Fig.5.)
Carbon brush
Motor housing
Flat washer 8 (2 pcs.)
Pin 4 (3 pcs.)
<Incompletely installed carbon brush>
Correct with your finger to install
properly.
Fig.4
Compression spring 8 (1 pc.)
Fig.5