Page 11
Clarke
®
American Sanders
American B-2 Operator's Manual
MAINTENANCE
How To Check The Carbon Brushes
(cont)
4. Gently pry the holder down from the motor housing.
5. Rotate holder from beneath the motor housing and lift
out.
6. Disconnect the brush shunt wire from the holder.
For convenience, cut the terminal from the shunt wire
and remove brush.
7. To put in a new carbon brush, negotiate the terminal
on the shunt wire by the spring and brush holder
guide. Take care not to damage the spring. See
figure 16.
8. Depress the brush into the guide and connec the
shunt wire to the holder.
9. Depress the brush and insert the holder into the
motor housing.
10. Rotate holder beneath motor housing. Relax brush
against commutator.
11. Align posts on holder with holes in housing.
12. Gently pry the holder into the housing.
13. Reattach screws and washers.
14. Start up the machine, if sparking between either
brush and the commutator occurs, use a brush
seating stone on the commutator to promote full
engagement between the brushes and commutator.
15. Install the motor cover.
Figure 16
