Bench Testing: Brushes
Inspect brushes for burn spots or discoloration caused by arcing. Replace brushes if worn to wear limit line. Install new brushes so that wear limit line is 0.08-0.12" (2-3 mm) from brush holder.
Inspect brushes for burn spots or discoloration caused by arcing. Replace brushes if worn to wear limit line. Install new brushes so that wear limit line is 0.08-0.12" (2-3 mm) from brush holder.