Grain Systems Unload Augers PNEG-1722 - Manual (Page 23)

6. Maintenance
PNEG-1722 Series II Sweep Protected Cord Slip Ring Sump 23
Brushes
1. Inspect for wear. If the distance from the top of the insulator to the lower part of the brush spring is
0.093" or less, replace the brush.
Figure 6A
2. Inspect brush contact surface by removing the brush. Remove surface dirt, oxidation, pitting or
other contaminants (with a wire brush).
3. To remove and replace the brush:
a. Remove the clamp screw from the brush holder.
b. Remove the screw from the brush lead.
c. Remove the brush holder.
d. Replace the brush.
e. Re-assemble.
Brush Fit Inspection
1. Brushes must run at 90° ± 3° square on the rings. If brush is not square, adjust position of brush
holder on brush post.
2. Brushes need not run on the center of the rings, but there should be no forceful friction against
the insulators.
3. The brush spring cross-bar must be seated in the brush slot.