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Operations, Maintenance


Brush Maintenance, Brush Wear


Summarizes the things to check and look for that would indicate time to change a brush

Knowing When to Change a Brush

Many factors influence brush wear:

  • Spring pressure

  • Ring condition

  • Current density

  • Atmospheric conditions

  • Presence of contaminants

  • Holder condition

  • Brush grade

Replace brushes before they become too short. Frequently inspect the brushes to determine if they need to be replaced by checking the wear indicator. In this example, part A shows a wear indicator on a new brush and part B shows the wear indicator of a brush that is in need of replacement.


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