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How to Check Carbon Brushes on DC Motors

Checking and replacing the carbon brushes on DC motors can be easy. Keith from eMotors will guide you through the process and touch on how often you should be inspecting the brushes, symptoms of worn out carbon brushes. Steps to check and replacing your DC motor carbon brushes: 1. Disconnect power 2. Remove carbon brush covers 3. Remove brush electrical connection 4. Remove clips/springs 5. Remove Carbon brush making note of direction of beveled edge, and inspect brush 6. Inspect motors internals and motor commutator 7. Install new DC motor brush with bevel in the correct direction 8. Fasten clips or springs, replace covers Operate your motor at no load to test it. For more information, see this knowledge centre article on how to check brushes on a DC motor: https://www.emotorsdirect.ca/knowledg... 0:00 Introduction 0:25 Safety 0:37 Carbon Brushes in DC Motors 1:20 Maintenance Frequency 1:30 Worn Brush Symptoms 2:18 Inspecting and Replacing Carbon Brushes 4:53 Conclusion