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    3. what is the work of carbon brush in drill machine
    what is the work of carbon brush in drill machine

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    0  Views: 461 Answers: 1 Posted: 12 years ago
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      They conduct the electricity that causes the armature to spin. When carbon brushes go bad, you will either see a lot of sparks coming from your power tool/machine or the power tool/machine will not turn on. It might hum but not do anything. 

      12 years ago. Rating: 3
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