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My DC500 works fine running on battery power, but the motor hesitates for a moment or two when the unit is switched on with ac power. After this it works fine. What might be wrong?

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  • Dewalt Master
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May be the carbon brushes are short or motor connectors have become bad connection by moisture and dirt by use temporay a wrong filter sometimes its a very light and simple motor johnson motor with hammer brushes
DeWALT DC500 Type 1 Vacuum Parts

Posted on Dec 02, 2015

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Posted on Jan 02, 2017

  • 67 Answers

SOURCE: My Dewalt dc500 only works on AC power (plugged in

Check battery contactor on the vacuum and on the battery. It is a common problem on this vacuum. Check for bent pins and corrosion.

Posted on Sep 16, 2010

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