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Hammer drill only works when you tap on it with a hammer

I have a Bosch 11210VSR Bulldog hammer drill (SDS), and I was using it a lot one day and it altogether quit on me. I felt it and it was pretty warm, so the next day I tried it, and now it will weakly run if you tap on it with a hammer. I was wondering if you know what is going bad, if it is the trigger, or motor, etc? I havent torn it apart yet, is there something I should look for?

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  • 201 Answers

Yes, check the brushes on the motor, see if they can be replaced - I don't know your drill, but some can be checked without pulling the case apart - look for a round slotted cover on the sides near the rear of the drill

Posted on Mar 08, 2009

  • John Aman
    John Aman Mar 08, 2009

    Actually, it appears you will have to take the case apart to inspect the brushes.....

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ptrepair.jpg

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