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Exesive sparks on the brushes (Bosch GSB 16RE drill)

I overpowered my drill and now there are exesive sparks on the brushes.First I suspected the armature and changed it , still no joy, then I measured the fieldcoils and found it totally differend ohms and replaced it but still no good. Could it be that my armature got hurt by the broken field coils?Please HELP

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  • lorna_vanzyl Jun 17, 2009

    I have just ran it with no load and it was still sparking, but took it to repair shop -they tested the armature while I was there -no fault- I am still waiting for there answer thanks for reply

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  • 154 Answers

If you used the drill any amount with a burned field coil there is a good chance that is has burned the new armature out.

Posted on Jun 11, 2009

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