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When i use my worm drive Skill saw sparkes shoot out of the rear vents?

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Check the brush spring tension. If the brushes become bound in their slides due to carbon/dirt/sawdust, the brushes will tend to arc and when they do, they create extra heat which tends to collapse the springs. Pull each brush out noting the wear pattern on the end so that it returns with the same orientation, clean the slide out with a small round brush so that the brush moves smoothly, check the spring (it will be bright brass if ok, but discolored if overheated), then replace the brush. Do the other one similarly. This usually fixes this problem, but will reoccur over time. Hope this helps!

Posted on Jun 21, 2010

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