raye321 Posted July 3, 2012 Report Share Posted July 3, 2012 I have a Milwaukee Super Hole-Shooter drill Catalog No. 1854-1. I bought it used years ago. I has worked well for me. I have replaced the amature and most of the gears in it through the years. I recently replaced 2 gears and it seems to be running hotter than usual. The front case behind the chuck has been heating up more than I think it should be. The rest of the case is fine. It sounds normal when running even under a load. I'm wondering if a bearing could be bad. Quote Link to comment Share on other sites More sharing options...
PutnamEco Posted July 3, 2012 Report Share Posted July 3, 2012 My first thought would be that it is a lubrication failure. If you also recently changed gears, they may need some time to break in as well. Bearings usually end up making some noise or set up a vibration or wobble before they fail Quote Link to comment Share on other sites More sharing options...
Conductor562 Posted July 4, 2012 Report Share Posted July 4, 2012 I'm with ECO. Doesn't sound like a bearing. I would have to think there would be a squeal involved if it was. Quote Link to comment Share on other sites More sharing options...
wayneburgess Posted July 4, 2012 Report Share Posted July 4, 2012 That does sound like lack of lubrication.Also it may be something moved out of place when the drill was re assembled. Quote Link to comment Share on other sites More sharing options...
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