Question about Milwaukee 6180-20 14" Chop Saw Abrasive Cut-off Machine

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Tripping 20 amp breaker

After using the my 6180-20 saw for about 10 cuts on 2" x 2" - 1/4" steel tube, i noticed that the motor housing was running hot. Got half way through my next cut and it tripped the breaker. I tried 2 more times and the same happenned. Its a 20 amp breaker and have not had this problem in the past. It is a fairly new saw. Could it be an overheating problem?

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If its new, like in the last year or so send it back to milwaukee. they have a five year warranty, so dont dissasemble it, or you will VOID your warranty. I have been selling and servicing milwaukee tools for over 20 years. when your cutting heavy wall tubing the size you are its important to let it cool for a while between cutts and seriously,,, only use the thin 1/8" Milwaukee blades and let them do the cutting with just enough pressure on the tool to prevent glazing on the surface of the blade. you will find your cutting goes a lot easier. blade life is not as long, but it will be much easier on you and the tool. the 3/32 bade they come with is awesome if your doing smaller/thinner material, but use the thinner on thicker rule.

Posted on Sep 01, 2012

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When things start overheating componants start to break down. sounds like you need to check the armature and field for burnt areas. at least change the brushes. were you bearing down hard? sounds like the motor may not be enough to cut quickly, maybe more slowly. hope this helps

Posted on Aug 30, 2010

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