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Smoking and sparks from brush contacts in electic engine...

Electric Model UT43103 started smoking out of electric engine vents. Turned it off and found black powder and burnt plastic smell around vents. Opened casing and removed electric motor cover to find some plastic ties that hold wiring brittle and broke off although insulation remains on the wires. Ran electric engine but found severe sparking in brushes, which appear normal. While this unit apparently overheated with normal heavy use, cannot figure out what needs correction. Cost of replacement motor about $85+, orginal cost of saw a few months ago at Home Depot $49, I don't think they will help me.[Used proper heavy duty extension cord, after burning up 3 other electric{other brands} saws using small guage extension cords!]

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Electric cord on my Rowenta

replace it with a lighter gauge wire or a coiled power type cord if you can find one....


Posted on Sep 06, 2008

  • 1 Answer

SOURCE: Briggs & Stratton Burnt Brushes

I did find out that the inner slip ring was worn down. Still unknown why and the repair tech we took it to twice just replaced the brushes and never looked at the slip rings.

My solution, which has worked for over two months now (knock on wood) is as follows:

The slip ring on this unit can only be replaced by replacing the whole rotor assembly. I looked at the width of the brushes and the width of slip rings. The slip rings are twice as big as a brush. The solution was to move the brushes outward by one brush length. In order to do that, I had to turn the brush assembly around because of the extra plastic on the unit and space it out one brush length. Note: Still hook the wires as if the brush assembly was not turned around.

I used an old brush assembly and cut the two areas where the screws go through to make my spacers and it works perfectly.

Posted on Dec 03, 2008

  • 2176 Answers

SOURCE: carbon brush sparking and cause no power for electric motor

You have either one of 2 problems. Either you have a brush that is hung up and burnt or the armature is bad. If you are comfortable in removing the brushes first unplug the tool and remove the brush caps. Pull brushes out and look at the spring making sure not collapsed and then the end of brush that rides on armature for a burning look. Then I would look into brush tube and try and turn by hand the roller to look at the segments of armature best you can. If this needs anything other than brushes I would take it to a repair shop. Good luck

Posted on Dec 28, 2008

  • 979 Answers

SOURCE: prong on dryer plug gets hot and burns plastic on plug

You are right. There is not a good connection somewhere. When you say your replaced the cord, did you also replace the plug? Make sure all fittings are tight. Where it is melting, this is where the problem probably is. You can also check the receptacle and see that the wires to it are tight as well. There is a build up of heat or resistance in that area tha tis causing your problem. let me know how you do. Good luck.

Posted on Feb 08, 2009

  • 5911 Answers

SOURCE: Kenmore series electric dryer need to replace 3 prong w/4 prong

The following link explains how to convert a 3-prong appliance cord to a 4-prong and vice-versa:

If you still have questions, please let me know. I hope this helps you.

Posted on Feb 27, 2009

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