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Inbuilt breaker disconnects power to the motor, motor is cool.

Electric corded mower works well except its thermal coupler?? keeps shutting the machine down even under a light load. This is a thin white pin on the switch that pops up when the machine is overheated, supposedly. Could it be so worn it disconnects too easily and can it be replace easily? Blades sharp and underbody clean. Thank you

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If it is tripping as much as you say, it needs to be replaced..... just as a breaker in your house, if it starts popping all the time and there is no problem you have to replace it. replacing it is not all that hard, if you are handy with tools. finding it maybe a little harder. you can check at local mower repair shops. with it unplugged, make sure the blade turns without binding also.

Posted on Feb 03, 2010

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120-
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AC
SYSTEM
The following electrical components (if so equipped) will only operate when your
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SECTION 6 - ELECTRICAL SYSTEM JAYCO TOWABLE
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After the cooling down period, reset the circuit breaker by moving its lever "off" and
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My story is the same. I have an MM600, replaced switch, and still trips breaker in variety of configurations. I have tried both of the relevant configs recommended on this site, and no luck. Is there...


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That short can be anywhere from just beyond the switch all the was down to the winding in the motor.

There are 2 switches Item 3 and Item 7 of this link:
http://www.toolpartsdirect.com/cgi-bin/noframes.cgi/blackdecker/MM600_TYPE_1

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http://www.toolpartsdirect.com/cgi-bin/noframes.cgi/blackdecker/MM600_TYPE_1

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http://www.toolpartsdirect.com/cgi-bin/noframes.cgi/blackdecker/MM600_TYPE_1

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http://www.toolpartsdirect.com/cgi-bin/parttools.cgi/242273-00

A bearing in the motor can have failed allowing the armature Item 65 of link to drag on the stator item 70 of link and cause a stator short where the armature damaged the stator winding.

The above items are all things that can cause your problem. It will take a multi-meter and some resistance checks of the circuit to isolate exactly where the short is.

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Kelly

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