Question about Black & Decker 19" Electric Lawnhog Mulching Mower with Rear Bag
As you know a breaker tripping is a result of a direct short inside the electrical circuity of your mower.
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:
Places for a short are the power wire from the switch to the motor connection. (Item 28 of link)
A broken motor brush where the carbon brush has broken off and the metal from the spring is now touching wither the motor chassis or across multiple segments of the armature.
Check items 46, 47, 48, 48 this link for damage:
Also check Item 80 Brush of the above link (picture below link
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.
I would connect the meter across the 2 power cord terminals i.e unplugged and simulate mower use then start disconnecting wires one at a time working my way backward from the motor to see when the short disappeared. If the short is in the motor... then we are back to all of the times above except the cord and switches. The all have to be isolated and checked out.
Posted on May 02, 2010
Just a though to entertain too - Though Kel seems super correct in his thinking!
Have you unplugged the extension cord and tried it in a different socket on a completely different circuit? Face it, it's warm out there now, electrical load from a previously idle A/C system or something could be forcing your breaker to trip on whichever side of the house you're plugging your mower into. :D
Posted on May 09, 2010
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Posted on Jan 02, 2017
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