Small Engines (Lawn Mowers, etc.): Yardworks Electric Lawn Mower - NO POWER, replacement brushes, wire splice

Question
QUESTION: I have electric Yard works (3 in 1) Lawn mower. While cutting the grass, accidentally cut the electric cord. After that, there is not power.  What could be the problem and do you recommend any fix for it?

ANSWER: Yes I would repair it.  Go to the hardware store purchase a wire splice kit splice the wires back together tape each one individually and then tape the  cord where your spliced it.

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QUESTION: :)Thanks for replying--- I have already purchased a new extension cord.  My lawn mover has no power at all (Lawn mower cord is fine).  Please let me know, if it is relay or switch or any thing else has gone?  thanks

Answer
It sounds like the brushes in your electric motor need to be replaced also white commentator ring needs to be cleaned up.  This would entail taking the electric motor apart finding the brush holders then finding replacement brushes putting them in.  The commentator ring that the brushes rub on should not be glazed over.  Use a wire brush to clean up the commentator ring.