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Electrical professional please

johney · 2021-01-30 18:00:50

Hello Folks, I have a demolition hammer which I used a few years ago. It has been unused this last 2 years in the shed. Was fine when I left it in. I suppose there is dampness and humidity in the shed. Anyway took it out yesterday and it worked for about 3 seconds then started to smoke and smell. There were Sparks inside…

30-01-2021 07:00PM

#1

johney

Banned (with Prison Access) Posts: 88 ✭✭

Join Date: July 2007

Posts: 55

Hello Folks,

I have a demolition hammer which I used a few years ago. It has been unused this last 2 years in the shed. Was fine when I left it in. I suppose there is dampness and humidity in the shed. Anyway took it out yesterday and it worked for about 3 seconds then started to smoke and smell. There were Sparks inside initially.Left it a while, tried again, nothing only burning. Anyway took out brushes, almost new but with a few scratches. Opened side and hovered, cleaned and sprayed with wd40. Tried to clean the round shaft between brushes too. Blow dried. Switched on and ran for 6 seconds, before the same thing happened again. The Sparks are between motor shaft which spins between brushes, and the brushes. What might be the issue? Thanks a lot

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