Is it a brushed motor? If so surely these should be replaced.
Brian

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This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please
Note this Signature is meaningless.!
"George Miles" wrote in message
...
its lost 90% of its power ...
would a new armature fix it?
https://www.sparepartsworld.co.uk/product/SPARE_TD0101F
or would i need other bits?
[g]

On Wednesday, April 7, 2021 at 7:02:37 PM UTC+1, newshound wrote:
On 07/04/2021 18:58, George Miles wrote:
my Makita impact driver got hot and lost power -
anything i can do to fix it or must I buy another?

I was reinforcing oak joists with turbogold 120mm screws,
wish I'd stopped when it got hot...
must I buy another,
and how to do it better next time,
and is there a better tool to buy?

https://makitauk.com/product/td0101f

Did it recover on cooling down? Or are you saying it still works, but
with less "oomph".