[DML] Re: Cool fan upgrades

["Harold McElraft" <hmcelraft@xxxxxxx>]

The symptom you describe is typical of worn-out brushes in the fan 
motor. Hervy use to say he rebuilds them. The parts can be found but a 
proper rebuild requires an armature turn and grove clean and, a bearing 
check-up. I have rebuilt several over the years - they are simple to 
do. The destruction of the brushes can be accelerated greatly by poor 
connections so be sure to check and clean them well, especially the 
ground for the fans at the front frame extension.

I've seen postings about the upgrades of both Hervy and Toby Peterson 
but I haven't seen how they actually perform. I would suspect the folks 
in Arizona or in Houston after a summer there can give some feedback if 
any have put them on. I know the original motors were 
rather "industrial" but they move some air - maybe more than is needed 
but, I like cushion.

Harold McElraft - 3354



--- In dmcnews@xxxxxxxxxxxxxxx, doctorDHD@... wrote:
>
> One of my cooling fans has become intermitant and only works when you 
tap it 
> a few times.  > 
> D2 and 6530
> (No squared symbol on my new phone.)
>




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