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AFCA Forums > Antique Fan Collectors Association > Pre-1950 (Antique) > Trouble with signal type 901 cool spot fan

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Trouble with signal type 901 cool spot fan  Rate Topic 
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 Posted: Wed Mar 13th, 2019 09:21 pm
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Zachary Parr
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When I got this the motor was stiff and it was hard to turn the blade. I thought that it just needed oil so I took it apart and oiled it, but it is still binding up. I don't know why it is doing his. I don't know if the bearings are not alined, but I have tried to aline them but nothing has worked. I don't think that the shaft is bent and the bearings have no up and down play.  

Is .75 amps too much for the motor to be drawing? That is what it is drawing

Last edited on Wed Mar 13th, 2019 09:23 pm by Zachary Parr

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 Posted: Wed Mar 13th, 2019 10:15 pm
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Russ Huber
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The motor housings may not be aligned properly and pinching the rotor shaft.  Also check if you worm gear in the gear box and gear mesh has some resistance issue.

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 Posted: Wed Mar 13th, 2019 10:55 pm
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Alec Burns
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The one time I experienced this I had accidentally placed the oscillating arm on reverse.Is it possible it s binding against the body?

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 Posted: Wed Mar 13th, 2019 11:50 pm
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William Dunlap
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I did restore one of these a while ago. I seem to recall that it took a lot of fussing with fiber washers to get it to run properly and run quietly.
Good tips about alignment, too. It needs to be perfect.
Cheers,
Bill

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 Posted: Thu Mar 14th, 2019 03:23 pm
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Zachary Parr
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Thank you, I guess I will have to spend another hour aligning it. 

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 Posted: Thu Mar 14th, 2019 03:25 pm
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Zachary Parr
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When I was running the fan the gear box was taken off of the fan. I thought that was the problem but I think it is a alignment issue.
Alec Burns wrote: The one time I experienced this I had accidentally placed the oscillating arm on reverse.Is it possible it s binding against the body?

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