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Air Castle Bearing Removal  Rate Topic 
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 Posted: Sun Oct 22nd, 2017 10:51 pm
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Dale Brooks
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My neighbor and fellow AFCA member Gary Bender, has a 12" Air Castle desk fan with worn out bearings. The motor housing is made from pot metal and we weren't sure how to remove the grease caps without tearing things up. We are looking for suggestions on tools and technique for a safe removal of the old bearings. We couldn't find a model number on the fan. It has Air Castle on the cage badge and that's it. Any suggestions would be much appreciated.


 

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 Posted: Sun Oct 22nd, 2017 10:52 pm
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Dale Brooks
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 Posted: Sun Oct 22nd, 2017 11:05 pm
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Levi Mevis
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If its the kind of motor I'm thinking it is (dimestore type shaded pole motor) then most of those kinds of motors were made so that the bearings couldn't be replaced and the whole motor had to be replaced with a new one or a good used one from a parts fan, as fans like that (the dimestore variety) weren't meant to be serviced, they were meant to be thrown away (the 1930s-1950s version of modern appliances and fans). Also I kind of think that by the way the motor looks on your fan that your fan is only sporting an Air Castle cage and nothing more as Air Castle made extremely high quality fans that were mostly used in industrial and commercial applications only and they weren't known for using shaded pole motors from what I understand and their fans were meant to be serviced, your fan is probably a regular Dimestore fan that someone fitted an Air Castle cage onto because it fit the fan. some pictures of the whole fan and not just the motor would be helpful in figuring out what you have and whether or not it can be serviced or not.  

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 Posted: Mon Oct 23rd, 2017 01:34 am
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Dale Brooks
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Thanks for the reply Levi. You may be on to something. It was taken apart before Gary stopped by and I snapped these photos. It may have been another frankenfan loose in Houston.

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 Posted: Mon Oct 23rd, 2017 02:04 am
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Levi Mevis
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More than likely, Knapp-Monarch, McGraw-Edison (which covered the brands of Zero, Eskimo, etc.), and some others I can't think of right off the bat all made 12" dimestore type fans that had motors like the one pictured above which all could of been easily fitted with a cage that may of came off of a 12" countertop style circulator made by Air Castle, but like I said I would have to see pictures of the fan itself in order to see if it is indeed a frankenfan.

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 Posted: Mon Oct 23rd, 2017 02:13 am
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Stan Adams
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A lot of times you can stick a screwdriver under that dust cap & gently twist it as you go around the perimeter & it will pop off. That cap is usually all that is holding the pressure plate against the bearing. Is this the two blade Air Castle or 4? The two blades had two different motors, one was larger. Universal Electric made most of their motors & all I have ever seen are shaded pole. With that oscillator sticking out, I tend to agree with Levi, that is probably not the right motor.

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 Posted: Mon Oct 23rd, 2017 02:19 am
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Levi Mevis
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Most fans with bearing housings like that that I've dealt with could not be serviced, because I accidentally popped the bearing out of place on one of these kinds of motors and there were a bunch of flexible brass retention tabs that helped hold the bearing into place and those tabs when I tried to push the bearing back into place just bent out of shape and the bearing wouldn't go back into place and the motor was completely shot, so I had to get rid of the fan, and I think it was a small dimestore type fan that this incident I had happened on.

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 Posted: Mon Oct 23rd, 2017 04:17 pm
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Dale Brooks
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Gary called to correct me on the cage badge. It's an Arctic Aire. I see now the Air Castle was a much higher quality fan. I apologize for the confusion. Thanks again for the info provided.

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 Posted: Mon Oct 23rd, 2017 04:26 pm
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Levi Mevis
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No problem it happens. :-)

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 Posted: Mon Oct 23rd, 2017 05:47 pm
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Stan Adams
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Ok if it is an Arctic Aire, I can nearly guarantee the bearings are good. They were famous about the pressure plate coming loose. Take that cap off & you will probably find the bearing spring plate floating around. Put it back where it belongs & the bearings will be fine. Artic Aire motors are good high quality motors, I would not say Air Castles are much better, have had more of them fail than Fascos (Arctic Aire).

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