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Sears homart fan help needed  Rate Topic 
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 Posted: Mon Mar 5th, 2018 12:57 pm
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Roger Phillips
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Hello ladies and gentlemen, I need your help. I got an old Sears Homart fan. I want to say, circa 50's-60's. It's identical to the one my parents had when I was a kid. So when I saw it at a sale for $10 I just had to do it. The cord was toast. It was so bad the copper was crumbling. But rewired it and the motor checks out. The problem I have is one of the motor mount/bushings is shot. It has about a three inch, maybe four diameter circular outside. Which mates to the motor bracket. Then there should be vulcanized rubber filling that in. Except for 1 1/2 to 2 inch square missing in the middle. This square would match up to a square that is molded on the outer housing around the shaft. One side has just the outer metal ring left. The other one is decent enough to reuse. I can figure out a way to make a new one that will work easy enough. Either by filling it with latex molding material, or cutting up a hockey puck to size and shape. But I'd rather be able to get a new one that is vulcanized to the outside the right way. Got any clues as to where I might be able to buy one? Or would some one maybe have one of these extra that they might part with? I really want to get this baby back in working shape.

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 Posted: Mon Mar 5th, 2018 02:46 pm
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Stan Adams
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If you are talking about a belt drive model, those are available at Grainger or many motor rewinding shops.

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 Posted: Mon Mar 5th, 2018 03:07 pm
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Roger Phillips
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Cool, I'll have to start combing through Grainger better. An yeah it's a belt drive. Right no I have it all torn apart for cleaning but I would lb ex to put it all back together correctly. I've heard that I need to leave the belt a little more slack than normal half inch deflection on the belt? Something about it binds up and burns up the motors?

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 Posted: Mon Mar 5th, 2018 05:01 pm
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Stan Adams
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It does need to have some slack & it MUST be a fractional horsepower belt, NOT an automotive belt. Ace Hardware has a great selection of fractional horsepower belts.

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 Posted: Mon Mar 5th, 2018 05:04 pm
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Andrew Block
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The Homarts used a particular style of rubber mount, which, you're right, is a square around the motor. I have never seen these for sale. I know people who have used hot glue to fill in bushings on cars, it would work in this case as well.

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 Posted: Mon Mar 5th, 2018 06:04 pm
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Roger Phillips
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It would take a lot of hot glue. lol
 

I think i would try to do it a little better than hot glue. Either RTV rubber molding material. Or shape a hockey puck down to just a bit larger than the ring, then press it in. So that way it is nice and snug, and won't slip for quite i while. Might even see if i can take a torch to it and vulcanize  the rubber to the outer ring. but i have a grainger store here in st. louis. so I'll at least stop by and see if they have anything that will work. if i find something I'll post up some numbers for it.

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 Posted: Mon Mar 19th, 2018 10:59 am
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Roger Phillips
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Just to update everyone. I was not able to find one of the rubber motor mounts. I did however discover that a rubber mallet have just a fraction larger diameter than that of the original motor mounts. So after taking a equipment razor to my mallet and cutting off a puck just a little thicker than the original mount.  I had to ironically use the rest of the rubber mallet to assist. the puck into the outer metal ring of the mount. Once that was all mated up, I took the trust razor to the puck again and cut the square section out that actually fits onto the motor itself. I made the square just a bit smaller than the surviving motor mount so it would be a little extra tight so maybe it will last another 50+ years. I thought that the original paint was a white. Or somewhere between a stark white, and a heavy antique beige.  Again neither was the correct color. not only that but my fan had some masking tape on the bottom of it held a huge surprise. It has saved Original paint from the sun and much, much nicotine. It turns out the original paint was very close to a smoke gray.  So I disasembled it completely, degreased and de nicotined it all, repainted and regressed every thing. Rewired the motor with new safe wire. Reassembled it. And I have a working fan. The only thing that's wrong at all is instead  of the three position switch  being low on the bottom, off in the middle, and high on top. It's low on bottom, off on the middle, and low on the top again. There is no high. Any one know what might cause this? Or even better, know how I fix it?  Thanks for any help.

Last edited on Wed Mar 28th, 2018 02:42 am by Roger Phillips

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