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Menonimee snowflake repair ?  Rate Topic 
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 Posted: Wed Jan 15th, 2020 01:44 pm
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Mark Behrend
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Hi guys, recently acquired this fan as part of a small collection.  End of the rotor shaft was mushroomed so the blade did not want to come off.  Jerry Bravi and I worked for about a hour trying and finally got the blade to give.  In the process the rotor broke away from the shaft.  It seems it was soldered on. Should I use silver solder or would regular solder be enough to hold it in place?   Also, what type of washers go in between the motor housing and frame that it rides on?   I'm guessing felt for top and bottom?  Thanks

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Last edited on Sun Jan 26th, 2020 02:51 pm by Mark Behrend

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 Posted: Wed Jan 15th, 2020 01:45 pm
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Mark Behrend
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And

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 Posted: Wed Jan 15th, 2020 02:02 pm
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Chris A. Campbell
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Regular solder to soft, maybe silver solder.

Is there room on backside to drill and drive in pin?

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 Posted: Wed Jan 15th, 2020 02:18 pm
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Jim Humphrey
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Just a light coating of grease for the top and bottom.

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 Posted: Wed Jan 15th, 2020 03:47 pm
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David A Cherry
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Silver solder is going to take a lot of heat.. there is no need..you're only driving a fan blade and you have lots of surface area so regular 50/50 is best for your application, cleanliness is everything I mean everything.. make sure to not remove too much of the original surface area or you will start to get run out, you will want it to maintain original centrality ..check for run out when you're done, you may need to stick it in a lathe and give it a dust cut, to true it up, remember that you have lost clocking, your original relationship between the two pieces ..so you will need to rebalance. The solder will hold fine .. any washer will do..good luck.

Last edited on Wed Jan 15th, 2020 03:55 pm by David A Cherry

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 Posted: Wed Jan 15th, 2020 04:40 pm
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Gary Buchanan
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I agree on using 50/50. Silver way to much heat needed.Good luck Mark

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 Posted: Wed Jan 15th, 2020 07:52 pm
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David Allen
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I would eschew solder all together and retain the shaft with green Loctite 640 sleeve retainer. This will be at least as strong as 50/50 solder and will require no heat at all.

This idea would work if the shaft can be removed all the way, cleaned, and reinstalled.

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 Posted: Wed Jan 15th, 2020 08:09 pm
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Mark Behrend
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Thanks for all the helpful tips everyone!😀

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 Posted: Sun Jan 26th, 2020 02:49 pm
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Mark Behrend
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Hi all, has anyone ever saw factory paint peeling like this?  I'm cleaning the paint on this fan and thought the paint was Japanned.   I soaked  this loop last night in hot soapy water too make cleaning the oil and grease off easier.  After scrubbing the part of the dirt I let it sit then all at once the paint started peeling.  There is a thin coat of black underneath.  Is this original paint on this fan or did someone repaint it long ago?  Was menominee's paint not that good?  I'm use to working on Emersons and their durable finish.   I was hoping to keep all the original paint intact but now I'm not sure.  Thanks

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 Posted: Sun Jan 26th, 2020 02:50 pm
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Mark Behrend
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And

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 Posted: Sun Jan 26th, 2020 04:00 pm
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Rick Powell
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Mark put some acetone on it and see what happens to the outer layer, as you know it won’t affect Japanne .

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 Posted: Sun Jan 26th, 2020 05:49 pm
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Mark Behrend
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Rick Powell wrote: Mark put some acetone on it and see what happens to the outer layer, as you know it won’t affect Japanne .I will, the should solve the japanne issue.  Thanks

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 Posted: Sun Jan 26th, 2020 06:24 pm
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Mark Behrend
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Mark Behrend wrote: Rick Powell wrote: Mark put some acetone on it and see what happens to the outer layer, as you know it won’t affect Japanne .I will, the should solve the japanne issue.  ThanksAcetone did not dissolve either the paint that peeled or the remaining paint on there.   I guess that hot tap water expanded that cast iron enough to make the paint seperate🤔

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 Posted: Sun Jan 26th, 2020 07:18 pm
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Charlie Wicks
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Can you put the rotor in a lathe and drill out the old shaft ream it to size and press in a newly made shaft end? I did that to a kidney fan one time that someone hacksawed the back shaft off where the worm gear went . Made a new back end shaft and it worked perfectly. 

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 Posted: Sun Jan 26th, 2020 10:03 pm
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Mark Behrend
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Charlie Wicks wrote: Can you put the rotor in a lathe and drill out the old shaft ream it to size and press in a newly made shaft end? I did that to a kidney fan one time that someone hacksawed the back shaft off where the worm gear went . Made a new back end shaft and it worked perfectly. I think the shaft is fine, I'm just going to solder with 50/50 solder when the time comes.  Thanks

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