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Emerson Jr reassembly steps  Rate Topic 
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 Posted: Mon Dec 31st, 2018 02:55 am
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Mark McCormick
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About to begin putting my Emerson Jr. back together.  Some early question: 

1.  For a basic Emerson fan like this Jr....has anyone documented the basic step by step way for putting the fan back together?

2. Why does the rotor no longer fit into the bearing holes of the motor housing?  Don’t recall any issues removing it!

3. How long to make the wiring sections between (a) plug and switch; (b) switch to stator?

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 Posted: Mon Dec 31st, 2018 06:12 pm
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Allen Bennett
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Hey Mark,
I’m almost done with a 6250-B.  I see the brass plugs are in the housing. Did you remove the old wool wadding and/or wick?  Sometimes, either of these may protrude a little into the bore of the bearing, preventing the rotor from sliding in.  If you sanblasted your motor housing, perhaps there’s some residual media crud on the inside of the bearing. I use a metal gunsmith bore brush and cleaner to clean the bearing. I also polish the rotor shaft with 800 sandpaper to remove any burrs.

Next, I do the four wicks. At the least, the top two wicks must be done before the rotor can be fitted in the motor housing and front cover. I’m guessing you know how to remove and reinstall new wicks; if not, send me a PM. 

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 Posted: Mon Dec 31st, 2018 06:18 pm
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Allen Bennett
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 Posted: Mon Dec 31st, 2018 06:29 pm
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Steve Stephens
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Excellent writeup Mark.   Readers need to know this is for a B-Jr, not the earlier Junior which is a very different fan.

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 Posted: Mon Dec 31st, 2018 10:11 pm
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Mark McCormick
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Rick - thanks for the great feedback.  Awesome to hear you’re basically fixing up the same fan as I am!  
After cleaning the bore and polishing the rotor, I was able to fit the rotor into that housing.  However I did not remove the wick because I have yet found a way to get the brass access screws out!  Did you have any trouble getting those two brass screws out?

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 Posted: Tue Jan 1st, 2019 12:38 am
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Allen Bennett
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Don’t damage the brass plugs by trying too hard with a screwdriver.  Turn the motor upside down and soak the plugs overnight with Kroil Oil, PB Blaster, etc. Try again the next day with a screwdriver whose blade tip fits tightly in the slot. If they fail to budge, soak overnight again. The plugs are tapered pipe thread; they tighten as you screw them in.  If they still won’t budge, I’d remove the rotor and stator and heat the plug area with a propane torch. Be patient.  They will come out eventually.  

I just finished installing the wicks in my latest 6250 an hour ago. This one is my 4th. 

The rotor must be removed before you can remove the wicks. Use a long nail with a blunted tip whose diameter is close to that of the oil hole on the TOP and push the top wick down until you see it in the bearing bore. Reach in with a pick or other tool to extract the wick.  Resume pushing with the nail until the bottom wick comes out. New 1/4” wicks go in the way the old ones came out.  Only the top wicks need to go in before reinstalling the rotor. The lower wicks can go in anytime. 
  
Good luck

Allen

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 Posted: Tue Jan 1st, 2019 02:29 pm
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Mark McCormick
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Allen - really appreciate the knowledge sharing.  Your 4th Emerson Jr!  Impressive!  
I don’t have either of the lubricants you mentioned handy.  However I may go ahead and use the heat method...because I already have the rotor-stator out.

Would love to see pics of your four 6250 fans if you’re OK sharing.

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 Posted: Tue Jan 1st, 2019 03:46 pm
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Allen Bennett
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The black 6250-B I’m finishing now plus 3 newer 6250’s circa 1941-1949. My fav is the first one, a Golden Jubilee in original condition from a one owner family in Iowa. 
  





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 Posted: Tue Jan 1st, 2019 04:17 pm
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Mark McCormick
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Very nice work and great find on the Golden 

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 Posted: Tue Jan 1st, 2019 06:14 pm
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Levi Mevis
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So you aren't planning on repainting your fan just leaving it bare metal?

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 Posted: Tue Jan 1st, 2019 06:55 pm
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Mark McCormick
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Will be painting black - body traditional powder coat black and blades flat back 

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 Posted: Tue Jan 1st, 2019 07:20 pm
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Levi Mevis
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I think the Emerson Jr's originally had gold painted blades to make it look like it has brass blades.

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 Posted: Tue Jan 1st, 2019 07:26 pm
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Mark McCormick
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Best I can tell from online and the AFCA gallery the blades were factory painted flat black
http://www.fancollectors.org/Emerson2/Images/bjr10f.jpg


Online “Worthpoint” site 

       

Last edited on Tue Jan 1st, 2019 07:31 pm by Mark McCormick

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 Posted: Tue Jan 1st, 2019 07:30 pm
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Levi Mevis
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I think it depended on the model, I think the B Jr's were black but the regular Jr's were Gold painted blades. You'd have to ask George Durbin to be sure as he's the Emerson Jr expert here.

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 Posted: Tue Jan 1st, 2019 07:57 pm
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Mark McCormick
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Success removing wick plug brass nuts!!  Small amount of direct heat on the steel housing around the threaded hole











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 Posted: Sun Feb 10th, 2019 08:11 pm
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Mark McCormick
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Allen - I have a novice question. At what point during reassembly did you paint (black) your Junior.  Wondering if painting the main subassemblies separately then do final assembly and wiring?
1.  2-piece motor housing together or separate?
2.  Fan stand assembled or separate?




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