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 Posted: Thu Nov 1st, 2018 07:14 pm
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Peter Buffo
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 Posted: Thu Nov 1st, 2018 11:50 pm
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Lucas Beshara
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Welcome aboard!  That is one of the best runner fans ever made. Once you tear down and clean/degrease the tricky part is filling it up with oil. Knowing how far to fill depends mostly on the recess inside the rotor. Typically I fill that up right before final assembly. Knowing that is full all you have to do is fill half of the hollow shaft up with oil from the back filler tube. It’s a couple (4ish) good squeezes from a zoom spout Oiler bottle. Then just a squeeze every month or so, during heavy usage.  Give it more if there is any weird speed changes or rattles. 

Another point of note is the oil bath is designed to work perpendicular to the ground. I have mine tilted ever so slightly down typically but it’s very near level. 

Happy fanning:clap:

Last edited on Thu Nov 1st, 2018 11:52 pm by Lucas Beshara

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 Posted: Fri Nov 2nd, 2018 05:19 am
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Andrew Block
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I'd strip and repaint that blade and it would look pretty good.

Lucas is 100% right on the mechanical maintenance. Clean it out real good, check the headwire and capacitor and it will last forever.

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 Posted: Fri Nov 2nd, 2018 09:46 am
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Peter Buffo
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Thanks Lucas and Andrew! I love this fan, you are right, it is smoothest running fans I own (besides the pictured above 6250-k I just gave my girlfriend for her birthday) and it is whisper quiet. This 1940 Emmy is the first one I’ve rewired and refurbished, the other one I have is 1953 and in need of serious cleaning and lubricating. My biggest concern is when I gift a fan, I want to be able to show/tell the recipient how to keep it running smooth. Thanks again for the input.
Cheers,
Peter

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 Posted: Fri Nov 2nd, 2018 12:00 pm
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Todd Adornato
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Are you a pilot? :cool:

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 Posted: Fri Nov 2nd, 2018 12:11 pm
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Lane Shirey
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If you paid your dues to become a full member (not a guest) you may want to contact the moderators, as your name being orange indicates you’re a guest. Sometimes they forget to change your status. 
Welcome! 

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 Posted: Fri Nov 2nd, 2018 03:17 pm
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Peter Buffo
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Not a pilot, was a flight medic and “remove before flight” started as a joke and now I put those tags on fans when I finish rebuilding them.

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 Posted: Fri Nov 2nd, 2018 06:00 pm
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Andrew Block
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IMO the 77646 is possibly the best consumer grade fan ever made. If they're balanced, there is none other that balances quietness/efficiency/air movement/durability.

In engineering, everything is a trade off, but these fans seem to have hit the sweet spot. Coupled with the fact they are common and relatively inexpensive, they are my favorite gift/loaner fans to people who aren't obsessed with brass.

Just clean it out, oil and grease it up good and occasionally refresh it and that thing will run until the world ends.

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 Posted: Fri Nov 2nd, 2018 07:10 pm
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Peter Buffo
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The 6250 kicked off my mild obsession.... I was blown away by how smooth it was. On the 1940 above, I’m considering stripping paint on blades, but frankly don’t want to risk messing with it. It is eerily quiet and has a small balancing tab on one of the blades. Thanks and cheers! I’ve got more fans than I know what to do with, I’m trying to prioritize between easy fixers and complicated/older fans.

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 Posted: Fri Nov 2nd, 2018 09:51 pm
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Ryan Blazei
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I’m not sure what you mean by paint on the 6250 blade, those should be brass or brass plated at least. I like your fans they both look great!

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 Posted: Sun Nov 4th, 2018 12:28 am
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Peter Buffo
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Apologies, I was talking about the 77646 blades and not refinishing them due to a balancing tab on back of one.  The 6250 had paint and “FanFunk” all over the blades and someone polished it too aggressively in the past and wore through the brass electroplating on two blades.... all I did for the 6250 was strip the paint, clean off the funk and reassemble. It is so smooth!
Thank you, I enjoy “rescuing” the fans and putting them back to use.

Cheers!

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