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 Posted: Fri Feb 2nd, 2018 06:20 pm
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Carl Laitenberger
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Hello; I'm not specifically a fan collector; I like almost any antique mechanical gadget, and fans fall into that category. I have two questions: My housemate came home with a Hunter oscillating fan which someone had set out for trash pickup. It's dark green and the bottom of the base is teardrop-shaped. He dismantled it, cleaned out the old grease and replaced it, then put oil in the oil cup, and now it works like a champ.It came with a cover made of netting to go over the metal grille that surrounds the blades. It obviously was designed to fit over a fan. Is this some aftermarket product? Are there any maintenance tips we should know?
My second question is: I have a Polar Cub model E that resists all efforts to get it running again. There are two "knobs" at the back of the fan (opposite each other), and one is missing, revealing a tube with some kind of bare wire in it. Any suggestions? 

Sorry for such minimal information. I'll be happy to give more details to anyone who likes.

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 Posted: Sat Feb 3rd, 2018 01:38 am
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Levi Mevis
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Hello, and welcome to the forum, first of all it would be helpful to post pictures of the fans in questions so we can better help you out with what you need assistance with. Secondly maintenance wise on any vintage or antique fan you must oil the fan's bearings with 20 wt. oil like 3-in-1 in the blue can, or Zoom! Spout oil, which are oils made for use with fractional horsepower motors like fan motors or air compressor motors, if the fans have oscillator mechanism its good to replace the grease packing in the gearboxes every 20 years or so or just before the grease starts getting dried up.

I hope this helps,

-Levi


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 Posted: Sat Feb 3rd, 2018 05:53 am
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Jeff Jones
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Sounds like the polar cub is missing a brush cap and maybe also the brush. Those fans use brushes to run...small carbon sticks that go into those tubes on each side and make contact with the commutator on the armature (the part that spins). With one missing you aren't getting power to the armature which is why it won't run.

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 Posted: Sat Feb 3rd, 2018 01:14 pm
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Carl Laitenberger
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Thanks!

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 Posted: Sat Feb 3rd, 2018 01:15 pm
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Carl Laitenberger
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That sounds like what I have in the polar cub. Is there a way to get the missing brush, or do I have to resort to the fan simply being a decorative item?

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 Posted: Sat Feb 3rd, 2018 10:55 pm
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Jeff Jones
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The brushes you can get from McMaster-Carr, the cap would need to come from a parts fan or someone here maybe has an extra one. Might be able to fabricate something to work temporarily.

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 Posted: Sun Feb 4th, 2018 01:12 am
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David Northam
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The netting you refer to on the Hunter fan was definitely an aftermarket product. As a kid (in the early 1970s) I would occasionally go to work with my dad if he had to go in on a Saturday for a few hours. Although air conditioning had been added to the building, there were many older fans of numerous makes/models still scattered around in some of the offices. I would love to go from office to office and play with the fans. Many of the fans had the netting you described.

Although my dad worked in an office, the business was industrial and was subject to frequent visits by OSHA. Dad said OSHA made them add the netting. I'm sure in the 1960s and 70s, this netting for fans was readily available by electrical supply houses since newer OSHA rules were in effect but many businesses probably still had an abundance of fans around from the 1930s and 40s. Adding the netting would have been much cheaper than buying all new fans.

Personally I would recommend removing the netting and discarding it. I prefer old fans without this aftermarket item that is not particularly attractive.


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 Posted: Mon Feb 5th, 2018 09:42 pm
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Richard Daugird
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I just ordered some brushes from carbonbrush.com, they were cheaper than the shipping so I ordered extras. I think I got 1/4x1"long, can't remember for sure. Measure yours and when mine hit the mailbox, I'll send you one if it will work.

http://www.carbonbrush.com/roundbrush.htm

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 Posted: Wed Feb 7th, 2018 03:43 am
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Jeff Jones
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Wow....that site has a LOT of brushes...thanks for sharing that. I may try them next time instead of McMaster.

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 Posted: Wed Feb 7th, 2018 07:17 pm
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Richard Daugird
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I got the brushes, they are .25x1".

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