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Kenmore/Sears 336.80901  Rate Topic 
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 Posted: Thu Jan 7th, 2021 06:37 pm
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Michael Aho
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Hello everyone. I am brand new to the forum. 
What I found:
I picked up a Kenmore 336.80901 at a sale recently. It was sitting outside on the ground. Someone had a go at the oscillating mechanism (it was half taken apart already). After mulling over it for ~5-10 minutes, one of the guys running the sale offered it to me for $2, so I took it. Unfortunately, I don't have any before photos. It was a greenish/brown color and in rough shape, the fan guard was rusting - although it did run, slowly. 

What needed attention:
The original speed selector switch was broken. I will attach a photo below. A friend of mine was able to 3D print a new selector handle in carbon fiber filled nylon (it is much stronger than the original polycarbonate one).

The speed coil has a black spot but passes continuity/ohms checks on my multi-meter. I cleaned it well with a nylon brush and sprayed the coil with acrylic lacquer. I have not yet put a load on the coil :shock:

I disassembled the entire fan and repainted it. I have read that people prefer to recover the original paint... Believe me, it needed new paint. The rotor/stator was covered in green corrosion. I cleaned and regressed the motor and bearings.I believe I have the oscillating mechanism working properly - it was full of grease as thick as wet clay.

What I could use help with:
Knowing that wiring diagrams would be hard to find, I labeled every single wire and took a photo before disassembly. Unfortunately, enough of the labels came off and the photo isn't great looking back at it. I should have taken a photo with the labels :hammer:. I have found a few very similar wiring diagrams for similar fans on this forum although none specifically for this fan.

Do any of you have some info on this speed coil wiring? Each of the coils are about 1.5-2ohms apart. I don't want to blow up the coil on the first attempt. It is a 2 wire design, however, this is a metal strain relief that could potentially be considered a ground to the upper housing. 

Also, how can I upload multiple photos? Or is it preferred to make an individual post for each additional photo?

Attached Image (viewed 176 times):

Everything.jpeg

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 Posted: Thu Jan 7th, 2021 08:28 pm
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Michael Aho
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I figured out how to add multiple photos at once. In the top down view you can see a stamped steel name plate. I was home for the holidays and my Dad and I had some fun with naming it. We called it the "MAHO stubby #9." My initials and because of the open design and metal blade, it is the "stubby #9." 








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 Posted: Sat Jan 9th, 2021 07:07 pm
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Michael Aho
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I wired the fan using this diagram as an example: http://www.fancollectors.org/info/mccomas/Generic_3_Speed.jpg

I got no movement. Although, I did get some humming on speed 1.

Last edited on Sat Jan 9th, 2021 07:07 pm by Michael Aho

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 Posted: Sat Jan 9th, 2021 11:05 pm
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Steven P Dempsey
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I have 2 of these - - made by Signal. Branded Sears

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 Posted: Sat Jan 9th, 2021 11:06 pm
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Steven P Dempsey
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I even have a spare switch

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 Posted: Sat Jan 9th, 2021 11:09 pm
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Steven P Dempsey
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Sears re-branded many fans, they never made them
This Polar Cub from the 20s etc.



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 Posted: Sat Jan 9th, 2021 11:13 pm
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Steven P Dempsey
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Polar Cub Sears "ARTIC"



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 Posted: Sat Jan 9th, 2021 11:24 pm
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Michael Aho
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Wow that looks exactly like mine. Yes, I have read that this is a rebranded signal fan. Do you happen to have photos of the wiring/model number of that signal fan?----
Was supposed to be a quote of your first post. Mine looks just like your sears/signal/kenmore fan.


Last edited on Sun Jan 10th, 2021 01:14 am by Michael Aho

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 Posted: Sun Jan 10th, 2021 02:54 pm
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Steven P Dempsey
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I don't have a diagram but I will pop the hood & take a look -

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 Posted: Sun Jan 10th, 2021 04:58 pm
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Michael Aho
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I got the wiring all figured out. The fan is running smoothly. It moves a ton of air. I'll draw out the wiring diagram and add it as an edit to this post.

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 Posted: Sun Jan 10th, 2021 05:16 pm
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Steven P Dempsey
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Great!!

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