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Westinghouse 363329B Speedcoil Overheating  Rate Topic 
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 Posted: Fri Feb 19th, 2021 06:24 pm
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Elliot Segal
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I’m currently working on a Westinghouse 12” 3-speed, oscillator brass 4 blade, model/style # 363329B (stamped steel motor w/pressed in stator).  Luckily the head wiring wasn’t too bad , was bale to blow out the bugs/dust and clean, had enough lead to re-wire.
 
Problem is the speed coil gets very hot after 5 minutes of operation and smokes the adhesive from the old cloth tape wrap on the speed coil.  The three speeds work, but the heat build up isn’t normal.
 
I’ve been trying to find one on Antiquefanparts.com that is salvageable/useable, but no luck so far.
 
Any ideas? 
 
 
Thanks,
 
Elliot

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 Posted: Sat Feb 20th, 2021 06:09 am
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Alex Rushing
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You will want to find the amperage and/or wattage draw from the fan. It could be either the motor or choke. Likely the choke, but hard to tell with these phase shift versions.
If it is a three wire head, then a phase shift(see above). If it is a two wire head, the start switch in the split phase is stuck and drawing a huge amount of power.

Lastly, on a two wire split phase (Centrifugal), the possibility of the choke being bad is remote(if the fan has three distinct speeds), but not unheard of if there is something burned in it.

Wiring can be in reverse on a three wire head too, which means the start and run windings are connected wrong, which can make the fan run very hot.

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 Posted: Sat Feb 20th, 2021 05:25 pm
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Elliot Segal
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This old Westy has a 3-wire head wire. I had given some thought to the draw over the conductors I re-wired with 12GA THNN (too much resistance ?) shouldn't be . The speed coil ohms checked OK before install. I will check the amperes on the taps for each speed and see what I get. I re-connected the taps off the speed coil in the same configuration as they were when disassembled.  So The motor may be  problem (i.e., the choke)  and getting the stator out is a real tough job on these.  Thanks Alex.

Last edited on Sat Feb 20th, 2021 05:37 pm by Elliot Segal

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 Posted: Sun Feb 21st, 2021 09:55 am
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Alex Rushing
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Elliot Segal wrote: This old Westy has a 3-wire head wire. I had given some thought to the draw over the conductors I re-wired with 12GA THNN (too much resistance ?) shouldn't be . The speed coil ohms checked OK before install. I will check the amperes on the taps for each speed and see what I get. I re-connected the taps off the speed coil in the same configuration as they were when disassembled.  So The motor may be  problem (i.e., the choke)  and getting the stator out is a real tough job on these.  Thanks Alex.You're certainly welcome!
The wire gauge won't be an issue, except if you had to cram it in the access plate. These motors pitch a real fit if the windings get moved, because the factory insulation is brittle and prone to shorting when moved.

I've been there myself. In 2006, I decided to try my hand at fan resto and was stupid enough to pick a 164848G 3-wire phase shift Westy. Big mistake, and I ended up smoking the switch choke and later the motor presented issues from the old botch job. Of course, these days I find them fairly easy to navigate, but will never forget these are terribly hard to work on the first few times.

After my first few restos in 2019, I finally felt confident enough to tackle the 164848G. I made it my mission to "own" that fan. Haha
After procuring a new choke and motor, I proceeded to finish the project that ruined fans for me for 13 years. Felt good to get it finished.


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