[GreenKeys] Model 35ASR TD Motor Woes

[Justin Scott]

Aha... So, I pulled another book off the shelf, which has a different set of prints in it...

W-HOGTC-C16 (specific to TWX 35 ASR, which I have) specifically calls out capacitor 192019 in figure 1603, and motor 192120 in figure 1605.  These are exactly what I have.

So - either the motor got damaged in the extreme heat of the original cap failing, or it just runs this hot regardless of what the dataplate on the motor says.  Probably the former.  It does seem to run at about 230-235F in the hot spots now.  Was it always that way?  I don't know.  Is my replacement cap bad?  I'll find out soon enough by testing it.  

Thanks for helping, all.

cheers,
dj
N7XDJ

Justin Scott(tty) wrote:
> Indeed, they are- which is why I need to know what Note 13 is supposed to say on that WD!
> 
> I really have no way to know if the cap was original to the machine, replaced, replaced correctly, or what.  I just replaced it with the same rating as the one that puffed up.  I had noticed that the area above the TD unit was warm, but never noticed how warm.  We know these machines can put off some heat, and being my first and probably only-ever 35 ASR, I have nothing to judge it against.
> 
> The only other cap I have on hand is a dual unit for my AC Compressor and fan, but the fan side is 7.5 MFD, not going to try that.  Grabbing a 4 MFD on Monday is an option, but that will cost about $15 or so.  A lot to spend on a part I'll likely have no other use for, which may or may not make it run cooler.
> 
> cheers,
> dj
> N7XDJ
> 
> Jeffrey Angus(jdangus) wrote:
> > On 8/5/17 1:16 PM, Justin Scott wrote:
> > >This is in regards to "C1", the capacitor for the TD motor- -C3 calls out 
> > >two
> > >C1's, one at 3 MFD and another at 4 MFD - seems trivial, I know, but 
> > >considering
> > >this is a run capacitor for an AC motor, a little difference in 
> > >capacitance can
> > >result in a lot of heat (but that much difference?  I suspect not!)
> > Actually, that IS a big difference. Either 25 or 33% depending on which 
> > way you're
> > going.
> > 
> > Motor Run capacitor values are critical.
> > 
> > -- 
> > Jeff-1.0
> > www.foxsmercantile.com
> > 
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