Tool Talk
Woodworking Forum => Woodworking Forum => Topic started by: TomL on August 25, 2016, 06:38:42 PM
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I have inherited my Dad's old Craftsman table saw, Model 113.29920. It has a 1HP motor on it, but the start capacitor does not work. I can wind a cord around the unused groove on the motor pulley and it will start and run if I turn on the switch and then pull the cord to get it going. This is inconvenient, so I want to replace the capacitor. When I took the motor off, it had what I think is the capacitor in a cardboard box under the base of the motor. It measures about 3-1/4"x5"x1". Inside the box is a metal case with 2 wires leading into the main motor housing. It is hard to read, but markings on the metal case seem to say General Motors Corporation, Dayton Ohio. 5370901, 200-350MFD, 125V 60CYC. Can anyone tell me, is this the part I need, and if so, where can I find it?
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Does it look a little like this one?
(http://www.vintagemachinery.org/photoindex/images/27705-A.jpg)
Asking another way, is there a lump on the motor body shaped a little like a hot dog bun?
If yes to question #1 and no to question #2, then, yes, that rectangular thing is the start capacitor. Contact a motor shop and/or pro's electrical supply shop in your area to search for a replacement.
And you might wander over to Old Woodworking Machines, a forum that specializes in what it sounds like (note to others: they also discuss metalworking machines like lathes, though not sheet metal machinery): http://www.owwm.org/index.php (http://www.owwm.org/index.php). They will have ideas on where to find a capacitor, and will generally be helpful as you get this machine running well. Read the rules, at the top of each forum; there are some rules a little different from other forums.
The old capacitor may have PCBs or other toxic materials in it; plan to put it with the hazardous waste.
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According to the list I have, your saw was made by
113Emerson Electric Co. (http://vintagemachinery.org/mfgindex/detail.aspx?id=286)