Burnt Starting Coil - Electronic Circuits Projects Diagrams Free

jack mcleod · 7th November 2005, 04:19 AM

:cry:
Craftsman radial arm Model 113.2310
Motor Model KS48 DE-175
Class B, E37845, Mfg. No 5 74 1

Motor starting coil burnt probably due to motor disconect SW remainining closed after start up. SW contacts open by centrifugal device (works fine) on motor shaft. I polished the points but was told that the polishing may have removed too much of the siver & they might not work. Yes ? No? (On the bench continuity is good.) Is there an electronic replacement for said SW?
A replacement motor would be nice but Sears Canada has no replacement. Tried local shops & Google to no avail. Suggestions on locating one would be much appreciated.
Is a rewind (probably the starter coil & two field windings) a bad idea on a 30 year old motor? (rotor only no brushes) THANKS.

stevez · 7th November 2005, 12:33 PM

My experience with motors like that isn't particularly good. I had one fail on a table saw and when I did find a replacement it exceeded the cost of a new saw. When I did find someone who might repair it their estimates exceeded the cost of the replacement motor. When I am able, I purchase tools that have standard motors so that I can find parts or replacements.

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7th November 2005, 04:19 AM	(permalink)
jack mcleod	Burnt Starting Coil :cry: Craftsman radial arm Model 113.2310 Motor Model KS48 DE-175 Class B, E37845, Mfg. No 5 74 1 Motor starting coil burnt probably due to motor disconect SW remainining closed after start up. SW contacts open by centrifugal device (works fine) on motor shaft. I polished the points but was told that the polishing may have removed too much of the siver & they might not work. Yes ? No? (On the bench continuity is good.) Is there an electronic replacement for said SW? A replacement motor would be nice but Sears Canada has no replacement. Tried local shops & Google to no avail. Suggestions on locating one would be much appreciated. Is a rewind (probably the starter coil & two field windings) a bad idea on a 30 year old motor? (rotor only no brushes) THANKS.

7th November 2005, 12:33 PM	(permalink)
stevez	My experience with motors like that isn't particularly good. I had one fail on a table saw and when I did find a replacement it exceeded the cost of a new saw. When I did find someone who might repair it their estimates exceeded the cost of the replacement motor. When I am able, I purchase tools that have standard motors so that I can find parts or replacements. __________________ stevez