Or if it is a capacitor-run motor, rather than capacitor-start, it could be a shorted capacitor. On Mon, 06 Jun 2011 19:32 -0700, "Bob Blick" wrote: > On Tue, 07 Jun 2011 13:23 +1200, "IVP" wrote: >=20 > > It's a Metropolitan Vickers BC 2408. Fairly typical appliance- > > type single-phase motor, 230V 1/4hp 1425rpm, with reduction > > gearing and end-plate to drive the minute hand, which isn't that > > minute BTW >=20 > >=20 > > I suspect that the problem is overheating. The motor runs but > > after perhaps 20 seconds from cold it turns off. When it restarts > > some seconds later the time until the next stop becomes > > progressively shorter. The motor does seem to be hotter than > > you'd expect after only a short run time.=20 >=20 > Starting switch or starting relay is stuck or bad, most likely. >=20 > Cheers, >=20 --=20 http://www.fastmail.fm - One of many happy users: http://www.fastmail.fm/docs/quotes.html --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .