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paulsherwin · 26th Apr 2019, 5:51 pm

Very common fault with old sewing machine controllers. My 1934 201K did exactly this. I now always recommend that people change the suppressor caps in any rheostat based controller rather than waiting for them to fail. Of course, you shouldn't leave sewing machines unattended with power connected, but inevitably you sometimes forget and come back to find it running full pelt.

26th Apr 2019, 5:51 pm	#13
paulsherwin Moderator Join Date: Jun 2003 Location: Oxford, UK Posts: 27,965	Re: Vintage sewing machine suppressor help! Very common fault with old sewing machine controllers. My 1934 201K did exactly this. I now always recommend that people change the suppressor caps in any rheostat based controller rather than waiting for them to fail. Of course, you shouldn't leave sewing machines unattended with power connected, but inevitably you sometimes forget and come back to find it running full pelt.