Thanks everyone. I did go back about a week later and it was still there. I had been sick with a cold and didn't get back as soon as I wanted. It followed me home. They said it tested OK but when I tried it at home the thread kept balling up on the bottom. How they tested it I don't know. I took the bobbin out and thread was wrapped around the bobbin case. Once I got all the thread out and the lint from under the feed dog it sews beautifully. Now I just have to get some oil to give it a good oiling. I don't think people realized it was the big sister to the featherweight. I didn't the first time I looked at it then I noticed where the side flips up.