Question about Brother CS-8072 Computerized Sewing Machine

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My machine seized up. the serviceman oiled it and it ran smoothly at the shop. I was using another machine and didn't use it right away when I got it home. That was several months ago. Today I get it out to use and it runs smoothly but the stitch it makes is like a chain stitch that unravels. It will not sew a regular locked stitch. Why is that? I have changed the needle, rethreaded, replaced the bobbin...what do you suggest? Thank you.

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It's very important that the needle is inserted with the flat side of its shank facing to the back. If that is correct, perhaps the timing of the hook and needle was changed when the machine seized up. Take off the needle plate and remove the bobbin case. With the handwheel moving in the sewing direction, when the needle has reached its lowest point and has moved up 2.5 millimeters the point of the hook should be directly behind the needle. If not, take it to your repair person.

Posted on Nov 07, 2010


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