Question about White Sewing 1740 Mechanical Sewing Machine

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My bobbin keeps getting tangled up when I sew

The bobbin is tangleing no matter if I straight stitch r try to zig zag

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Re: my bobbin keeps getting tangled up when I sew

Take the thread out of the top and bottom and turn the handwheel by hand to see if the machine will rotate smoothly.
Rethread, making sure that the thread is in the bobbin tension slot and that the upper thread is in the tension and the take up lever.

Sorry for the delay in response. I just found the sight this evening.

Posted on Nov 14, 2007

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Re: my bobbin keeps getting tangled up when I sew

If thread is bunching up under or at the bobbin (White 1740) and it clanks, check if the needle thread has come out of the upper arm. It can easily slip out of the slot. I have wound a narrow band of tape on the slot to prevent the thread from escaping. Leave enough opening to put the thread through when threading the machine.

Posted on Jan 19, 2011

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Re: my bobbin keeps getting tangled up when I sew

When you wind your bobbin make sure you use even tension. Do not wind it to tight or to loose. Do not overwind it. Make sure that you are thread the bobbin correctly. Also do not sew at top speed. Use a slow to moderately slow speed.

Posted on Nov 19, 2008

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I'm sewing a zig zag stitch and the underside is a perfect zig zag and the upper side looks like it should be the can I fix this so that the beautiful zig zag is on the top?

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