Question about Singer 1120 Mechanical Sewing Machine
My singer 1120 will not sew a zigzag stitch properly. The top of the stitch has a zigzag but with an extra line of thread underneath it. The bottom of the stitch is working PERFECT. I have checked everything that I know to check, have cleaned and oiled the machine. I have tried numerous different length and width combos and set the tension on different numbers from 0-3. IF anyone has any ideas on what I need to I would appreciate it. Thanks!!
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Posted on Jan 02, 2017
Make sure that there is tension on the thread when you have passed it through the tension unit, by making sure the presser foot is down, and then gently pulling the thread to feel tension. If there is no tension, as seems to be the case, check the tension discs inside the unit to make sure that there is no debris stopping them from closing.
Posted on Oct 14, 2009
try using a washable stablizer or interfacing.
if that doesn't help then it's possible that a gear or cam may be worn enough to cause the machine zig zag not to work properly
Posted on Mar 27, 2012
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