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THREAD PROBLEMS
Thread bunches.
•
Top and bobbin threads are not drawn back under presser foot before starting seam. -
Draw both threads back under presser foot about 6 inches (10 cm) and hold until a few
stitches are formed.
Needle thread breaks.
•
Machine is not threaded correctly. - Threading the thread again.
•
Top thread tension is too tight. - Adjust the top tension.
•
Needle is bent. - Replace needle.
•
Needle size is not correct for thread and fabric. - Reinstall the needle.
Bobbin thread breaks.
•
Bobbin case is not threaded correctly. - Threading the bobbin thread again.
•
Lint accumulates in the bobbin case or the shuttle race. - Remove lint.
Fabric puckers.
•
Top thread tension is too tight. - Adjust the thread tension.
•
Stitch length is too long for sheer or soft fabric. - Shorten stitch length.
38 –EN
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