Singer 398054 - THREAD AND FABRIC HANDLING ISSUES; Thread Problems and Fabric Puckering

38 –EN
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.