


West Sussex & adjoining parts of Hampshire & Surrey
Copyright © 2009
Needle thread breaks
• Machine is properly threaded
• Thread is running freely from spool
• Needle is correct size for thread
• Needle is straight and sharp
• Needle thread tension is not too tight
• Bobbin case is inserted correctly into machine
• Bobbin rim is free of nicks
• Throat plate needle hole and presser foot are undamaged
• Presser foot is securely fastened to presser bar
Bobbin thread breaks
• Bobbin has been incorrectly wound
• Bobbin case is free of lint
• Bobbin has been correctly inserted into bobbin case
• Bobbin has not been wound too full

