FAQs & Troubleshooting
(1) This model
(2) Other models
(3) 11.5 mm (7/16 inch)
If the spool of thread is in the wrong place, or is set incorrectly, the thread may tangle on the spool pin.
(A) Pre-tension disk
Make sure that the thread passes under the pre-tension disk.
(1) Spring on the shaft
* Align the notch of the bobbin to the spring on the shaft.
(3) 7 - 10 cm (2-3/4 to 3-15/16 inches)
Make sure to pull out 7 to 10 cm (2-3/4 to 3-15/16 inches) of thread from the hole on the bobbin.
Pull the thread taut and hold the end of the thread straight up. If the thread is too short, not pulled taut or held at an angle, injuries may occur when the thread is wound around the bobbin.
(1) 7 - 10 cm (2-3/4 to 3-15/16 inches)
(1) Leave 1 cm (1/2 inch) of thread from the hole on the bobbin.
Make sure you follow the instructions carefully. If you do not cut the excess thread completely before winding the bobbin, when the thread runs low it may tangle around the bobbin and cause the needle to break.
Not winding the bobbin properly may cause the thread tension to loosen, and may break the needle.
(1) Wound evenly
(2) Wound poorly