How to install a Bobbin into your Brother SE 400 Embroidery and Sewing Machine

Make sure the bobbin thread unrolls in the correct direction when installing the bobbin into bobbin case.

Be sure to set the bobbin so that thread unrolls in the correct direction. If the thread unrolls in the wrong direction, the needle may break or the thread tension will be incorrect.

Use a bobbin that has been correctly wound with thread. Otherwise, the needle may break or the thread tension will be incorrect.