Remove the spool cap that is inserted onto the spool pin.

Place the spool of thread for the bobbin onto the spool pin.
Slide the spool onto the pin so that the spool is horizontal and the thread unwinds to the front at the bottom.

- If the spool is not positioned so that the thread unwinds correctly, the thread may become tangled around the spool pin.
Slide the spool cap onto the spool pin.
Slide the spool cap as far as possible to the right, as shown, with the rounded side on the left.
