Preparing for Upper and Lower Threading
Winding the bobbin
Wind the thread onto the bobbin.
● Only use the bobbin (part code: SA156, SFB(XA5539-151)) designed specifically for this sewing
machine. Use of any other bobbin may result in injuries or damage to the machine.
● The included bobbin was designed specifically for this sewing machine. If bobbins from other models
are used, the machine will not operate correctly. Use only the included bobbin or bobbins of the same
type (part code: SA156, SFB(XA5539-151)).
Turn on the sewing machine.
Place the bobbin on the bobbin winder shaft
so that the spring on the shaft fits into the
notch in the bobbin.
b Bobbin winder shaft spring
Slide the bobbin winder shaft to the right until
it snaps into place.
a This model
b Other model
c 11.5 mm (7/16 inch)
Swing up the spool pin, and then remove the
a Spool pin
b Spool cap
Fully insert 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.
a Hook of the
b Pretention disk
c Bobbin winder