21
2) Lower Thread Tension Adjustment
Turn the tension adjusting screw on the bobbin case
clockwise as in the figure to strengthen the tension and
vice versa.
6.7) Lower Thread Winding
1) Insert the bobbin into the thread winder driving shaft on the thread winder base attached to the top cover.
2) Place the thread winder lever close to the bobbin and operate the machine.
3) After the thread winder lever is separated from the bobbin, use the thread winder blade to cut the bobbin thread.
Tension adjusting
screw
Bobbin
Thread winder driving shaft
Thread winder lever
Blade
Thread winder base