A
16.5 –19.5mm
w
B
q
10. Bobbin Winder Stopper
The amount of thread wound on the bobbin should be
16.5–19.5 mm in diameter.
z
Loosen the setscrew
w
stopper
to adjust the thread amount.
• If the amount is too mauch, turn the stopper in the
direction A.
• If the amount is not enough, turn the stopper in the
direction B.
x
Tighten the setscrew
9
q
. Turn the bobbin winder
q
firmly.