23
Bobbin winder stopper adjustment
The diameter of thread wound on a bobbin should be 16.5 to 19.5 mm.
1. To adjust the thread amount for bobbin, loosen the
setscrew and turn the bobbin winder stopper.
Turn the bobbin winder stopper in the direction of (A)
when the thread amount for bobbin is too large.
Turn the bobbin winder stopper in the direction of (B)
when the thread amount for bobbin is too small.
2. Tighten the setscrew.
Thread amount
16.5 to 19.5mm
Setscrew
Bobbin winder stopper
(A)
(B)
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