Adjusting Thread Tension - Verona 23011Y Manual Del Usuario

ADJUSTING THREAD TENSION

Normal upper thread tension: 3 – 5
Upper thread tension may be adjusted
by turning the thread tension dial.
Correct
Fabric
Incorrect
Lower thread tension can be increased
by turning the screw of the bobbin
case slightly to the right (clockwise).
Turning it to the left (counter-clockwise)
decreases tension.
16
Upper thread
Bobbin thread
Inside of fabric
Upper thread