To adjust the upper thread tension
The upper thread tension should be 65 g - 95 g when pulling the thread (cotton thread size 50)
in direction C with setting the tension dial at” 3 (Make sure the foot is lowered.)
1. Set the thread tension dial to “3”.
2. Open the face plate and adjust the thread tension by turning the thread tension stem (D)
with a screw driver in direction...
A: to loosen the tension.
B: to tighten the tension.
3. Close the face plate.
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