THREAD TAKE UP SPRING
（1）改变挑线簧 ① 的摆动量：
1）旋松定位螺钉 ② 。
2）把夹线螺钉③朝② 顺时针方向（即A方向）转动
时，挑线簧的摆动量将增大。
3）把夹线螺钉朝逆时针方向（即B方向）转动时，挑
线簧的摆动量将减小。
（2）改变挑线簧①的张力：
1）旋松定位螺钉②，取出夹线器（组件）⑤ 。
2）旋松定位螺钉④，并转动夹线螺钉③。
3）把夹线螺钉③朝顺时针方向（即A方向）转动时，挑线簧张力将增大。
4）把夹线螺钉③朝逆时针方向（即B方向）转动时，挑线簧张力将减小。
(1)Changing the stroke of thread take-up spring ①
1) Loosen setscrew② .
2)As you turn tension post ③ clockwise (in direction A),the stroke of thread take-up spring will be
increased.
3)As you turn the knob counterclockwise (in direction B),the stroke will be decreased.
(2)Changing the pressure of threads take-up spring①
1)Loosen setscrew ② ,and take out tension asm ⑤ .
2)Loosen setscrew ④ ,and remove tension post ③ .
3)As you turn tension post ③ clockwise(in direction A),the pressure will be increased.
4)As you turn the post ③ counterclockwise(in direction B),the pressure will be decreased.
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