9
4
、
线张力的调整方法
/ Adjusting the thread tension
用
1
调节面线张力，用
2
调节底线张力。
Adjust needle thread tension with 1 and bobbin thread tension with 2.
5
、
挑线弹簧的调节
/Adjusting the thread take-up spring
1)
移动量的调节松开螺钉
1
，转动夹线器向右转动，动作量变大，拉线量变多。
Adjusting the stroke loosen setscrew1,and turn thread tension asm 2. Turning it clockwise will
increase the moving amount and the thread drawing amount will increase.
2)
强度的调节改变挑线弹簧
3
的强度时，请在螺钉
1
在锁紧的状态下，用螺丝刀调节线张力杆
4
，
向右转动，挑线簧强度变强，向左转动之后，强度变弱。
Adjusting the pressure to change the pressure of the thread take-up spring 3, insert a thin screwdriver
into the slot of thread tension post 4 while screw 1 is tightened, and turn it. Turning it clockwise will
increase the pressure of the thread take-up spring. Turning it counterclockwise will decrease the
pressure.
