Gemsy 7724 - 2-4.线 状 态 的调节; Adjusting the Thread Tension

Test Sewing
2-4.线状态 的调节
Adjusting the thread tension
线张力状态的调节，针线调节夹线螺母①、上弯针
线调节夹线螺母②、下弯针线调节夹线螺母③来进
行调节。
Make tension adjustments with the needle thread
knob①, the upper looper knob②, and the lower looper
knob③.
2.试缝
6
松开
拧紧
To loosen
To tighten
①
②
③