Adjust adjustment screw 2 of the amount of bobbin thread to be wound round the bobbin so that the bobbin is wound with thread about 80%.Turn the adjustment screw 2 clockwise to increase the bobbin thread amount or counterclockwise to decrease it.
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- 用绕线量调节螺丝2进行调节,让线绕到80%25 。向右转动绕线量调节螺丝2绕线量变多,向左转动则变小。