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rotation, when clockwise, the pressure of presser foot is Heavy, when
counterclockwise, the pressure of presser foot is Light.
注意：为了防止机器突然启动造成人身事故，请关掉电源，确认电机确实停止转
动后再进行操作！
Note：In order to prevent the machine from personal accident suddenly,
please turn off the power supply, confirm the motor really stop running
again then operate !
6、线张力调节 Thread tension adjustment
夹线器按照布料、线、线迹宽度的不同，及使用条件的变化而变化。对照使用条
件，调整夹线器的螺母，顺时针方向转，线紧；逆时针方向转，线松。
Thread clamp device according to the different fabric,thread and width of
the thread, and the changeable conditions of use. Controlled conditions of
use, adjust the nut thread clamp device, turn clockwise, tight thread; Turn
counterclockwise, thread loose.
图 5-7
Figure 5-7
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