Adjusting The Thread Tension - Siruba DL7200D-NM1 Instruction Book

8 . 線张力的調節
取出梭芯套时，請切断电源。
当誤踩下踏脚板时，縫紉机动作会导致人员受伤。
Turn off the power switch before removing or inserting the bobbin case.
The machine may operate if the treadle is depressed by mistake, which could result in injury.
正确的針迹
Good even stitches
Becomes
weaker
张力变小
张力变大
Becomes
stronger

Adjusting the thread tension

注 意 CAUTION
Upper thread
面線
Lower thread
底線
面 線 张 力 过 小 或 底 線 张 力 过 大。
Upper thread tension too weak
Lower thread tension too strong
面 線 张 力 过 大 或 底 線 张 力 过 小。
Upper thread tension too strong
Lower thread tension too weak
<底線张力>
拉住从梭芯套中露出的線头，轉动調節螺釘(1)进行
直至梭芯套以自重慢慢垂落。
<Lower thread tension>
Adjust by turning the adjustment screw (1) until the bobbin
case drops gently by its own weight while the thread end
coming out of the bobbin case is held.
<面線张力>
在底線张力調節之后，調節面線张力以使針脚均勻平整。
1. 降下压脚。
2. 轉动夹線螺母(2)进行調節。
Becomes weaker
张力变小
<Upper thread tension>
After the lower thread tension has been adjusted, adjust the
upper thread tension so that a good, even stitch is obtained.
1. Lower the presser foot.
2. Adjust by turning the tension nut (2).
张力变大
Becomes stronger
增大面線张力。 减小底線张力。
Increase the upper thread tension.
Decrease the lower thread tension.
减小面線张力。 增大底線张力。
Decrease the upper thread tension.
Increase the lower thread tension.
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調節