-18-
调节完成后回转手轮，确认机针应下
2.
降到压脚槽的正中处。
2.After adjusting,check that the nee
-dle moves down into the center of t
-he groove in the presser foot.
膝动提升压脚高度的调节 (图
27
)
Adjustment of The Knee Lift Height(Fig. 27)
21
②
1
.转动手轮使送料牙从针板的上面降到针板的
下面。
2.
使用压脚扳手将压脚放下。
3
.旋松螺母
①
，旋转螺钉
②
调节压脚在膝控碰
块完全压下时的提升量(完全压下膝控碰块时，
压脚的标准提升量约为10mm，最大提升量约
为13mm)。
4.
调节完成后拧紧螺母
①
。
1.Turn the machine pulley so that the feed
dog is below the top of the needle plate.
2
.Lower the presser foot by using the lifting
lever.
3.Unscrew the nut
①
and rotating the screw
②
are the purpose to adjust the height of pres
-ser foot when the knee totally pushed to the
touch point (by knee, the standard height:10
mm , the maximum height :13mm)
4.Securely tighten the nut
①
.
注意
:
1.
为了防止缝纫机的意外启动，请关掉
电源之后再进行操作。
Caution:
1.To prevent the unexpected startup
of sewing machine, trim off the pow
-er supply before the operation is co
-nducted.
图
27
Fig.27
①
图
28
Fig.28
①
缝线张力的调节 (图
28
、图
29
)
Adjusting the Tension of Stitch Thread(Fig. 28, Fig. 29)
22
1
.底线张力的调节
拉住从梭芯套中露出的线头，旋转调节螺钉
①
进行调节：旋紧调节螺钉
①
则底线张力变大，
反之则底线张力变小。
注意：底线张力调节标准：旋转调节螺钉①
直至梭芯套以自重慢慢垂落。
1.Adjusting the tension of bobbin thread
Hold the end of a thread which hanging fro
-m the bobbin case and use the adjusting rota
-ting scerw
to regulate. The tension of the
①
bottom thread is become strong by tight the s
-crew
, loose the screw to make it weak.
①
Caution : The adjust standard of the bottom
thread tension: Rotating the adjusting screw
till the bobbin case can falling slowly by it’s
①
own weight.
