勹
mcrease
decrease
：：二：：
三
19
。
8mm
20
|20．调节机壳线勾（图18)
20. Adjusting the upper thread
guide(Fig. 18)
机壳线勾O的标准位置是螺钉＠处于机壳线勾
调节范围的中心位置。
通过松开螺钉O，移动机壳线勾来调节位置
3
当缝纫厚料时，将机壳线勾向左移（挑线力将增大）。
当缝纫薄料时，将机壳线勾向右移（挑线力将减弱）。
The standard position of upper thread guide CD
is where the screw® is in the center bf the
adjustable range of upper thread guide.
To adjust the position, loosen the screw@ and
move the thread guide.
If stitch the heavy materials, move the thread
guide leftward. (To increase the thread take-up
tension)
If stitch the light materials, move the thread
guide rightward. (To decrease the thread
take-up tension)
|21．调节压脚高度（图19)
2i. Adjusting the pres
全
er foot hei9ht
(Fig. 19)
当使用压脚扳手提升压脚时，压脚O的标准提升高度为8mm
1松开压脚调节螺钉
O
，使压紧杆及压脚上升。
2．在压脚下放置8mm厚的量块。
3松开螺钉0上下调整压脚高度。
4拧紧螺钉
o
。
The standard height of presser foot
is 8mm
when it is lifted by hand.
1.Loosen the screw® to lift the presser bar
2.Put a measurement gauge with 8mm height
under the presser foot;
3.Loosen the screw© and adjust the height of
presser foot;
4.Tighten the screw@.
尸．调节送布牙高度（图20)
22. Adjusting the feed dog height
(Fig. 20)
1．最大针距时，送布牙高出针板1.2mm为标准－
2．松开螺钉＠转动抬牙叉0的角度，就可调整
送布牙齿的高度。
1.Set the stitch length maximum, when the feed
dog (j) is at its highest position above the needle
plate, the standa「d height is 1.2mm
2.Loo_sen the screw® and turn the feed lifting
arm @to adjust the height of feed dog.
-1O-
