Jack W4 Series, User Manual, Page: 38 / 58

4.5-5.0mm，然后拧紧螺钉2。
Feed needle move from right to left , loosen the screw 1, adjust the gap between feed
needle and left needle adjustment feed 0.5mm, feed needle continue to move to the
left limit to the left, loosen the screw 2, adjust the feed needle and the center of the
left needle The gap is 4.5-5.0mm, then tighten the screw 2.
喂针针尖：feeding needle tip
图14（
Figure14
）
11、弯针向左运动通过各针的内侧，调整针和前护针和的间隙为0.3-0.5mm，对照
线的粗细，针线能顺利通过，前护针尽量靠近安装。
the looper to the left through the inside of the needle, adjust the needle and the gap
between the front and the needle 0.3-0.5mm, the thickness of the control line, the needle
can be passed smoothly, the front guard as close as possible to install the needle. (Figure
15)