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Jack k4 Series - Page 41

Jack k4 Series
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When the lower looper was cut of lower blade components , we need use
moving blade and the clip to steadily the bottom line (lower looper) , to
adjust the clamp force between the clip and moving blade ,it can be
adjusted by rotating set screw , clockwise for clamp force is bigger and
bigger, otherwise is smaller and smaller. (figure 12).
12
注意:
1、下切刀组件完成调试后,需再次手动推动下切刀组件的定刀剪线,确认相对位
置准确,下切刀组件推出及复位均无卡点后方可重启电控,然后进行剪线。
2、当下切刀组件需要进行调整时,需确认针杆处于最高点,下弯针处于最右点,
然后方可手动推动下切刀组件确认相关位置。
八、上切刀组调整
注意:安装调整上切刀组前,必须先确认针杆处于最高点,且喂针与机针位置处于

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