40
/
51
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).
图 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
Summary of Contents for k4 Series
Page 1: ...0 51 K4 K4 series use manual...
Page 21: ...20 51 8 4 5...
Page 35: ...34 51 3 4 set screw crank disk drive connecting rod nut 1 nut 2...
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Page 47: ...46 51 16 17 1 18 1 19 2 1mm 18 2 3...
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