Jack k4 Series, Use Manual

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if forward movement, the thread loop get smaller, otherwise if backward
movement, the thread loop get larger.
图11 (Picture 11)
9、送布牙高度的调整
9、Adjusting feed teeth height
调整送布牙高度，牙齿来到最高点时，松开螺钉2，将主送布牙高度调整刀1.2mm，
然后拧紧螺钉2，同理松开螺钉1，将差动送布牙的高度调整到1.2mm，然后拧
紧螺钉1。
Adjusting feed teeth height,when feed teeth get the maxmium
point,loose srew2,and adjusting the feed teeth height to
1.2mm,then ,tighten screw2 and loose screw1, adjusting the feed teeth
over thread
bar
srew
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