爪扣装置的高度（Height Of The Button Clamp; 拨针器的调整（Adjustment Of The Nipper; 压脚压力的调节（Work Pressing Force - Jack JK-T1377E Instruction Manual

12.爪扣装置的高度（HEIGHT OF THE BUTTON CLAMP）
在断开位置，纽扣爪脚的地面和布
压脚下板上面的间隔A,1377E标准为
9mm。
The standard clearance A between the
bottom face of button clamp jaw lever
 and the top face of feed plate  is 9
mm for 1377E.Loosen screw  and
adjust the height of button clamp
lfting hook4.
13. 拨针器的调整（ADJUSTMENT OF THE NIPPER ）
运转时，把拔针器的方块和拔的间隙调整为0.8～1.2mm ,不让拔针器压住机线。调
节方法是，拧松固定螺钉，左右移动拔针器活动滑块4。
Provide a 0.8 to 1.2 mm clearance between nipper  and nipper block  to
prevent the nipper from nipping the thread while stitching .Loosen screw 
and move nipper bar block 4 to the left or the right .
14. 压脚压力的调节（WORK PRESSING FORCE ）
压脚的压力，以在转动螺母2个螺
母的下端和压脚压力调节杆的螺
丝部间隙为4-5mm时为准。
The standard work pressing force is
obtained by providing a 4 to 5 mm
clearance between the bottom face
of nut  and the bottom end of the
screw of pressure adjusting bar.
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