17. 切线装置（AUTOMATIC THREAD TRIMMER）
★移动刀位置的调整
压脚上升到最高处时，切线连接板
（前）和针板槽沟面的间隔标准为
12.5mm。调整到12.5mm时，请使用附属
品的定位尺，放到缝纫机，卸下防油
板，拧松螺母4（2个），前后移动连接
螺丝5， 进行调整。另 外 ，拧紧螺 母 4
时，请注意切线连接头6应基本保持水
平。
★Position of the moving knife
When the machine stops in the state
of “stop -motion”and its button
clamp assembly rests in the highest
position ,there must be a standard
clearance of 12.5mm between thread
trimming connecting link (front)
and the end face of the slit in throat plate
.this clearance is determined by gauge 3
which is stored in the accessory box ;tilt the
head backwards ,remove the bed oil shield ,
Loosen two nuts 4 and adjust the clearance
by moving connecting screw 5in the axial
direction .When you tighten two nuts
4,ensure that joint 6stays in the horizontal
position .
★L型提升杆的安装方法
按移动反弹弹簧、分离垫片、分
离垫4、分离垫片5的顺序安装到L型提升
杆上。确定完全分离之后让机梁的凸部
和分离垫片端面紧密结合，不要有任何
松动，用螺丝6拧紧固定。
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