58
2)
Adjust Upper Thread Holder
A. Adjust the position of the side of the upper thread holder
Generally, the baselines of the sewing starting point A and the sewing ending point B are different when sewing eyelet
button holes. Therefore the thread holder setting cylinder① alters the baseline of the upper thread holder.
[ Fig. 29 ]
B. Adjust the position of the sewing starting baseline
ⓐ Manually move the X-Y feed base to the sewing starting point.
ⓑ Confirm that the thread holder setting cylinder① is on.
ⓒ Use the adjusting screw② and nut③ to make the center of zigzag switch length in line with the center of the thread
holder front endⓐ.
[ Fig. 30 ]
A
B
ⓐ
①
③
②
①
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