SunStar SC 7200 Series User Manual page 26

⑵ Change of stitch length
①
Press lightly stitch length-adjusting button① with your left hand so that the end comes in contact with inner parts.
With the button① pushed in, turn the upper shaft pulley② with your right hand so that the button① goes in deeper.
At this point, rotate the upper shaft pulley with the button① strongly pushed in.
Stitch length is a value you get when the mark around the upper pulley meets the mark ③.
When the stitch width adjustment is completed, make sure that the adjusting
to the original position before operating the machine. Otherwise, damage to the machine might
occur.
Caution
26
[ Figure 31 ]
②
③
[ Figure 32 ]
button① ① returns