SunStar SPS/D-BH-6000 Series User Manual page 60

E. Adjust the passing position of the cam lever for the upper thread holder
When the thread holder lever② passes toward the cam lever for the upper thread holder① from the sewing starting point
(when the baseline position change cylinder is on), adjust the distance between the two at 0.3~0.5mm by turning the
fastening screw③.
F. Adjust the opening of the thread holder
ⓐ Let the air out.
ⓑ When the thread holder③ comes down until the thread holder lever① touches the cam plate② of the cam lever for
the upper thread holder, the back end of the thread holder③ will be open. Then make the thread holder lever①
overlap with the cam plate② of the cam lever for the upper thread holder by 3~4mm.
ⓒ Adjust the opening to some 4mm by turning the screw④.
③
60
0.3~0.5mm
4mm
①
②
①
②
(3~4mm)
④
③
[ Fig. 33 ]
[ Fig. 34 ]