SunStar SPS/S-CV1 Manual page 28

4.6.3) Setting thread trimming shaft position
1) Loosen the turnbuckle of thread trimming drive link and
the turnbuckle of thread trimming shaft collar.
2) Align thread trimming shaft with A part of the arm.
3) Tighten turnbuckle
4.6.4) Setting link stopper position
1) When thread trimmer is not working, loosen the
turnbuckle of thread trimming drive link. Adjust the
distance between the link and the link stopper notch to
0.3mm.
If position is not correct, trimmer may not work properly, or the machine may be stuck.
CAUTION
4.6.5) Setting thread trimming solenoid position
1) Loosen the turnbuckle of thread trimming solenoid bracket. Adjust the distance between thread trimming shaft and the
rotary link of thread trimming solenoid to 0.5mm, and tighten the turnbuckle.
2) Loosen the rotary link turnbuckle of trimming solenoid and manually drive the link to adjust thread trimming shaft to
6.8mm and tighten the turnbuckle.
3) Check to make sure that the collar is returned to its original position when the rotary link returns to its first position.
If the position is not correct, the trimmer return may become slow, or the machine doesn't give
the best sewing due to slow thread release.
CAUTION
28
Turnbuckle
Rotary link of thread trimming solenoid
Thread
trimming
cam
Turnbuckle
0.3mm
Thread
trimming
drive link
0.3mm
Thread trimming solenoid bracket
Thread
trimming
solenoid
Turnbuckle
0.5mm
6.8mm
Thread trimming shaft
Thread
trimming drive
link
Thread trimming shaft
Turnbuckle
Thread trimming drive link stopper
Rotary link of thread
trimming solenoid