SunStar SPS/D-B1201 SERIES User Manual page 36

B. Adjusting the link stopper screw
ⓐ When the needle is at its lowest position, push the trimmer driving link in the arrow (
moving range of the trimmer cam. Check if there is enough room between the trimming cam roller and both ends
of the trimmer cam.
[Caution]
If there is an insufficient clearance between the trimming cam roller and both ends of the trimmer cam, trimming may
not perform correctly, or the machine could be jammed at the beginning or at the end of sewing or trimming.
ⓑ With the trimming cam roller inserted into the moving range of the trimmer cam, adjust the end of the link
stopper screw to touch the trimmer connecting bar . Then tighten the nut afterwards.
[Caution]
If the positioning is not correct, returning to the previous position after trimming could be delayed, and the first stitch
may not be tight enough.
Trimmer Driving
Cam Roller
Trimmer Connecting Bar
C. Setting the position of the trimming shaft
ⓐ Loosen screws of the trimmer driving link and the trimming shaft collar.
ⓑ Bring the trimming shaft tip to fit with the
ⓒ Fasten the screws afterwards.
[Caution]
If the positioning is not appropriate, trimming may not perform correctly or the machine could be jammed.
36
Clearance
Clearance
Trimmer Cam
Link Stopper Screw
Trimming Drive Link
Nut
side of the arm.
Trimmer Cam
Screw
Trimmer Driving Link Trimmer Shaft Collar
) direction within the
Trimmer Connecting Bar
Link Stopper Screw
Trimmer Shaft
[Figure 72]
[Figure 73]