Adjustment Of Trimmer-Related Parts - SunStar SPS/E-BS1202 Series User Manual

6.9) Adjustment of Trimmer-related Parts

6.9.1) Trimmer Cam Position Setting
Set the distance between the upper shaft collar and the trimmer cam to be 1.7mm. Find the location of the trimmer cam
where the carved line of the trimmer cam meets with the punched mark of the upper shaft. When the adjustment is
completed, fasten the tightening screw①.
Caution
Upper Shaft
6.9.2) Adjustment of Link Stopper Screw
－ With the needle bar at the lowest position, push the trimmer driving link in the direction of the trimmer cam within the
trimmer cam operation zone. And check whether there is space between the trimmer cam roller and the both ends of
the trimmer cam.
－ With the trimmer cam roller inserted into the operating section of the trimmer cam, adjust the both ends of the link
stopper screw to touch A of the trimmer connecting rod, and then fasten the screw.
Caution
Trimmer Drive
Cam Roller
Trimmer
Connecting Rod
26
When the trimmer cam is not properly located, the trimmer operation might be faulty or the parts
might be stuck with each other.
Trimmer Cam
2.5mm
Upper Shaft Collar
①
1) If there is not enough space between the trimmer cam roller and the both ends of the trimmer
cam, the bad trimming might occur or when the sewing begins or trimming is conducted, parts
might get stuck.
2) If the link stopper' s screw is not properly located, it may take longer time for the trimmer to
return to the original place, and the first stitch might not be in a good condition.
Space
Space
Trimmer Cam
Link Stopper
Screw
Nut
Carved Line
Trimmer Drive Link
Punched Mark
Upper Shaft
Link Stopper Screw
Trimmer Connecting Rod