Adjusting The Trimming Parts - SunStar SPS/B-2516 Series User Manual

9) Adjusting the Trimming Parts

A. Setting the position of the trimming cam
Set the upper shaft collar and the trimming cam 2.5mm apart from each other and place the trimming
cam where the trimming cam carving line accords with the upper shaft carving point. Then, tighten
screw ①.
[ Caution ]
If the trimming cam is not placed in the right position, the trimming operation may not be made correctly
in the machine may be struck.
Upper Shaft
B. How to adjust the link stopper
ⓐ With the needle bar in its lowest position, check if there is enough space between the trimming cam
roller and both ends of the trimming cam when the trimming drive link is pushed in the direction of
the arrow ( ) within the trimming cam moving part.
[ Caution ]
If there is not enough space between the trimming cam roller and both ends of the trimming cam, trimming
may not be operated correctly or the machine may be struck when beginning to sew or trimming.
ⓑ Make the end of the link stopper screw touch part
cam roller is inserted into the trimming cam moving part. Then, tighten the nut.
[ Caution ]
If the position is not set appropriately, the return to the previous point after trimming may be delayed
and the first stitch may not be tight enough.
Thread Trimmer
Cam Roller
Thread Trimmer
Connecting Rod
30
Thread Trimmer Cam
2.5mm
→ →
Upper Shaft Collar
①
Link Stopper Screw
Engraved Line
of the trimming link stick when the trimming
Clearance
Clearance
Thread Trimmer Cam
Nut
Engraved Line
Upper Shaft
Thread Trimming Driving Link
Link Stopper Screw
Thread Trimmer Connecting Rod
[Fig. 43]
[Fig. 44]