Operation Manual

5. Trimming and clamping device for the needle threads
5.1 Function
Caution: Risk of injury!
Switch the main switch off.
Check knife and thread catcher only with the sewing unit switched off.
Function
The cylinder 2 is switched on after the seam end and during the
feed to the corner knives.
The thread catcher 3 lowers and takes the needle threads up.
After a preset time the thread catcher shoots up.
The needle threads are clamped at the clamping piece 1 and cut off
by knife 4.
After the first stitches of the next seam the clamped needle threads
are released.
By means of the springy clamping sheet 1 the thread catcher 3
abuts flat on the knife 4. Thus, the knife is automatically in parallel
position.
Function check
Call up the adjustment and test program “Selecting the output
elements” (see programming instructions chapter 5.6.1 Multitest).
Select the output element Y1”.
Pull the needle threads to the back.
Switch the output element on and off by pressing the function key
OK”.
Check whether the threads are accurately cut and clamped.
28
21
43