2.9 Thread advancing device
During the cutting process, the thread advancing device 2 will be
moved forwards after picking up the loop, and it will be returned during
the 2
nd
movement phase of the thread cutting knife
The thread advancing device has been timed by the control unit. No
change is possible.
The thread advancing device ensures a defined thread length required
for starting the seam and it compensates for any thread elongation.
Caution: Danger of bodily injuries !
Turn off main switch.
Turn off the machine before adjusting the thread advancing device.
Rule and control
The thread advancing device 2 should advance enough thread to meet
the following requirements for the next sewing cycle :
–
Safe seam beginning.
–
Pulling the thread end under the fabric.
–
No "thread deflection" into the hook.
Correction
–
Loosen the screw 1.
–
Change the position of the thread advancing device 2 accordingly.
–
Tighten the screw 1.
1
2
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