Thread Pulling Knife - DURKOPP ADLER 767 Service Instructions Manual

13.2 Thread pulling knife

Standard checking
The thread pulling knife is to be set sideways so that it swings past at a
safe clearance to the nose of the bobbin case. The thread pulling knife
may not collide with the bobbin case.
The height of the thread pulling knife is to be set so that it swings as
close as possible over the bobbin without touching it.
Caution Risk of Injury !
Turn the main switch off.
Set the thread pulling knife only with the sewing machine
turned off.
Correction
Sideways setting
–
Loosen screws 3 and 4.
–
Set the thread pulling knife 1 sideways as described above.
–
Tighten screws 3 and 4 again.
Height
–
Loosen screws 2 and 5 on the setting collars.
–
Set the height of the thread pulling knife.
–
Fix shaft 6 axially with the two setting collars so that the thread
pulling knife can move easily without play.
–
Tighten screws 2 and 5 on the setting collars again.
ATTENTION !
A false setting of the height can lead to following consequences:
–
No secure catching of the threads.
–
Contact of the slider.
–
Damage to the bobbin.
1
2
3
4
5
6
GB
53