Thread Trimmer - Duerkopp Adler 530 Service Instructions Manual

5.5 Thread tension lifting
2
3
2
8
32
1
7
1
Caution: Danger of injury!
Switch off main switch.
Check and adjust the thread tension lifting only when the button
sewing automat is switched off.
Standard checking
The thread tension is opened during thread trimming.
The tension release arm 6 actuates the presser bar 7 and opens the
thread tension with the pressure pin.
When trimming the thread the presser bar 7 is actuated by the lever 5.
–
Make sure that the tension release finger 2 rests on the tension
release catch 3.
If the finger does not rest on the catch, push the tappet 1 in the
direction of arrow manually and turn the main shaft in the direction
of rotation until the position is reached.
–
Loosen clamping screw 4.
–
Adjust the tension release arm 6 correspondingly.
Reduce the distance between lever 5 and arm 6 = the tension discs
open wider.
Increase the distance between lever 5 and arm 6 = the tension
discs open less.
–
Tighten clamping screw 4.
4
5
6