Thread Controller Spring - Duerkopp Adler 975-1-5 Service Instructions Manual

2.6 Thread Controller Spring

16
1
2
3
4
5
The thread controller spring 2 should have just reached its lowest
position when the needle has entered the cloth up to the eye.
Caution Risk of Injury !
Turn the main switch off.
Set the thread controller spring only with the sewing unit turned off.
Run
–
Turn the handwheel until the needle has entered the cloth up to the
eye.
–
Loosen screw 5.
–
With the bolt 4 turn the whole thread tension unit 3.
The thread controller spring 2 must just have reached its lowest
position.
–
Tighten screw 5 again.
Tension
–
Loosen screw 5.
–
Pull the thread tension unit 3 out.
–
Loosen screw 1.
–
Adjust bolt 4.
–
Tighten screw 1 again.
–
Reinsert the thread tension unit 3 again.
–
Tighten screw 5 again.