Distance Between Looper And Needle - Duerkopp Adler 559 Service Instructions Manual

14. Distance between looper and needle

4
0,1 mm
1
Caution: Danger of injury !
Switch the main switch off.
Adjust the needle protection only with the machine switched off.
Standard checking
The looper points 1 and 4 should be in a distance of max. 0.1 mm to
the needle 3. The distance between looper and needle should be equal
during the whole rotary motion of the looper turret.
–
Turn the handwheel until the left looper point is at the level of the
middle of the needle. Check the distance between needle and
looper point in the following positions.
1. Looper point basic position
2. Looper turret manually turned by 90°
3. Looper turret manually turned by 180°
If the distance between looper point and needle is different in the three
positions, first align the rotary centers of needle bar and looper turret.
Correction
–
Loosen screw 2 at the corresponding looper.
–
Set the distance between looper and needle accordingly.
–
Tighten screws 2.
2
3
3
39