Distance Between Hook Tip And Needle - Duerkopp Adler 530 Service Instructions Manual

3.5 Distance between hook tip and needle

2
1
Caution: Danger of injury!
Switch off main switch.
Check and adjust distance between hook tip and needle only
when the button sewing automat is switched off.
Standard checking
The hook tip 4 must stand as close as possible to the hollow groove of
the needle, however, without touching it.
The tip 5 of the hook path bearing 6 should have a distance of 7.5 mm
to the right side of the needle.
–
Remove bobbin case top part with bobbin.
–
Insert a new, straight needle 3.
–
Move hook tip 4 up to the hollow groove of the needle 3 by turning
the handwheel.
–
Check position of the hook tip to the needle.
–
Check distance of the tip 5 of the hook path bearing to the right
side of the needle.
Correction
–
Loosen screw 2.
–
Adjust hook path bearing 6 axially with the eccentric 1.
Eccentric to the left = smaller distance between hook tip and needle
Eccentric to the right = larger distance between hook tip and needle
–
Twist hook path bearing 6 in such a way that it has a distance of
7.5 mm to the right side of the needle.
–
Tighten screw 2.
3
4
6
5
3
21