Needle Bar Height - Duerkopp Adler 530 Service Instructions Manual

3.4 Needle bar height

2
20
1
Caution: Danger of injury!
Switch off main switch.
Check and adjust needle bar height only when the button sewing
automat is switched off.
Standard checking
The needle bar 1 is provided with four notches as adjusting aid.
The two lower notches are used on the needlesystem DPx17 which is
part of the automat's standard equipment.
When the needle bar is in its lowest position, the upper notch 3 should
be on the same level as the bottom of the needle bar bush.
–
Move needle bar 1 to its lowest position.
–
Check whether the upper notch is at the same level as the bottom
of the needle bar bush.
Correction
–
Loosen needle bar fastening screw 2.
–
Adjust needle bar 1 height.
Make sure that the needle bar 1 is not twisted.
–
Tighten needle bar fastening screw 2.
3
1