Duerkopp Adler 506 Service Instructions Manual page 7

4
–
Turn the handwheel in the direction of run until the hook point
exceeds the right edge of the needle by 2 mm.
ATTENTION!
Care of the driver lying on the barrel shuttle in the direction of run.
–
Loosen the clamping screws 4.
–
Set needle bar height so that the lower edge of the hook just
becomes visible in the eye of the needle (see drawing above).
–
Tighten the clamping screws 4.
–
Attach again clamps 3 with screws 2.
2 mm
7