Needle Bar Guide - Duerkopp Adler 579 Service Instructions Manual

31. Needle Bar Guide

1
52
Caution Risk of Injury!
Conduct the setting of the needle bar guide only with the machine
turned off.
Rule and Control
If the needle bar guide was disassembled, care is to be taken when
re-assembling that the clearance between swing sleeve 5 and guide 6
is equal on both sides (dimension X1 equals dimension X2).
If the clearance differs, the stitch pattern appears displaced (see
illustration above right).
a) Correct stitch pattern.
b) Stitch pattern when the needle bar guide is not set centered.
Correction
Assemble the guide (see illustration)
–
Set the same clearance on both sides with the aid of the two
–
setting screws 1 and 4.
Tighten clamping screws 2 and 3
–
Insert a short needle.
–
As sewing material, insert a piece of paper or cardboard
–
Sew a buttonhole
–
Correct the clearance between the swing sleeve and the guide a
–
2 3 4
little, if necessary.
5
6
a) b)