Duerkopp Adler 669 Service Instructions Manual page 24

20
1
Correction looping stroke setting
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Loosen screws on the toothed wheel 1.
–
Arrest the machine head in position I by putting
the locking pin Ø 5 mm into the large groove.
–
Set the stitch regulator lever or the stitch length setting wheel to
"0".
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Set the hook in a way that the hook tip 2 stands in the middle of the
needle.
–
Fasten screws on the toothed wheel 1.
–
Mount all the dismantled parts again.
2