Duerkopp Adler 739-23 Maintenance Instructions Manual page 10

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7
3-10
6
Distance between hook and set collar
Loosen securing screws 6 of the hook drive housing 7.
Move hook drive housing 7 to the side.
There must be a distance of 0.4 mm between the hook 2 and the
set collar 1.
Tighten securing screws 6 of the hook drive housing 7.
Check the distance from the hook tip to the needle and adjust, if
necessary (see chapter 2.5).
2
1

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