Duerkopp Adler 558 Operating Instructions Manual page 23

Needles
Needle system: 558
Needle thickness: Nm 90 - 110
Dependent on type of sewing thread and material.
Replacing the needle
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Swing up the combined finger-eye protection.
The needle is accessable without hinderance.
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Loosen screw 1 and remove the needle.
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Push the new needle as far as possible into the hole in the needle bar 2.
Attention !
The furrow of the needle must show to the front with the machine in its end position.
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Tighten screw 1 again.
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Swing the combined finger-eye protection back again.
Threads
As needle and hook thread, spun, synthetic fiber thread or silk thread can be used.
The appearance of the buttonhole is considerably influenced by
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the thread used.
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the use of different strengths for needle and hook thread.
Gimps
The gimp should stabilize the buttonhole and at the same time by it form.
It should have the following characteristics:
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not too thick, but pliable and firm
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uniform diameter
The recommended threads and gimps in the table alongside are only guide lines.
Dependent on sewing device (E no.) and material other threads and thread thicknesses
may also be required.
Caution Risk of Injury !
Pull the mains plug.
Replace the needle only with the machine turned off.
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