Changing The Needle - Duerkopp Adler 743-221 Operating Instructions Manual

2.11 Changing the Needle

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Caution Risk of Injury !
Turn the main switch off.
Change the needle only with the sewing unit turned off.
–
Loosen screw 1 and remove the needle.
–
Push the new needle into the drilled hole of the needle bar 2 up to
the stop.
Attention!
Viewed from the operator side of the sewing unit the furrow 3 of
the needle must show to the right, that is, to the hook point (see
sketch).
–
Tighten screw 1.
ATTENTION !
After a change to another needle thickness the clearance of the hook
to the needle must be corrected (see Service Instructions).
The non-observance of the above correction can lead to following
faults:
–
Change to a thinner needle:
–
Change to a thicker needle:
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- Missing stitches
- Damage to the thread
- Damage to the hook point
- Damage to the needle
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