Sewing Test - DURKOPP ADLER 381 Installation Instructions Manual

9. Sewing test

Following the installation, proceed to a sewing test!
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Introduce the mains plug.
–
Thread the bobbin (see the Operating Instructions).
–
Turn on main switch.
–
Fill the bobbin at low speed.
–
Thread the needle and the hook (see the Operating Instructions).
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Select the material to be sewn.
–
Conduct the sewing test first at low speed and then at an increasingly higher
speed.
–
Check whether the seems are meeting the requirements.
If the requirements are not met, modify thread tensions (see the Operating
Instructions).
If required, check and, if necessary, also correct the settings specified in the
Service Instructions.
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Caution: danger of bodily injuries !
Turn off main switch.
Switch off the sewing machine before threading the needle
and the hook.