Sewing Test - Duerkopp Adler 609 Instruction Manual

10. Sewing test

18
After completing the setting-up a sewing test must be carried out.
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Insert the mains plug.
Caution: danger of injury !
Turn off the main switch.
The needle and hook thread may only be threaded in with the
sewing machine switched off.
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Thread in the hook thread for winding (see operating instructions).
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Lift the sewing foot by turning the hand wheel.
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Turn on the main switch.
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Fill the bobbin at low speed.
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Thread in needle and hook thread (see operating instructions).
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Select the fabric to be sewn.
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Carry out the sewing test first with low speed and then gradually
increasing the speed.
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Check, whether the seams meet the desired requirements.
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If the requirements are not met, change the thread tension (see
operating instructions).
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If necessary the settings indicated in the service instructions may
also have to be checked and adjusted.