8 Sewing test
A sewing test should be carried out when the setting-up has been
completed.
–
Plug the mains cable into the socket.
Caution: Risk of injury!
Tur n off the main switch.
The needle and hook threads may only be threaded with the sewing
machine switched off.
–
Wind up and thread in the bobbin-winder thread (see operating
instructions).
–
Thread in the needle and hook thread (see operating instructions).
–
Select the material to be processed.
–
Switch to test seam mode on the touchpanel PC (see operating
instruction).
–
Carry out the sewing test, first at low speed and then gradually
increasing it.
–
Check that the seams are of the requisite quality.
If not, alter the thread tensions (see operating instructions).
If necessary the settings given in the service instructions should
also be checked and corrected.
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