11. Sewing Test
After completion of the installation work a sewing test is to be conducted!
–
Plug in the mains plug.
Caution Risk of Injury !
Turn the main switch off.
Thread the underthread for winding only with the sewing
machine turned off.
–
Thread the underthread for winding (see Operating Instructions).
–
Turn the main switch on.
–
Fill the bobbins at low sewing speed.
Caution Risk of Injury !
Turn the main switch off.
Thread the needle thread and underthread only with the
sewing machine turned off.
–
Thread the needle thread and underthread (see Operating Instructions).
–
Select the material to be worked.
–
Conduct a sewing test first at low and then at continuously increasing speed.
–
Check if the seams meet the desired requirements.
If the requirements are not met, change the thread tensions (see Operating
Instructions).
As required, the settings given in the Service Instructions are also to be checked
and, if necessary, corrected.
GB
75
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