DURKOPP ADLER 540-100-1, Manual Complete, Page: 188 / 234

10. Sewing test
After completion of the assembly, a sewing test should be made.
–
Wind up bobbin thread (see operating instructions chapter 3.2)
Caution: Danger of injury !
Switch off main switch.
Thread in the needle and bobbin thread only when the sewing automat
is switched off.
–
Thread in the needle thread (see operating instructions
chapter 3.1).
–
Place the bobbin and its housing (see operating instructions
chapter 3.2 and 3.3).
–
Switch on main switch.
The control unit is initialized.
–
Choose a workpiece to be processed.
–
Begin with a low speed at first (see operating instructions).
Gradually increase the speed.
–
Check that the buttonhole meets the desired requirements.
If not: Alter the thread tension (see operating instructions
chapter 3.7).
If needed please check also the setting instructions described
in the service instructions.
24