12 Sewing test
After finishing the assembly work a sewing test has to be made:
–
Insert the mains plug.
Caution: Danger of injury !
Needle thread, looper thread and gimp thread must only be
threaded when the machine is switched off or in the threading in
mode!
–
Insert needle
–
Thread in looper thread (see operating instructions).
–
Thread in needle thread (see operating instructions).
–
If desired, thread in gimp thread (see operating instructions).
–
Switch on main switch.
–
Load workpiece to be processed.
–
Select a buttonhole type and adjust 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).
Attention!
The control unit is empty, if after a relative long waiting time the main
menu does not appear on the control panel.
In this case, the program must first be loaded (see chapter “Installing
the sewing software”).
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