Operating instructions

Operation
Operating Instructions 650-16 - 01.0 - 06/201428
Figure 6: Setting the thread regulator
Steps
1. Loosen the screw (1).
2. Change the setting of the thread regulator (2).
3. Tighten the screw (1).
5.4 Winding the hook thread
(1) - Screw
(2) - Thread regulator
(3) - Thread tensioning spring
1
2
3
Possible machine damage through moving the bobbin
without performing sewing
Moving the bobbin without performing sewing can cause dam-
age to the presser foot and the bobbin case in the hook.
Activate bobbin mode if you wish to wind the hook thread with-
out performing sewing.
ATTENTION