Bernette b68 AIRLOCK - Upper Looper Converter Hooked In;Hooked out; Setting the Stitch Length

Machine Settings
57
2022-05 EN 50400685.00A.04
6.5 Upper Looper Converter Hooked in/Hooked out
By attaching the upper looper converter, the upper looper grabs the lower looper thread so that it covers the
entire fabric edge.
Prerequisite:
• The needles are in the top position.
• The upper looper thread is removed.
• The lower looper thread is below the upper looper.
> To hook in the upper looper cover, place the end of the upper looper cover over the elevation of the
upper looper and hook the tip of the upper looper cover into the looper eye.
> To unhook the upper looper cover, lift the end of the upper looper cover upwards and unhook the lock-
in lug from the looper eye.
6.6 Setting the Stitch Length
The stitch length can be infinitely adjusted between 1.0 – 5.0mm while sewing.
> To elongate the stitch, set the stitch length knob to a higher value.
> To shorten the stitch, set the stitch length knob to a lower value.