Bernette Airlock b64 - Securing Overlock Stitches; Knotting the Overlock Chain; Undoing Overlock Stitches

Practical overlocking
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2020-09 EN 5040064.00A.04
Securing overlock stitches
> Sew a thread chain of about 10 cm beyond the end of the seam.
> Pull the thread chain end through the looper threads using a loop flip or a tapestry needle.
Knotting the overlock chain
Knotting the overlock chain is the safest way to prevent the stitch from opening.
> Tie thread chain at the seam end, close to the fabric.
9.2 Undoing overlock stitches
The thread loops of the Looper and Needle Threads can be undone easily.
> Pull the right overlock Needle Thread (RN) out of the thread chain with tweezers, starting from the seam
end.
> Pull the Needle Thread out of the seam.