Bernette Airlock b64 - Changing the Needle Thread; Changing the Looper Thread

Threading
61
2020-09 EN 5040064.00A.04
Changing the needle thread
NOTICE
Pulling a thread tie through the needle eye
The needle can be bent. A bent needle affects the stitch formation.
> Cut the tie in front of the needle eye and thread the needle individually.
> Cut the thread above the thread cone.
> Change the thread cone.
> Tie the threaded thread to the new thread.
> Pull the threaded end of the thread until the newly knotted thread is in front of the needle eye.
> Cut off the new thread behind the knotting.
> Remove the excess thread from the eye of the needle.
> Thread the needle eye.
> Place the thread beneath the presser foot to the back left.
Changing the looper thread
> Cut the thread above the thread cone.
> Change the thread cone.
> Tie the inserted Looper Thread to the new thread.
> Pull the end of the thread out of the Looper Eye until the knot emerges.
> Cut off the new thread behind the knotting.
> Place the thread under the presser foot to the left.