Threading The Looper Thread With An Auxiliary Thread - Bernina L 890 QUILTERS EDITION User Manual

Threading
Unfavorable Stitch Formations
NOTICE
Too thick looper thread creates high friction in the looper eye and in the air threader pipe. As a result, the
machine cannot ensure an optimum stitch formation. It is therefore recommended to choose a thinner
thread.

Threading the looper thread with an auxiliary thread

The use of an auxiliary thread makes sense if a Looper Thread cannot be threaded automatically with the Air
Threader.
Prerequisite:
•
> Open the threader cover and the looper cover.
> Set the air threader connector to «I».
> Prepare an auxiliary thread at a length of about 80 cm.
> Fold the auxiliary thread in half, hold the thread loop and position the two thread ends above the
> Start the air threader process by pressing the foot control until the thread ends emerge out of the looper
> Pull the looper thread end approx. 20 cm through the thread loop.
> Pull the auxiliary thread ends until the looper thread comes out of the looper eye.
> Remove the auxiliary thread.
> Place the looper thread under the presser foot to the rear left.
An alternative threading option for thick threads. (see page 87)
Unfavorable Stitch Formations
NOTICE
Too thick looper thread creates high friction in the looper eye and in the air threader pipe. As a result, the
machine cannot ensure an optimum stitch formation. It is therefore recommended to choose a thinner
thread.
86
«Preparing for Threading» has been performed. (see page 79)
respective air threader nozzle.
eye.