Balanced Tension - ELNA 745 Mode D'emploi

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3 Thread Overlock

Balanced Tension

a. The needle thread should resemble
straight stitches on the topside (1) of the
fabric and lie on the left hand side of the
upper looper thread. The needle thread is
visible in the lower looper thread on the
underside (2) of the fabric.
b. The upper looper thread should lie flat on
the topside of the fabric and lock with the
lower looper thread on the edge of the
fabric.
c. The lower looper thread should lie flat on
the underside of the fabric and lock with
the upper looper thread on the edge of the
fabric.
1. The upper looper thread is too loose.
If the upper looper thread (b) is loose and
pulled down to the underside of the fabric,
increase the upper looper thread tension
(yellow) and/or decrease the lower looper
thread tension (green).
2. The needle thread is too loose.
If the needle thread (a) is too loose and
clearly visible on the underside of the
fabric, increase the needle thread tension
(red) and/or decrease either or both
looper thread tensions.
3. The lower looper thread is too loose.
If the lower looper thread (c) is loose and
pulled up onto the topside of the fabric,
increase the lower looper thread tension
(green) and/or decrease the upper looper
thread tension (yellow).
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