SINGER WSL2000 ATS (Part 1) - Manual (Page 23)

ADJUSTING THREAD TENSION
#
Just Right Upper Looper Thread
Pulled to the Underside Lower Looper Thread
Pulled to the Top Side
Under side
^ Lower
, J ' tooper
j ' thread
i Top side'
Increase upper looper thread
tension and/or decrease lower
looper tension.
Increase lower looper thread
tension and/or decrease upper
looper tension.
Left Needle Thread Loose
and visible on undereide of
fabric.
Right Needle Thread Loose
and visible on underside of fabric.
Top skte It
I-
Increase left needle tension Increase right needle thread tension.
and/or cteaease both loopers.
21