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Looper Thread Tension Slider
This slider controls the looper thread tension.
Shifting this slider to the left will tighten the looper thread
tension for sewing on heavyweight fabrics.
The needle thread tensions should be tightened by
turning the tension dials when the slider is set to the left.
Shift the slider back to the right and return the tension
dials back to their original settings for normal sewing.
Recommended tension settings for heavyweight
fabrics
Triple cover stitch
q
w
Left needle
Center needle
8
6
Cover Stitch
q
w
Left needle
Center needle
4
4
5
-
-
6
Chain stitch
q
w
Left needle
Center needle
8
-
-
8
-
-
NOTE:
Increase the stitch length ans/or assist fabric feed with hands when
sewing over bulky layers.
Layers thicker than 6 mm may not be fed smoothly and may result
in skipped stitches and/or thread or needle breakage.
36
e
r
Right needle
Looper
6
3
e
r
Right needle
Looper
-
3
3
3
4
3
e
r
Right needle
Looper
-
3
-
3
7
3
t
Lever
Left
t
Lever
Left
Left
Left
t
Lever
Left
Left
Left
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