2) stretch overedge, To set the differential feed adjusting lever – SINGER 14U454B Ultralock User Manual
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(2) Stretch overedge
(Use regular or rolled hemming throat plate)
* Stretch overedge is ideal for sewing decorative
collars, sleeves, skirt hems, etc. on loosely knit and
woven fabrics.
To set the differential feed adjusting lever
* Open looper cover and loosen differential feed
adjusting lever thumb screw.
* Slide adjusting lever upward above the center
mark, as required, to stretch, and tighten the
thumb screw.
* To sew a seam, apply gentle tension to the fabric
by holding the seam lightly in front and back of
the presser foot.
Note:
If amount of “stretch” is not correctly set in
relation to the fabric being sewn, the fabric is
apt to shift away from the needle resulting in
improperly sewn overedge seam. In such case,
reset differential feed adjusting lever closer to
the center mark.
* Be sure to reset the differential feed adjusting lever
to center mark for normal overedge stitching.