Operation Manual

21.
STITCH
VARIATIONS AND
SEWING
TECHNIQUES
• HOW
TO SEW
A FLATLOCK
DECORATIVE
SEAM
*
A
flatlock stitch is
achieved by adjusting the
tension
of
the
three-thread overlock stitch, sewing
the seam and pulling
the fabric apart to
flatten the
seam.
*
The flatlock stitch can be used as a
construction
and
decorative stitch or for
ornamentation
only.
(1)
MachineSetUp
*
Remove
the left or
right needle.
*
Begin with
the machine
threaded and tension
balanced for
the three-thread
overlock
stitch (page
21).
*
Loosen the needle
thread tension (green or
blue)
generously.
*
Loosen
the
upper
slightly.
*
Tighten
the
lower
generously.
looper
thread
tension
(orange)
looper
thread
tension
(yellow)
(2)
FatIocking
a Seam
*
Place the
fabric wrong
sides
together to
sew a
decorative stitch on
the
right side of
the
garment.
*
Sew the seam,
trimming
the
excess fabric.
*
The
needle thread (green
or
blue) will form a V on
the underside of the fabric.
*
The lower
looper
thread will
pull into a
straight
line
at
the
fabric edge.
29