Singer 1640 - Page 25

Turn
Stitch
Length
Dial (A
Fig.
35)
to
longest
stitch.
Turn
Stitch
Width
Dial (B
Fig.
35)
to
“0”
position
for
triple
seam
stitch,
to
wider
zigzag
width
for
rickrack
stitch.
Stretch
straight
stitch
is
a
triple
lock
stitch,
combining
stretchability
and
strength.
Use
for
stitching
regular
seams
in
knits
and
stretch
fabrics.
Use
for
stitching
seams
in
woven
fabrics
that
receive
a
lot
of
strain
when
worn,
such
as
side
seams,
crotch
seams,
and
armholes
in
sportswear
and
children’s
clothes.
Also
use
for
topstitching
when
you
want
a
heavier
row
of stitching
without
using
buttonhole
twist.
Guide
fabric
gently
allowing
machine
to
make
the
back-and-forth
stitches
that
give
stretch
to
the
seam.
STRETCHABLE
BLINDSTITCH
Turn
Stitch
Selector
(C
Fig.
35)
to
Turn
Stitch
Length
Dial
(A
Fig.
35)
to desired
length.
Turn
Stitch
Width
Dial
(B
Fig.
35)
to
desired
width.
This
stitch
is
specially
designed
for sewing
and invisible
hem
on
stretch
fabric.
Fold
material
into
size
of hem
desired
and
fold
back
as shown
below
with 1/5
inch
(5
mm)
overlapping
on
bottom
fold
of edge.
Start
to
sew
on
the
fold,
having
narrower
zigzag
stitches
sewn
on hem
edge
and
wider
zigzag
stitches
slightly
touching
folded
top.
Unfold
the
fabric,
and
you
will
have
an
invisible
hem.
H1r
SATIN
STITCH
(See
Fig.
35)
1
Turn
Stitch
Selector
(C
Fig.
35)
at
2
Turn
Stitch
Length
Dial
(A)
to
shortest
indication
mark.
Turn
Stitch
Width
Dial
(B
Fig.
35)
to
desired
width.
Closely
spaced
zigzag
stitches
which
form
a
smooth,
satin-like
surface
are
called
satin
stitches.
May
be
used
for
monograms,
appliques
and
embroidery.
TRIPLE
SEAM
STITCH
AND
RICKRACK
STITCH
i.
Turn
Stitch
Selector
(C
Fig.
35)
at
2.
3.
1.
2.
3.
1.
2.
3.
—22—