Singer 645 - Stretch Stitch Lever and Pattern Selector

STRETCH
STITCH
LEVER
Selection
between
ordinary
stitching
and
triple auto
matic
backand4orth
stitching
called
stretch
stitch is
made by
the
stretch stitch
lever.
With
the
lever up at
“REGULAR
STITCH”
position,
ordinary
sewing is
performed.With
the lever
down at
“STRETCH
STITCH”
position,
your
machine
automatically
performs
the
stretch stitch
with
the repetition
of two
forward
and one
backward
stitch
combination.
A
reinforced
seam
of
stretch stitch that will stretch
considerably more than the fabric used is the most
wanted
feature in
a
sewing
machine
today.
Its uses are
almost
unlimited
and
the more
you use
your machine
the
more it
wilt
become apparent
to
you.
When stretch stitching, the
stitch length
control should
be
always set
at 5.
STITCH
PATTERN
SELECTOR
In
addition to
ordinary straight
and zigzag stitches, three consecutive
buttonholing-
step stitches,
3
different
kinds
of
utility
forward stitches,
3 special
stretch
stitches
and straight
and
Rick-Rack
stretches
as
shown on the
Stretch Stitch
Patterns
Marking can be
selected
by
this selector.
This selector
can be turned
only
to
the
right, except
for
it’s
buttonhole
step selection range where the selector can
be
turned
to both directions.
For
regular stitch patterns, set
the
pattern
selector
at the selected pattern position
and the stretch stitch
lever
at
“REGULAR STITCH”.
The regular stitch patterns
selected
by the
selector are
turned to the stretch stitch
patterns shown in same color
as those of regular stitch patterns on
the
selector
respectively, simply by setting
stretch stitch
lever
at “STRETCH STITCH”.
All regular stitches are
made by
forward
sewing at an
optional
forward stitch
length
selected by
stitch length
control.
All
stretch
stitches are made
at
the fixed stretch
stitch
length with the stitch length control
at 5 and
the stretch stitch lever
at
“STRETCH STITCH”.
To balance
the left
side of the buttonhole, first
step, with the
right
side
of the
buttonhole, third step,
‘ adjust the buttonhole reverse
stitch
tuner.
- With the selector
at buttonhole step
(2—4),
your machine does not feed fabric for
bartacking the buttonhole
ends and,
with
it at buttonhole
step
(3),
it feeds fabric in
-
reverse
to sew the right buttonhole
edge
with the preset
reverse satin stitch length
automatically, regardless
the
setting of
stitch length control.