Singer 645 - Built-In Buttonhole

BUILT-IN
BUTTONHOLE
This
buttonhole
eliminates
the
needle
for
pivoting
the
fabric.
It
is
used
most
often
on
light
and
medium
woven
fabric.
The
narrowest
buttonhole
is
made
with
stitch
width
control
at
3
and
the
widest
one
is
done
with
it
at
5.
The
stitch
length
control
should
be
at
“BUTTON
HOLE”
or
near
0
not
to
without
stop
feeding
action.
With
stitch
width
at
your
desired
position
between
3
and
5,
a
buttonhole
can
be
made
by
simply
turning
stitch
pattern
selector
from
buttonhole
position
1
to
those
2,
3
and
4
in
sequence
on
the
stitch
pattern
selector
panel.
2€
1.
Set
stitch
pattern
selector
at
buttonhole
(1).
Lower
needle
into
the
mark
at
the
top
left
end
of
button
hole.
Lower
buttonhole
foot
and
sew
on
the
left
side
I
of
buttonhole
until
you
reach
the
bottom
end
of
buttonhole.
2.
Turn
pattern
selector
to
buttonhole
(2-4>
and
take
just
a
few
stitch
to
bartack
the
bottom
end
of
button
hole.
3.
With
needle
up,
turn
the
pattern
selector
to
the
buttonhole
(3)
to
sew
on
the
right
side
of
buttonhole.
The
stitch
density
in
this
step
to
make
it
even
to
the
left
edge
forward
stitch
can
be
adjusted
by
the
buttonhole
reverse
stitch
tuner
at
the
top
of
machine
arm,
though
the
evenness
of
both
stitch
densities
should
be
roughly
adjusted
in
advance
by
the
stitch
length
control
on
the
forward
stitch
density
of
the
left
buttonhole
edge.
To
increase
the
stitch
density
on
this
right
buttonhole
edge,
turn
the
tuner
by
screwdriver
to
the
right
(4-),
and,
to
lengthen
stitch
length
to
decrease
the
stitch
density
turn
to
the
left
4.
With
the
needle
out
of
the
cloth,
turn
again
to
the
buttonhole
(4)
position
and
complete
the
buttonhole
by
bartacking
just
a
few
stitch
on
the
top
end
of
buttonhole.
5.
To
lock
the
stitch,
make
sure
the
needle
is out
of
the
fabric
and
set
the
pattern
selector
at
ordinary
sewing
position,
the
stitch
width
control
at
0,
and
feed
dog
height
down.
Then
take
a
few
stitches.
6.
To
prevent
cutting
through
the
bartack
insert
a
straight
pin
through
the
bartack
and
cut
buttonhole
open.
-
Pattern:
IJ——t1--
Length:
Buttonhole
Width:
3—5
Feed
Dog:
High-Down
Pressure:
Full
Foot:
Buttonhole
Foot
Stretch
Stitch:REGUL.AR
32