Singer 1640 - Page 29

Seion
6
SEWING
ON
BUTTONS
You can sew both
two
and
four
holes
of
buttons
with
your machine.
Change
presser foot to
the
button
sewing
foot
(Fig.
39)
and lower
drop feed by
placing
feed
cover
on needle plate
(See
Page
1
7).
Set
Patch -0-Matic
Darner
so
pressure
is completely
released.
(See
Page
17,
A.
Fig.
27.)
Set
Stitch Selector
(C
Fig.
35)
at
Place button
under button
sew
ing
foot
so
that
needle
enters left hole
freely. Set
Stitch Width Dial the
same width
as
the
hole in
the
button. Turn Hand
Wheel
toward
you
and test carefully
that the
needle
goes
through
the
center
of first one
hole
and then
the
other. If necessary,
adjust
zigzag width.
Then
sew
5
to 6 stitches.
Turn
Stitch Width
Dial
(B
Fig.
35)
for
straight
stitching
and take about
3 stitches
to
lock the thread.
Thread Shank
Sew-through
buttons
on coats
and jackets
should
have a
thread shank
to make
them
stand
away
from the fabric.
Place a
straight
pin or
sewing
machine
needle
on top
of button
between
the
holes, and
sew
over
the
pin or
needle.
(Fig.
40>
Pull thread to
back of
button and
wind
around
stitches to
form a
firm shank.
Tie
thread
ends
securely.
PIg
39
FIg
40
—25—