Operation Manual

z
Changing the buttonhole
stitch length
With
the
stitch
length key
(125),
the
buttonholf
seams can be set more densely or loosely.
Buttonholes with
gimp thread
In the
case
of elastic materials, it is possible thai
the
button holes
extend.
Therefore, the button
hole strip should be
strengthened with interlininç.
material. In order to retain the shape
of
the button
hole, use gimp thread if possible. Place the gimp
thread over the back ridge ‘A”, pull taut and jam it
into
front
ridge “B” to the
left and right (Fig. 1)
(Pull
runner
fully forwards).
The buttonhole sequence is the same as
withou
gimp thread, see page 102, After completing thE
buttonhole pull on both thread ends of the gim[
thread (Fig.
2),
until
the loop is
covered up
by
the
bar. This is where the button is located
later. Pull
the
gimp
threads through to the
underside with
a
needle, secure them and trim them.
We recommend
to
determine the second scanE
bar yourself for this
type
of buttonhole (see page
102).
Single buttonhole
As you know, it is difficult to sew
buttonholes
in
collar stands, waistband strips etc. In such cases,
the buttonhole length should be drawn in pre
viously
and the
first
seam,
bartack and second
seam
controlled
by hand. Sewing
foot No.
2
can
After
sewing,
cut
the buttonholes open (see
also be used for this work.
page 106).
(Sewing procedure
as
described on page 102).
B
104