Pfaff creative 1472 - Page 43

Stretch
buttonhole,
prog.
91
programmable
Determining
your own buttonhole
seam
length
and
bartack
When you
press right
(4) program
key (22)
the
buttonhole symbol appears
at
the right
side of
program 91
and both segments
will flash (Fig 1)
Before
beginning the
buttonhole pull the runner
of the
buttonhole foot fully to the
front.
•
Sew the first buttonhole
seam
at
the
length
required (Fig 2a).
•
Press
the
tie-off/buttonhole” key
19 (Fig
2)
Now, only
the
left
upper
segment of the but
tonhole symbol is
flashing
(Fig.
3)
The
machine then automatically
sews
the
first bar-
tack and the
return
seam
(Fig
2b).
Shortly
before the
end of seam the machine
sews
slowly,
stitch
by
stitch, in order to
draw atten
tion
to
the last bartack. One
zigzag stitch
before
the end of the first
buttonhole seam
press
key
19 again. The second
barlack is now
sewn
and tied off (Fig 2c) (Both
segments of
the
buttonhole symbol are
oft, Fig. 4).
• Now
the buttonhole
is stored. Without
having
to actuate
further keys.
all following
button
holes
can
be
sewn
automatically
Adjusting the
density
of
buttonhole
seams
With stitch-length
keys 7 the
buttonhole seams
can be
set more
densely
or loosely.
The stored buttonhole
density
is 1.5
mm.
Make
a sample buttonhole first.
““F:
F:
F:
F:
Changing
the
buttonhole width
F.
For
every
type
of fabric, the corresponding
but
tonhole
width can
be
determined
up to 55
mm.
For
heavy materials
select
a
wide buttonhole and
for
light materials
a
narrow one With stitch width
-
keys
8, you
determine
the required buttonhole
width. The length
of the cut changes automati
cally (Fig. 6). A
buttonhole
width
of
5
mm is now
stored.
Adapting the density
of the left
F:
buttonhole seam
to
the right
one
With “balance” keys
5
the
left
buttonhole seam
F:
can
be adapted to
the
right
one
• Sew the
first buttonhole seam at the
required
length
and the
first
bartack
• With “balance”
keys 5.
“-‘ or
—“, adapt
the
second huttonhole
seam to the first one
(Fig.
5).
• Press pattern start”
key
26
Afterwards program the
buttonhole as
described
on this page Make a
sample buttonhole
before
you sew
buttonholes
on a
garment.
Note:
If the buttonhole seams of
the stored but
tonhole
do not coincide, make another
correction
at
‘balance”
keys 5
Adapting the seam
lengths of stored button
holes
with the
balance keys, see page 84.
.
‘!iTJ
prog
()
x
x
.. .
3
Adapting
the buttonhole length
Note:
For sewing
buttonholes
on knitted or very
thin
materials we recommend
sewing foot No.
1 A
and dual feed.
If
the buttonhole
seams
do
not coincide,
press
“tie-off/buttonhole”
key 19
to
switch
from fully
automatic
to semi-automatic during
sewing:
one
segment flashes (Fig.
3)
and
you
can
determine
R
your own second
battack.
When key l9is pressed
again the buttonhole
pro
R
grammed
before is sewn
fully
automatically
and
the
segment does not
flash anymore
R
After
sewing, cut
the
buttonholes
open
(see
page 94).
-
S
-b
so
4
tLTT
i1ThTT
IIL.
I
‘°
22
8
7
°
h
I
TTJ
TJ
77[E
prog
“‘&&
A garment
may consist of different
numbers of
fabric plies,
e
g
the buttonhole strip
may
consist
of three plies
and the collar stand
of
six—owing
to
the folded
seam edge In this
case
it is necessary
to
program the
buttonhole for varying
numbers of
fabric plies in order
to
maintain
the
same button
hole length
as on
the three
ply buttonhole
strip
L
UI’
86
8