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Sewing thread: Embroidery and darning thread
Generally buttonhole s are sewn onto double
material In spite of this, a piece of paper should
be placed underneath during sewing. First draw
the spacings and the distance from the edge This
point always marks the beginning of sewing
Ten buttonhole lengths are stored in the compu
ter. from 7,0 to 16 mm.
On program selection a programme d buttonhole
length of 14 mm and a buttonhole width of 4 mm
appear in the display. Select the length of the but
tonhole using stitch length keys 7 (Fig. 1) The
machine will automatically sew the selected but
tonhole
Before beginning the buttonhole pull the runner
of the buttonhole foot fully to the front.
For the following buttonhole s it is best to lift the
fabric a httle in order not to affect teeding The
sewing speed should always be the same
If a buttonhole does not turn out well, cancel it by
pressing "pattern start" key 26 and sew it again
For every type of fabric, the correspond ing but
tonhole width can be determined up to 5.5 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 (Fg 5) A buttonhole width of 4mm is stored
Example'
If the left seam is too short
tFig. 4a)
Select balance 4-1 to
4-3 with key, or more if
required.
If the left seam is too long
(Fig 4b)
Select balance —1 to —2 with key, or more if
required.
• Sew the first buttonhole seam at the required
length and
• the first bartack.
• Press balance keys 5,
"-f'
or"
",
and adjust the
second buttonhole seam length to the first one
(Figs. 4a, 4b).
• Sew last bartack.
The change made in this way will be main
tained for the following buttonhole s.
(semi-auto matic)
If you wish to determine the second bartack in a
programme d buttonhole , press "tie off/button
hole" key 19 (Fig. 2) A dash flashes in display 21
(Fig 3) at the right of program 18. The machine
now sews slowly just before the end of the second
seam. When both seams are the same length,
press key 19 again. The bartack is now sewn and
tied off (Fig. 2).
This sewing sequence can also be applied for fully
automatic buttonhole s when the two buttonhole
seams are not the same length anymore
If you wish to sew the next buttonhole fully auto
matically, press key 19 again (Same sewing se
quence as described on page 78) The flashing
dash will then have disappeare d.
Note:
If you interrupt sewing at the reduced sewing
speed by releasing the foot control, the machine
will return to the normal speed when you start
sewing again.
After
sewing,
cut
the
buttonhole s
open
(see page 94).
IuI I
287O O
(fully automatic)
prog
4-0
0
preg
--
18
j
A
Wilh "balance" keys 5 the left buttonhole seam
—3+
5
length can be adapted to the ught one
Sew a sample buttonhole first.
2
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