Bernina 717 Manual - Page 27

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Buttonholes Buttonhole foot Needle: 80-70 Thread: 30 or 50 ffr, For sewing a buttonhole, thread bottom cotton through hole in finger of bobbin case. 1 23 f/// -P. 0 -19 0 21 Adjustment of the Buttonhole Two mechanical spring settings have been built-in for the buttonhole: one for zigzag 1,75 satin stitch for the beads of the buttonhole, the other for zigzag 18 3-3'/2 width for the bar tacks at each end of the buttonhole. By turning the zigzag knob slightly the spring settings can easily be felt. Zigzag 1,75 (Spring setting) Sewing the Buttonhole Set the required buttonhole length with the guide on the buttonhole foot. Move needle downwards to foot level and check that needle comes to middle of foot opening. If not do one stitch, turning handwheel by hand. But never change zigzag or needle position. 17 -20 1. Satin Stitch: Sew first bead of buttonhole to required length. Set needle in work in the middle of the foot. Lift foot. Turn work completely clockwise. Lower foot again. Needle Position: left 1. Bar Tack: Lift needle out of work. Set zigzag to approx. 3 width (using spring setting). Hold work firmly. Sew stitches for bar tack. 2. Satin Stitch: Lift needle out of work. Set zigzag back on to 1,75 (using spring setting) and sew satin stitch for second bead. 2. Bar Tack: Lift needle out of work. Adjust zigzag again to width approx. 3 (using spring setting). Hold work Set lever (20) for satin stitch at top po- firmly. Sew stitches for bar tack. sition and push stitch length lever (19) Finishing off: Set zigzag on 0 and sew a up to the stop. few stitches, still holding work firmly.

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Buttonholes
Buttonhole
foot
Needle:
80-70
Thread:
30
or
50
ffr
,
For
sewing
a
buttonhole,
thread
bottom
cotton
through
hole
in
finger
of
bobbin
case.
1
2
3
f///
18
-P.
17
0
0
-19
21
-20
Adjustment
of
the
Buttonhole
Two
mechanical
spring
settings
have
been
built-in
for
the
buttonhole:
one
for
zigzag
1,75
satin
stitch
for
the
beads
of
the
buttonhole,
the
other
for
zigzag
3-3'/2
width
for
the
bar
tacks
at
each
end
of
the
buttonhole.
By
turning
the
zigzag
knob
slightly
the
spring
settings
can
easily
be
felt.
Zigzag
1,75
(Spring
setting)
Needle
Position:
left
Sewing
the
Buttonhole
Set
the
required
buttonhole
length
with
the
guide
on
the
buttonhole
foot.
Move
needle
downwards
to
foot
level
and
check
that
needle
comes
to
middle
of
foot
opening.
If
not
do
one
stitch,
turning
handwheel
by
hand.
But
never
change
zigzag
or
needle
position.
1.
Satin
Stitch:
Sew
first
bead
of
button-
hole
to
required
length.
Set
needle
in
work
in
the
middle
of
the
foot.
Lift
foot.
Turn
work
completely
clock-
wise.
Lower
foot
again.
1.
Bar
Tack:
Lift
needle
out
of
work.
Set
zigzag
to
approx.
3
width
(using
spring
setting).
Hold
work
firmly.
Sew
stitches
for
bar
tack.
2.
Satin
Stitch:
Lift
needle
out
of
work.
Set
zigzag
back
on
to
1,75
(using
spring
setting)
and
sew
satin
stitch
for
second
bead.
2.
Bar
Tack:
Lift
needle
out
of
work.
Adjust
zigzag
again
to
width
approx.
3
(using
spring
setting).
Hold
work
Set
lever
(20)
for
satin
stitch
at
top
po-
firmly.
Sew
stitches
for
bar
tack.
sition
and
push
stitch
length
lever
(19)
Finishing
off:
Set
zigzag
on
0
and
sew
a
up
to
the
stop.
few
stitches,
still
holding
work
firmly.