Bernina 810 Manual - Page 28

Buttonholes

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Buttonhole foot 033 Needle: 80-70 Thread: 30 or 50 For sewing a buttonhole, thread bottom cotton through hole in finger of bobbin case. Buttonholes 0 123 4 0 123 4 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,/, width for the bar tacks at each 18 end of the buttonhole. By turning the zigzag knob slightly the spring settings can easily be felt. Sewing the Buttonhole Zigzag 1,75 (Spring setting) Mark desired buttonhole length on material. 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 toot opening. If not do one stitch. turning handwheel by hand. But never change zigzag or needle position. 1 2 34- 17 lo 1. Satin Stitch: Sew first bead of buttonhole to required length. Set needle in work in the middle of the fool. 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 The buttonhole satin stitch spacing can stitches for bar tack. be accurately set with the stitch length adjusting knob (19). 2. Satin Stitch: Lift needle out of work. Turn knob (19) clockwise to the right Set zigzag back on to 1,75 (using until it stops. The marking line on the spring setting) and sew satin stitch knob is vertical (stitch length = 0). for second bead. Then you can set the satin stitch spac- 2. Bar Tack: Lift needle out of work. ing - depending on material and Adjust zigzag again to width approx. thread - by turning knob (19) to the 3 (using spring setting). Hold work left. firmly. Sew stitches for bar tack. It Is best to check the satin stitch spac- ing on a piece of spare material before Finishing off. Set zigzag on 0 and sew a starting to sew. few stitches, still holding work firmly. 27

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Buttonholes
Buttonhole
foot
033
Needle:
80-70
Thread:
30
or
50
For
sewing
a
buttonhole,
thread
bottom
cotton
through
hole
in
finger
of
bobbin
case.
0
1
2
3
4
18
0
1
2
3
4
1
2
•••••
3-
4-
17
lo
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
,
/,
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
The
buttonhole
satin
stitch
spacing
can
be
accurately
set
with
the
stitch
length
adjusting
knob
(19).
Turn
knob
(19)
clockwise
to
the
right
until
it
stops.
The
marking
line
on
the
knob
is
vertical
(stitch
length
=
0).
Then
you
can
set
the
satin
stitch
spac-
ing
—
depending
on
material
and
thread
—
by
turning
knob
(19)
to
the
left.
It
Is
best
to
check
the
satin
stitch
spac-
ing
on
a
piece
of
spare
material
before
starting
to
sew.
Sewing
the
Buttonhole
Mark
desired
buttonhole
length
on
ma-
terial.
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
toot
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
fool.
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
firmly.
Sew
stitches
for
bar
tack.
Finishing
off
.
Set
zigzag
on
0
and
sew
a
few
stitches,
still
holding
work
firmly.
27