White 1066 - Automatic Buttonholes; DETERMINE BUTTONHOLE LENGTH; SETTING MACHINE

18.
AUTOMATIC
BUTTONHOLES
A)
DTErM:’:E
CUTTONHOLE
LENGTH
.e
darneter
and thickness
of
button
and
add
0.3 Cm (1
/8’)
or r
tacks.
Mark
buttonhole
size on
material.
(Fig.
23)
SLTTING
MACHINE
e
the
r.eedie
to
its
highest
position
by turning
the
balance
wheel
towat
ds
you
and
replace
the
presser
foot
in
use
the
buttonhole
.jot
(Fig.
24)
Set
the
zigzag
width
control
to
0’.
3.
Lead
thread
passes
through
the slot
in
the
buttonhole
foot.
and then
to
the rear
as
for
normal
sewing.
t.
Completely
push
back
sliding
part
(a)
(Fig.
25)
of
buttonhole
foot.
5.
Place
material
under
foot
so
that
marking
of
buttonhole
passes
through
center
of
foot
and
arrow
(b)
(Fig.
25)
of
foot
indicates
beginning
line
of
marking.
marking
0.3cm(1/8)
thickness
Fig
23
Fig
25
—16—
Fig
24