Operation Manual

Ii
22
dHd
unur
iFv
riemmer
and lower
same.
Make
3
to 4
straight
stitches
to
secure the
folded
edge in
place.
Draw
the
fabric
into
the
hemmer
by
pulling
both
threads
backwards,
as
shown
in
the
drawing.
Feed
the
fabric
edge
into
the
hemmer
scroll
w’th
your
right
band
(see
ill.),
making
sure
that
the
scroll
is well
filled
with
fabric
at
all
times
and the
fabric
does
not slip
sideways
under
the
right
half
of the
foot.
To
produce
an
elastic
hem
on
soft
fabrics.
use zigzag
stitches.
Set
the
stitch
width,
as
instructed
on
page
25.
Cording
Use
ordinary
sewing foot
No.
93-838 954-00,
and
insert
a
twin needle (which
can be ob
tained
from
your
Pfaff dealer).
Stitch length:
1.5 to 2.
Cording is made with
two needle threads.
When
threading
the needles, make sure
to
lead
each
thread
between
a separate
pair
of
tension
discs
(see
ill.).
To render
your
cording
more
prominent,
in
sert
a
filler
cord. Select the
twin needle
gauge
and the size of the filler
cord to suit
the
type of
material
used. The thicker the
fabric
the wider the
needle
gauge.
Lace the filler
cord through
the hole in the
needle
plate,
as
illustrated.
Hold
both needle threads
lightly
and
turn
the balance
wheel to draw up the bobbin
thread.
The
smallest
distance
between cording
seams
made with
the
ordinary
sewing
foot
is
approx.
inch. For narrower cording,
use one
of the
cording
feet
listed below.
To
make
different
size
cording,
the
follow
ing
twin
needles and cording
feet can
be
supplied
at extra
cost:
Twin
needles for
needle
distances of 1.2
(3
64”), 1.6
(1
“),
1.8.
2.0
(5/44),
2.5
(3/33),
3.0 and
4.0
(5.’32)
mm.
Cording foot No.
93-847 671-00,
with
3
grooves is
used
for
heavy
materials,
cording
foot No. 93-847 675-00
with 5
grooves
for medium-heavy
fabrics,
and
cording
foot No. 93-847 680-00
with
7
grooves
for lightweight materials.
Pfaff 79
Plaff 78
h
No.
93-487551-00
Stitch
length:
1.5
to
2
23