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DOUBLE
NEEDLE
When
using
double
needle
do
not
set
stitch
width
higher
than
2½ setting.
28
1. SETTING T HEDOUBLE NEEDLE
Raise
the
needle
bar
to its
highest
position
and
loosen
needle
clamp
screw.
Hold
double
needle
assembly
with
flat side
away
from
you.
Slip
the
needle
as
far
as
it
will
go
into
needle
clamp,
and
tighten
the
screw.
2. THREADING
THEDOUBLE NEEDLE
Place
a spool
of thread
on
each
spool
pin.
Draw
both
threads
through
upper
thread
guides.
Pass
a thread
between
each
set
of
tension
dis_:s
of
the
thread
tension
assembly.
Continue
threading
as you
would
for
single
needle
sewing
except
where
double
thread
guides
are
provided.
Draw
one
thread
through
each
side
of the
double
thread
guides
and
through
each
needle
from
front
to
back.
Pull
several
inches
of
thread
through.
Thread
bobbin
and
pick
up bobbin
thread
as for
single
needle
sewing.
3. THREAD SELECTION
Use
only
mercerized
sewing
thread
size
50 or
finer.
The
same
size
thread
is recommended
for
both
upper
and
lower
thread-
ing.
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