White 1810 - TWIN NEEDLE THREADING; Twin Needle Threading Instructions

26.
TWIN
NEEDLE
THREADING
Thread
in
the
same
way
as
normal
threading,
except
at
points
,
®
and
.
At
point
c,
pass
threads
separatly
to
right
and
left of
tension
disc.
At
guide
,
pass
one
of
threads
to
right
guide
and
the
other
at
left
guide.
At
point
,
thread from
right
guide should
be
lead
to
right
needle eye,
and
from
left guide
to
left
needle
eye.
Leave
ends of
threads
of
about
1
5
cm
(6’).
When
using twin
needle sewing
be
sure
zigzag
width
control
setting between
0
and
2.5,
and
needle
position
control
at
cj
. If
zigzag width
control
above 2.5 or
needle
position
control
at
D
,
this
will
cause
needle
break.
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