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For
switching
from
3-thread
overedging
to
2-thread
overedging,
follow the
instructions
below:
(1) Turn the
flywheel clockwise
to
bring
the
needle
to
the
lowest
position.
(2)
Cut the
upper looper thread as shown
in
Figure
19. Roll
up
the
end
of the
live thread
to
be
stopped
at the
upper
looper
thread
tension
adjuster,
as
shown
in
Figure 20.
.
Position
of
thread
tension
adjuster
knob
When
you
carry
out
3-thread
overedging,
the
bottom
line
of
each
tension
adjuster
knob
should
be
ranged
within
the
blue
strip
zone.
First,
match
the
bottom
line
with
the center
of
the
blue
strip
zone
as
standard
position.
2-4
Switching
from
3-thread overedging
to
2-thread overedging
Bottom
line
Tension
adjuster knob
(Figure
181
(Figure
19)
Roll
up
to
stop
(Figure 2Ol
9
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