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4-6.
Thread
Tension
Adjustment
Set
the
balance
of
the
tension
as
weak
as
possible.
To
tighten
the
tension,
turn
tension
dial
to
a
higher
number.
To
loosen
the
tension,
turn
tension
dial
to
a
lower
number.
®
Left
needle
thread
tension
©
Right
needle
thread
tension
©
Upper
looper
thread
tension
©
Lower
looper
thread
tension
(1)
Correct
tension.
Lower
looper
thread
and
upper
thread
should
be
well
balanced
with
same
tension.
(Both
looper
threads
should
make
crosses
at
the
edge
of
the
fabric.)
Needle
thread
should
not
be
slacken,
or
pulled.
(2)
Unbalanced
upper
looper
thread
wraps
round
and
over
the
back:
Tighten
the
thread
tension
of
the
upper
looper
(Dial
©)or
loosen
the
thread
tension
of
the
lower
looper
(Dial
©).
N
7-
J
N
thread
Right
needle
thread
.Upper
looper
thread
Left
needle
thread
Right
Side
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