THE
THREAD
TENSION
Weaker
Stronger
Adjusting
the
needle
thread
tension
Ideal
stitches
are
formed
when
the
needle
thread and the bobbin thread are perfectly
interlocked
at
the
center
of
the
cloth.
The tension of the needle thread is adjusted
by
the
thread
tension
nut.
1. Turn it to right to make the tensionstronger
and
to
the
left
to
make
it
weaker.
Thread take-up spring
* To change the moving range of the thread
tension spring:
1.
Loosen
the
screw
of
the
thread
tension
bracket.
2.
Rotate
the
thread
tension
bar.
» To change the strength
of
the thread take-
up spring.
1. Loosen the set screw, remove the thread
tension
bar.
2.
Loosen
the
thread
tension
bar
set
screw
and
adjust.
3.
When
the
thread
tension
bar
is
turned
to
right, the spring will get stronger and if
turned
to
left,
it will
get
weaker.
Thread
tension
bar
set
screw
'-'Thread
tension
nut
Ehread
take-up
springy
Movingrange
(Tl^ad
tension
bar
bracket
set
screw , / /
Adjusting screw
Thread
take-up spring
Adjusting
the
bobbin
thread
tension
Rotate
the
thread
tension screw
of
the
bobbin
case
to
adjust
the
bobbin
thread
tension.
1. Rotate it to right to make the bobbin
thread tension stronger and to left to make
it
weaker.
_ 7 -
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