27.
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THREAD
TENSION
RELEASE
RELEASING
MECHANISM
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WARNING:
A
Turn
OFF
the
power
before
starting
the
work
so
as
to
prevent
accidents caused
by
abrupt
start
of
the
sewing machine.
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By
means of the thread tension release releasing mechanism , sewing can be prerformed without slackening the
needle thread tension even when the presser foot is lifted during sewing.
(Even when the presser foot is s
li
ghtly lifted at the thick overlapped section by the knee lifter . this mechanism
can prevent the thread tension from being changed.
(1) How to release
I) Remove the cap in the machine head and loosen thread tension release changeover screw (Dusing a
he
xagon
wrench.
2) Fix screw
(Don the top
of
thread tension release changover plate
Q).
The thread tension disk does not rise even
when the presser foot it lifted, and the needle thread tension is not loosend. (The thread tension disk rises only
when thread trimming is performed.)
(Caution)
Do
not
use screw
CD
at
any
position
other
than
the
top
or
bottom
position
of
the
thread
tension
release changeover plate.
*
The
screw has been factory-set
to
the
bottom
posititon
at
the
time
of
deliver
y.
- 26 -
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