Revised 09 /2005
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OPERATING INSTRUCTIONS
3.6
ADJUSTING THE NEEDLE THREAD TENSION
a) As you turn thread tension No. 1 nut
Ê
clockwise (in direction
) the thread
remaining on the needle after thread
trimming will be shorter.
As you turn nut
Ê
counterclockwise (in
direction
), the thread length will be
longer.
c) As you turn thread tension nut
Ë
clockwise( in direction
), the needle
thread tension will be increased.
As you turn nut
Ë
counterclockwise (in
direction
), the needle thread tension
will
be decreased.
3.7
ADJUST THE BOBBIN THREAD TENSION
As you turn tension adjust screw
Ì
clockwise
(in direction
), the bobbin thread tension
will be increased.
As you turn screw
Ì
counterclockwise (in
direction
), the bobbin thread tension will
be decreased.
3.8
ADJUSTING THE THREAD TAKE-UP STROKE
Carry out the following steps of procedure after the power switch has been turned OFF.
a) When sewing heavy-weight materials, move
thread guide
Ê
to the left (in direction
) to
increase the length of thread pulled out by the
thread take-up.
b) When sewing length-weight materials, move thread
guide
Ê
to the right (in direction
) to decrease
the length of thread pulled out by the thread take-up.
c) Normally, thread guide
Ê
is positioned in a way that
marker line
is aligned with the center of the
screw.