1. Set the bobbin case, with the bobbin inside, in
your hand on its side and pull up on the thread.
The thread should pull the bobbin case vertical and
the thread should flow out of the bobbin without
lifting the bobbin off of your hand. If the bobbin
pulls out of your hand, the tension is too tight and
will need to be loosened. If the thread flows out of
the bobbin on its side but does not pull the bobbin
vertical the tension is too loose and will need to be
tightened.
3.
Adjust the top thread tension after the
bobbin tension is established.
Start with
the knob loosened so that none of the screw is
showing, then slowly increase the tension until the
thread tension is balanced and the thread knots in
the middle layers of your fabric.
2. To adjust the bobbin tension, locate the larger
of the two screws on the bobbin case. Increase
the tension in minute adjustments by turning the
large screw to the right (clockwise). Decrease
the tension by turning the large screw to the left
(counter-clockwise) minutely.
Note:
The thread tension will need to be adjusted
anytime the thread is changed. Follow the process
below to adjust the thread tension for the thread
you have selected.
18
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Section Title
Subtitle
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Setup & Assembly
Adjusting Thread Tension
When the thread
is pulled The
bobbin will turn
clockwise.
Turn the screw clockwise to
increase bobbin tension and
counter-clockwise to decrease
bobbin tension
Turn the knob clockwise to
increase bobbin tension and
counter-clockwise to decrease
bobbin tension