22
Adjusting Thread Tension
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.
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 ow out of the Bobbin without
lifting the Bobbin o 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 ows out of the bobbin on its side but does not pull the Bob-
bin vertical the tension is too loose and will need to be tightened.
2. To adjust the bobbin tension, locate the larger
of the two screws on the bobbin case. Tighten
the tension in minute adjustments by twisting the
large screw to the right or clockwise. To loosen,
twist the large screw to the left or counterclock-
wise in small increments.
3. Adjust the top thread tension after the bob-
bin 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.
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
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