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EMBROIDERY
Adjusting the bobbin thread
tension
The bobbin case installed in this machine can be
adjusted, if necessary, to accommodate the bobbin
tension for embroidering.
Using a small slotted screwdriver, turn the slotted-
head (-) screw to adjust the bobbin case tension.
2
a Do not turn a phillips screw (+).
b Adjust with a screwdriver (small).
■ Correct thread tension
The thread tension is correct when upper thread
slightly appears on the wrong side of fabric.
a
a Right side of fabric
b Wrong side of fabric
■ Bobbin thread is too tight
Upper thread on the right side of fabric seems to
be lifting/looping and bobbin thread is not seen on
the wrong side of fabric.
a
a Right side of fabric
b Wrong side of fabric
If this occurs, turn the slotted-head screw (-)
counterclockwise being careful not to over-loosen
the screw, approximately 30-45 degrees to
decrease bobbin tension.
64
1
b
b
■ Bobbin thread is too loose
Bobbin thread appears slightly on the right side of
fabric.
a
a Right side of fabric
b Wrong side of fabric
If this occurs, turn the slotted-head screw (-)
clockwise, being careful not to over-tighten the
screw, approximately 30-45 degrees to increase
bobbin tension.
CAUTION
● When adjusting the bobbin case, be sure
to remove the bobbin from the bobbin
case.
● DO NOT adjust the position of the
Phillips (+) screw on the bobbin case as
this may result in damage to the bobbin
case, rendering it unusable.
● If the slotted-head screw (-) is difficult to
turn, do not use force. Turning the screw
too much or providing force in either
(rotational) direction may cause damage
to the bobbin case. Should damage occur,
the bobbin case may not maintain proper
tension.
b
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