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Adjusting The Thread Tension; Adjusting The Upper Thread Tension; Adjusting The Tension Of The Bobbin Thread - Brother Quattro 2 6700D Operation Manual

Embroidery and sewing machine.
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After sewing trial stitches and checking the sewing results, adjust the thread tensions if necessary. After adjusting the
tensions, be sure to sew trial stitches again in order to check the sewing results.

■ Adjusting the upper thread tension

We recommend a setting between 6 and 8 for the upper
thread tension.
If utility stitches are being used, refer to "Setting the
Thread Tension" on page 79. If embroidery patterns are
being used, refer to "Adjusting Thread Tension" on
page 233.
■ Adjusting the tension of the bobbin
If the desired stitching cannot be achieved after
adjusting the upper thread tension, adjust the tension of
the bobbin thread. The tension of the bobbin thread can
be adjusted by turning the slotted-head (–) screw on the
bobbin case (gray) for bobbin work.
a Do not turn the phillips screw (+).
b Adjust with a small screwdriver.
To increase the tension of the bobbin thread, turn the
slotted-head (–) screw 30° to 45° clockwise.
To decrease the tension of the bobbin thread, turn the
slotted-head (–) screw 30° to 45° counterclockwise.
• Turning the screw on the bobbin case (gray)
may push up the spring plate, as shown
If this occurs, gently press down the spring
plate with a screwdriver so it is lower than
the top surface of the bobbin case (gray),
and then insert the bobbin case into the
a Spring plate
• DO NOT adjust the position of the phillips (+)
screw on the bobbin case (gray) as this may result in
damage to the bobbin case, rendering it useless.
• If the slotted 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.
• If the bobbin thread tension is tight, the
thread cannot be passed through the
tension spring when the bobbin is installed
in the bobbin case. (Refer to "When tension
is not applied to the bobbin thread" on
page 312.)


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  • handyman0031 Jan 03, 2015 10:26:
    please provide a part number for the zigzag embroidery plate,it's included with the 6700 D, however no part number is referenced anywhere in the stupid manual, and there is no item anywhere to replace it? After spending 10 K you think you could put a part number in a book so I can reorder one? my machine jammed and this one has a huge bur on it that cannot be worked out :-(