Brother BAS-320 User Manual

IT] Thread tension
1. Bobbin thread tension
* The bobbin thread tension should be adjusted so
that the bobbin will not descend of its own weight
when the suspended by the bobbin thread. Turn
adjustment screw 0 to adjust.
3. Thread
take-up spring height
To adjust the height of the thread take-up spring,
loosen set screw 8 and turn the entire adjustment
unit.
2. Upper thread tension
Turn the thread tension control nut f) to adjust the
upper thread tension to the material being sewn.
Adjust thread tension control nut 0 so that the
th~ead remainder is between 30 to 40 mm.
4. Thread take-up spring tension
Adjust the thread take-up spring tension by turning
the tension stud 0 with a screwdriver.
Also, slide the adjustment unit in or out so that the tension disc opens approximately 1.5 mm after the final
stitch.
5. Upper thread tension release timing
Loosen set screw 0 and adjust the position ot'the
upper thread tension release lever 8 so that the
tension on the upper thread is released when the
thread take-up lever 0 is completely lowered at the
end of a stitch.
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From the library of: Superior Sewing Machine & Supply LLC

Brother BAS-320 Specifications

General

Brand	Brother
Model	BAS-320
Category	Sewing Machine
Language	English