Sewing Machine - Brother
Sewing Machine - Brother
Sewing Machine - Brother
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Thread tension<br />
The thread tension will affect the quality of your<br />
stitches. You may need to adjust it when you change<br />
fabric or thread.<br />
Memo<br />
● We recommend that you do a test sample<br />
on scrap of a fabric before you start to sew.<br />
■ Correct tension<br />
Correct tension is important as too much or too<br />
little tension will weaken your seams or cause<br />
puckers on your fabric.<br />
1<br />
a Wrong side<br />
2<br />
b Surface<br />
c Upper thread<br />
d Lower thread<br />
3<br />
4<br />
■ Upper tension is too tight<br />
Loops will appear on the surface of the fabric.<br />
2<br />
Note<br />
● If the bobbin thread was incorrectly<br />
threaded, the upper thread may be too tight.<br />
In this case, refer to “Lower threading”<br />
(page 20) and rethread the bobbin thread.<br />
3<br />
1<br />
5<br />
4<br />
Solution<br />
Reduce the tension by turning the upper<br />
tension-control dial to a lower number.<br />
5<br />
4 3<br />
a Wrong side<br />
b Surface<br />
c Upper thread<br />
d Lower thread<br />
e Loops appear on<br />
surface of fabric<br />
Memo<br />
● When you finish sewing, remove the<br />
bobbin cover and then make sure that the<br />
thread is shown as below. If the thread is<br />
not shown as below, the thread is not<br />
inserted through the tension-adjusting<br />
spring of the bobbin case correctly. Reinsert<br />
the thread correctly. For details, refer to<br />
page 20, 21.<br />
■ Upper tension is too loose<br />
Loops appear on the wrong side of the fabric.<br />
2<br />
Note<br />
● If the upper thread was incorrectly<br />
threaded, the upper thread may be too<br />
loose. In this case, refer to “Upper<br />
threading” (page 23) and rethread the upper<br />
thread.<br />
3<br />
1<br />
4<br />
5<br />
Solution<br />
Increase the tension by turning the upper<br />
tension-control dial to a higher number.<br />
5<br />
4 3<br />
a Wrong side<br />
b Surface<br />
c Upper thread<br />
d Lower thread<br />
e Loops appear on<br />
wrong side of<br />
fabric<br />
41<br />
2