Brother International BAS-411 Instruction Manual - English - Page 14

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Needle thread tension Correct sewing tension Upper stitch width Needle thread Bobbin thread Lower stitch width If the needle thread tension is too high, turn the dial counterclockwise. If the needle thread tension is too low, turn the dial clockwise. Adjust the tension dial so that the needle thread is pulled to the back of the material, and the lower switch width is about 1/3 of the upper stitch width. Bobbin thread tension Correct bobbin thread tension (20-30g) . © Use a tension gauge to adjust. Increase tension' 'ts Decrease tension Keep the machine clean and unclogged to prevent machine trouble. Keep the machine clean: Remove dirt with a soft, dry cloth. If necessary, clean with the detergent-soaked cloth, then wipe off the detergent with a cloth dampened with (hot) water. Caution: Do not clean with benzene, thinner, or other volatile solvents. -10-

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Needle
thread
tension
If
the
needle
thread
tension
is
too
high,
turn
the
dial
counterclockwise.
If
the
needle
thread
tension
is
too
low,
turn
the
dial
clockwise.
Bobbin
thread
tension
Correct
sewing
tension
Upper
stitch
width
Needle
thread
Bobbin
thread
Lower
stitch
width
Adjust
the
tension
dial
so
that
the
needle
thread
is
pul
led
to
the
back
of
the
material,
and
the
lower
switch
width
is
about
1/3
of
the
upper
stitch
width.
Correct
bobbin
thread
tension
(20-30g)
.
©
Use
a
tension
gauge
to
adjust.
'ts
Increase
tension'
Decrease
tension
Keep
the
machine
clean
and
unclogged
to
prevent
machine
trouble.
Keep
the
machine
clean:
Remove
dirt
with
a
soft,
dry
cloth.
If
necessary,
clean
with
the
detergent
-soaked
cloth,
then
wipe
off
the
detergent
with
a
cloth
dampened
with
(hot)
water.
Caution:
Do
not
clean
with
benzene,
thinner,
or
other
volati
le
solvents.
—10—