Brother International BAS-416A Instruction Manual - English - Page 23

Thread, tension

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4-4. Thread tension ■ Needle thread tension O 0' IC) Correct sewing tension Upper stitch width Needle thread 70- 130 g 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 stitch width is about 1/3 of the upper stitch width. Adjusting the spring * The standard operation range of the thread take-up spring is about 6 - 8 mm. The standard tension at this time is about 0.07 N - 0.12 N (7 gf - 12 gf). * To adjust the operation range of the thread take-up spring, loosen the screw 0, and turn the upper thread tension assembly. * To adjust the tension of the thread take-up spring, fit a screwdriver into the slot, and turn the tension stud @ as appropriate. 0 6-8mm 0.07N-0.12N agf-1290 ■ Bobbin thread tension Correct bobbin thread tension (15-25g) " Use a tension gauge to adjust. Increase tension 1st Decrease tension BAS-416A• BES-1210AC 13

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4-4.
Thread
tension
■
Needle
thread
tension
0'
70-
130
g
O
IC)
Correct
sewing
tension
Upper
stitch
width
Needle
thread
Bobbin
thread
Lower
stitch
width
If
the
needle
thread
tension
is
too
high,
turn
the
dial
Adjust
the
tension
dial
so
that
the
needle
thread
is
counterclockwise.
pulled
to
the
back
of
the
material,
and
the
lower
If
the
needle
thread
tension
is
too
low,
turn
the
dial
stitch
width
is
about
1/3
of
the
upper
stitch
width.
clockwise.
Adjusting
the
spring
*
The
standard
operation
range
of
the
thread
take-up
spring
is
about
6
-
8
mm.
The
standard
tension
at
this
time
is
about
0.07
N
-
0.12
N
(7
gf
-
12
gf).
*
To
adjust
the
operation
range
of
the
thread
take-up
spring,
loosen
the
screw
0,
and
turn
the
upper
thread
tension
assembly.
*
To
adjust
the
tension
of
the
thread
take-up
spring,
fit
a
screwdriver
into
the
slot,
and
turn
the
tension
stud
@
as
appropriate.
0
6-8mm
0.07N
-0.12N
agf-1290
■
Bobbin
thread
tension
Correct
bobbin
thread
tension
(15-25g)
"
Use
a
tension
gauge
to
adjust.
Increase
tension
1
st
Decrease
tension
BAS
-416A•
BES-1210AC
13