Brother 2340CV Manuale operativo - Pagina 16
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Chain stitch sewing (One needle two threads double chain stitch)
A
1
14
Use two threads. The center needle thread and looper
thread.
Use: For straight stitching, basting and decorative chain stitch.
Needle and threading
• For details on installing and removing the needle,
Lightly tighten the screw at the unused needle
position, so it does not fall out while sewing.
• For details on threading the machine, refer to "III.
Tension adjustments
(1) First, set each thread tension dial to the number
Make sure that the thread is properly seated in
the tension discs by holding the tension release
button to the right while passing the thread
through the tension discs.
(2) Sew a test stitch. (Refer to "V. Sewing" on page 15.)
(3) Adjust the tension of each thread according to the
Balanced tension
The needle thread sews a straight seam on the top
side and the looper thread forms loops on the under
side of the fabric.
Stitching direction
Needle thread is too loose
Turn the needle thread adjusting dial to a higher
number. Or turn the looper adjusting dial to a lower
number for looser tension.
Needle thread is too tight
Turn the needle thread adjusting dial to a lower
number. Or turn the looper adjusting dial to a higher
number for tighter tension.
refer to "Needle" on page 7.
1 Center needle
IMPORTANT!!
Threading" on page 9 to 10.
< Threading the center needle >
< Threading the looper >
shown below.
A Tension selection mark
Left needle dial
(yellow)
–
Right needle dial
(green)
–
CAUTION
condition of the stitch.
Center needle dial
(pink)
2
Looper needle dial
(blue)
5