Chain stitch sewing (One needle two threads double chain stitch); Needle and threading; Lightly tighten the screw at the unused needle- Page 16

Brother 2340CV User Manual

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14

Chain stitch sewing (One needle two threads double chain stitch)

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,
refer to “Needle” on page 7.

1

Center needle

IMPORTANT!!

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.
Threading” on page 9 to 10.
< Threading the center needle >
< Threading the looper >

Tension adjustments

(1) First, set each thread tension dial to the number

shown below.

A

Tension selection mark

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.

CAUTION

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

condition of the stitch.

Stitching direction

Left needle dial

(yellow)

Center needle dial

(pink)

2

Looper needle dial

(blue)

5

Right needle dial

( g r e e n )

1

A

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.

Detailed Information for Brother 2340CV User Manual

Lists of information found in Brother 2340CV User Manual - Page 16

  • 7. 1 Center needle IMPORTANT!! Lightly tighten the screw at the unused needle position, so it does not fall out while sewing.
  • 15.) (3) Adjust the tension of each thread according to the condition of the stitch.
  • For details on installing and removing the needle, refer to “Needle” on page 7.
  • For details on threading the machine, refer to “III.

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