Brother 2340CV - Manual (Page 9)

Chain stitch sewing (One needie two threads doubie 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.
©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.
©Tension selection mark
Left needle dial
(yellow)
Center needle dial
(pink)
- 2
Right needle dial
(green)
Looper needle dial
(blue)
- 5
----------------------------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.
^ 1
Balanced tension
A The needle thread sews a straight seam on the top
1 side and the looper thread forms loops on the under
Stitching direction side of the fabric.
/ 1
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.
14
V. Sewing
Sewing flat fabric (for example, trial sewing)
(1) Raise the presser foot, and then place the fabric at the
needle drop position.
(2) Lowerthe presserfoot, turn the handwheel toward you
a few times by hand, and then lightly step on the foot
controller to start sewing.
NOTE:
When starting to sew or after changing the thread, in order
for the needle thread to be on top of the presser foot, sew
with it positioned under the presser foot when you begin
sewing. If necessary, turn the handwheel toward you a few
times by hand, and then cut the thread as shown in the
illustration.
NOTE
Removing the fabric from the machine
\— r-^
(1)By hand, turn the handwheel toward you until the
needle is at its highest position.
©This is where the needle is at its highest position.
(2) Raise the presser foot.
15