Texi Catenaccio User Manual

53
TEXI Catenaccio operation manual
Trouble Cause Corrective measures
3. The needle
often breaks
(1) The needle is bent.
(2) The needle hits the work clamp foot.
(3) The needle is too thin for the material.
(4) the driver excessively bends the nee-
dle.
(5) Needle thread is stepped on by the
work clamp foot at the start of sewing
(Needle bend)
 Replace the bent needle.
 Correct the position of the work clamp foot.
 Replace it with a thicker needle according to the
material.
 Correctly position the needle caaording to the
material.
 Widen the distance between the needle and the
wiper (23 to 25mm)
4. Threads are
not trimmed
(1) The counter knife is dull.
(2) The difference in level between the
needle hole guide and the counter knife is
not enough.
(3) The moving knife has been improperly
positioned.
(4) The last stitch is skipped.
(5) Bobbin thread tension is too low.
 Replace the counter knife.
 Increase the bend of the counter knife.
 Correct the position of the moving knife.
 Correct the timing between the needle and the
shuttle.
 In crease the bobbin thread tension.
5. Stitch
skipping often
occurs
(1) The motions of the needle and shuttle
are not properly synchronized.
(2) The clearance between the needle and
shuttle is too large.
(3) The needle is bent.
(4) The driver excessively bends the nee-
dle.
 Correct the positions of the needle and shuttle.
 Correct the positions of the needle and shuttle.
 Replace the bent needle.
 Correctly position the driver.
6. The needle
thread comes
out on the
wrong side of
the material
(1) the needle thread tension is not high
enough.
(2) The tension release mechanism fails to
work properly.
(3) The needle thread after thread trimming
is too long.
(4) Number of stitches is too few.
(5) When sewing length is short(End of
needle thread protrudes on the wrong side
of sewing product.)
(6) Number of stitches is too few.
 Increase the needle thread tension.
 Check whether or not the tension disc No.2 is
released during bar-tracking.
 Increase the tension of the thread tension controller
No.1.
 Correct the position of the moving knife.
 Turn OFF the thread clamp.
 Turn OFF the thread clamp.
 Use the lower plate,the hole of which is larger than
the presser.
7. Threads
break at time
of thread
trimming
(1) The moving knife has been improperly
position.
 Correct the position of the moving knife.
8. The thread
clamp is en-
tangled with
needle thread
(1) The needle thread at the sewing start is
too long.
 Tighten thread tension controller No.1 and make the
length of needle thread 33 to 36mm.
9. Uneven
length of the
needle thread
(1) The tension of thread take-up spring is
too low.
 Increase the tension of the thread take-up spring.
10. The length
of needle
thread does
not become
short
(1) The tension of thread tension controller
No.1 is too low.
(2) The tension of thread take-up spring is
too high.
(3)The tension of thread take –up spring is
too low and motion is unstable.
 Increase the tension of thread tension controller
No.1.
 Decrease the tension of thread take-up spring.
 Increase the tension of thread take-up spring and
lengthen the stroke as well.
11. Knotting
section of bob-
bin thread at
2nd stitch at
sewing start
appears on
the right side.
(1) Idling of bobbin is large.
(2) The bobbin thread tension is too low.
(3) The needle thread tension at 1 st stitch
is high.
 Adjust the position of the moving knife.
 Increase the bobbin thread tension.
 Decrease the needle thread tension at 1 st stitch.
 Turn OFF the thread clamp.

Texi Catenaccio Specifications

General

Brand	Texi
Model	Catenaccio
Category	Sewing Machine
Language	English