Operation Manual – TEXI 781 SERVO
2
Screw in the adjusting screw 4, the reinforcement width will increase, and the screw-out
will decrease.
3
The amplitude adjustment link 5, the number shown, indicates the width of the
reinforcement amplitude.
2.
Adjustment of the tension opening time
First tension
The first tension is opened only when the machine is stopped, and the opening amount is
0.5~1mm, and the height of the first tension is moved up and down to adjust.
Second tension
The second tensioner is opened in the reinforcement part of the serrated seam and a few needles
after the sewing is completed, and the opening amount is 0.5~1 mm. When adjusting, loosen the
set screw and adjust the position of the gripper to adjust.
The first loose wire bump and the second loose wire bump on the main cam are rotated in the
direction of the arrow to speed up. The opposite is slow.
3.
Adjustment of the wiper
When the machine stops, the threaded wipe will loosen the upper thread by 5~7mm, which can
prevent the off-line phenomenon when starting the seam. When the thread is removed, the amount
of the thread will increase. When adjusting, do not touch the first tension and through the hole.
4.
Adjustment of thread adjustment hook
The amount of thread supply is adjusted according to the thickness of the sewn product, so that
the stitches to be sewn will become better, the amount of thread adjustment hooks will increase
to the left, and the amount of movement to the right will decrease.
5.
Lower thread
lever adjustment
Adjust the length of the lower thread required to start sewing. The length of the lower thread is
about 36mm. When adjusting, loosen the fixing screw of the lower thread lever to change the
installation angle of the lower thread lever.
