Adjusting Parameter Of Sub Thread Adjusting Device; How To Use Dual Tension - SunStar KM-1957-7 User Manual

4-11. Adjusting Parameter of Sub Thread Adjusting Device

- The default value of A-95 is "0".
Parameter No.
A-95
Thread adjusting device for 1 needle

4-12. How to Use Dual Tension

1. Main Thread Adjusting Device
- Adjust tension of the main thread adjusting device① in line with the main sewing material conditions.
- Adjust the main thread adjusting device① and the tension of the lower thread in order to create loops at the center of the
sewing material at even stitch length.
2. Sub Thread Adjusting Device
- Sub thread tension control assembly② is a device that users increase easily the upper thread tension depending on the materials
or the change of stepped pulley while stitching.
- The sub thread adjusting device② should be adjusted in line with the tension of the main thread adjusting device① and the
conditions of sewing materials with height difference.
3. Operating Main·Sub Thread Adjusting Devices
- The main·sub thread adjusting devices①, ② are run by pneumatic pressure. In particular, the sub thread adjusting device②
can be turned on and off easily with functional switches.
- If you press sub thread tension control button while stitching the lamp is turned on and the upper thread tension increases at the
same time. If you press the button again, the lamp is turned off and the upper thread tension decreases at the same time.
20
Set Value
0
Use the main thread adjusting device①. In order to run the sub thread adjusting device② while
using the main device, press the sub thread tension switch. Then with the lamp turned on, the dish
for the sub thread adjusting device② is closed.
After trimming, the sub thread tension switch is automatically turned off.
1
In the case where A-95's parameter is set at "1", the lamp of the sub thread tension switch is on,
and the sub thread adjusting device ② is running like the main thread adjusting device①.
In this case, even after trimming, the sub thread tension switch is not automatically turned off.
In order to release the tension of the sub thread adjusting device②, press the sub thread tension
switch to turn it off.
②
①
Function Name
②
①
Thread adjusting device for 2 needles
[ Figure 22 ]