Table of Contents
Advertisement
Software settings
17.9 Calibrating electrical thread tension
Sequence
Prerequisite: A thread scale is present and the calibration takes place with
a thread with yarn strength 120.
Calibration points
The following three calibration points must be set for the needle and looper
threads:
• Point 3 - Maximum tension (300 g)
• Point 2 - Medium tension (150 g)
• Point 1 - Minimum tension (5 g)
Calibration steps, needle thread
1. Set calibration point 3
1. Thread the thread up to the thread lever ( Operating Instructions,
2. Thread the thread after the thread lever into the thread scale.
3. Switch on the machine.
4. Select the menu Service > Service Calibrations > Thread
5. Measure the tension value. It must be 300 g.
Fig. 78: Calibrate the thread tension
(1) - Tensioning disks
(2) - Adjusting nut
If 300 g is not present, this must be corrected as follows:
6. Loosen threaded pin (3).
7. Open tensioner element. To this end, select any value for Tension Bot-
8. Turn the adjusting nut (2) very slightly. Turning clockwise reduces the
Service Instructions 610/630 - 00.0 - 10/2014
Thread needle thread)
Tension Calibration > Tension Top 300g.
Result: The left tension element is closed.
①
②
tom in the opened Calibration menu.
value, turning counterclockwise increases the tension value.
③
(3) - Threaded pin
83
Advertisement
Table of Contents
