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Adjusting the needle thread tension
Service Instructions 911-210-10 - 00.0 - 06/2020
51
18. Press
ESC
and check that the tension disks (1) open easily.
19. Press
Kalibrierung 1 (Calibration 1)
and check the closure
of the tension disks.
20. Repeat the procedure for the 2
nd
thread tension.
10.4 Calibrating the thread tension plate
Fig. 37: Calibrating the thread tension plate
To calibrate the thread tension plate:
1.
Thread the needle thread 40/3 times and on to the thread lever (1).
2.
With
Kalibrierung 1 (Calibration 1)
selected, measure
the thread tension with a thread scale (2).
3.
Input the measured value into the control and confirm it with
OK
.
4.
Perform the measurement and input also for
Kalibrierung 2
(Calibration 2)
and
Kalibrierung 3 (Calibration 3)
.
Checking the calibration
1.
Input the percentage value = 50 in the
Fadenspannung (Thread
tension)
menu.
2.
Press the
Ein (On)
button to switch on the tension.
3.
Test the tension using a thread scale: Setpoint: 500 cN.
If necessary, other percentage values can be input.
4.
If variations greater than ±10 % are found: Set the thread tensions
once again and repeat the calibration.
5.
If the variations persist: Clean any dirt from the thread tensions
including the magnets.
(1)
- Thread lever
(2)
- Thread scale
①
②
Содержание 991-210-10 Series
Страница 1: ...911 210 10 Service Instructions...
Страница 10: ...About these instructions 8 Service Instructions 911 210 10 00 0 06 2020...
Страница 136: ...Decommissioning 134 Service Instructions 911 210 10 00 0 06 2020...
Страница 138: ...Disposal 136 Service Instructions 911 210 10 00 0 06 2020...
Страница 146: ...Troubleshooting 144 Service Instructions 911 210 10 00 0 06 2020...
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