Setting the potentiometer
90 Service Instructions 1767 - 00.0 - 12/2016
The potentiometer is set at technician level t 10 04.
If the display indicates a different level:
4. Call up the technician level using the Plus/Minus buttons (3):
As the case may be, press the Plus or Minus button below the letter
or the number until the display indicates t1004.
5. Press the OK button (5).
Fig. 73: Setting the potentiometer (2)
6. Turn the adjusting wheel for the sewing foot stroke (6) to 3.
7. Loosen the threaded pin (7).
8. Turn the potentiometer axle such that the left display shows 4 in the
first instance and the relevant maximum speed next to it.
9. Tighten the threaded pin (7) without changing the value shown in the
display.
Important
Ensure that the potentiometer (8) is guided on the pin (9).
10. Press the ESC button 2 times.
Important
11. Switch off the machine
12. Switch on the machine.
Switching off and on will save the setting.
(6) - Adjusting wheel for sewing foot stroke
(7) - Threaded pin
(8) - Potentiometer
(9) - Pin
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