Adjustment
Upper shaft rotation shutter angle adjustment
1. Start the test mode.
2. Select test mode "22". (NP sensor mode)
3. Turn the pulley to raise the needle bar to the limit.
4. Loosen the screws securing the upper shaft rotation shutter.
±
5. Turn the pulley to lower the needle bar 1.3mm
0.1mm
6. Rotate the upper shaft rotation shutter in the shaft rotation direction, and secure the rotation shutter at the position
the buzzer stops (position the shutter at the far right enters the sensor).
1.2 - 1.4mm
4 - 5