Buttonhole Sensor - Bernina activa 125 Service Manual

Replacing the S-print
Disassembly:
1) Remove the covers.
2) Remove the 4 screws 16.
3) Exchange the S-Print.
16
16
Exchanging the buttonhole sensor
Disassembly:
1) Remove all the covers.
2) Remove the upper tension unit (page 30).
3) Remove the buttonhole sensor 17 with a screwdriver,
pressing against the clip and the holder.
4) Turn the sensor towards the front and remove.
5) Exchange the sensor.
Assembly:
1) Fit the sensor in the positioning bore and position
against the head plate.
2) Place lifter lever downwards and by using the clip
press firmly down.
3) Place the ribbon cable so that it doesn't come into
conflict with any moveable parts.
4) Refit the cover.
5) Recalibrate the buttonhole sensor (see page 14).
6) Carry out functional inspection.
7) Sew-off.
Assembly:
1) Fit the new S-Print in the front cover.
2) Secure with 4 screws.
3) Assemble the front cover.
4) Inspect the configuration (page 11).
5) Carry out a speed calibration (test No. 6) and
balance (test No. 2).
6) Carry out a functional inspection.
7) Sew-off.
16
16
25
17