OERTLI OS 4 - Page 86

2021-03-23 / Rev. 10 VV016042 86
STEP 4:
5.
6.
Disconnect the tubes from the front
connectors:
- 1x orange
- 1x transparent
Remove the 2 screws that hold the
sensor unit in place.
When assembling the replace-
ment part, do not tighten the
screws at the beginning. Make
sure the sensor is at the correct
distance from the valve parts.
STEP 5:
8.
9.
Pull the complete module out of the
unit.
Disconnect the cable from the air
sensor.