Maintenance
Oxymax W COS61
22
Hauser
7.1.1
Cleaning the optics
The optics only need to be cleaned if medium has penetrated through a defective fluorescence cap.
To clean it, proceed as follows:
1.
Unscrew the protection guard and fluorescence cap from the sensor head.
2.
Carefully clean the optical surface with a soft cloth until the buildup is fully removed.
3.
Clean the optics with drinking or distilled water.
4.
Clean the optics and screw on a new fluorescence cap.
"
Caution!
The optical surface may not be scratched or damaged in any way!
7.2
Regenerating
7.2.1
Replacing the sealing ring
Replacing the sealing ring is only necessary when it is visibly damaged. For replacement, use only
original sealing rings.
7.2.2
Changing the fluorescence cap
Removing the old fluorescence cap
1.
Remove the sensor from the medium.
2.
Unscrew the protection guard.
3.
Clean the outside of the sensor.
4.
Unscrew the fluorescence cap.
5.
Clean and dry the optical surface if necessary.
Installing the new fluorescence cap
6.
Make sure that there are no dirt particles on the sealing surface.
7.
Carefully screw the fluorescence cap onto the sensor head
until the stop
.
8.
Screw the protection guard back on.
!
Note!
After replacing the fluorescence cap, the sensor must be recalibrated. Then insert the sensor into
the medium and check that no alarm is displayed on the transmitter.
