KROHNE OPTISENS AAS 2000 EN - Manual (Page 14)

3
INSTALLATION
14
OPTISENS AAS 2000
www.krohne.com 12/2008 • MA AAS 2000 R01 en
Removing an old electrode (see figure above)
• Make sure automatic flushing is disabled. This can be checked at the MAC 080 converter in the
Cleaning Cleaning Cleaning Cleaning menu of the AAS 2000 sensor ( on page 22).
• If using the protection plate, pull it off before changing the electrode 1.
• Loosen the flushing head by turning it counterclockwise 2.
• Gently pull the flushing head out of the sensor housing 3
• Unplug the electrode 4.
• Remove the electrode from the flushing head by pressing firmly on the backside of the
electrode near the cable connector 5.
• Ensure that the O-ring that seals the flushing head is completely seated in the respective
groove in the sensor body.
• If a new electrode is to be mounted, please follow the previous instructions ("Installing a new
electrode").
Figure 3-4: Removing an old electrode
CAUTION!
Make sure the electrode housing is dry before removing the flushing head. Water may come in to
the housing when the flushing head is removed.
.book Page 14 Monday, December 15, 2008 12:43 PM