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A-96.250.631 / 280219
AMI Codes-II TC
Maintenance
3
Install the constant head tube [C] onto the flow cell block.
4
Put the cover onto the constant head tube.
5
Align the overflow tube with the upper level mark.
6.9.
Maintenance of pH sensor
Clean
pH sensor
1
Remove the pH sensor [B] from the flow cell.
2
Unscrew and remove the connector [A] from the pH sensor.
Prevent the connectors from getting wet
3
If necessary wipe the pH sensor shaft and the green tip cau-
tiously with a soft, clean, and damp paper tissue.
4
Remove grease with a tissue moistened with alcohol.
5
If the sensor is very dirty put it into 1% diluted hydrochloric acid
for 1 min.
CAUTION! hydrochloric acid is corrosive!
6
Rinse the pH sensor with clean water.
A
B
C
D
Connector
pH sensor shaft
Flow cell cover
Flow cell
A
B
C
D
