3Ć73
Maintaining the System
5. Fill the KCl reservoir in the new sensor:
a. Remove the reservoir cap with the hex tool and set it aside as shown in
Figure 3-45.
Hex Tool
OĆring
OĆring
Sample Path
KCI Reservoir
Vent Hole
b. Partially fill the KCl reservoir as shown in Figure 3-46.
4M KCl Fill Solution
Fill Line
OĆring
OĆring
c. Tap the front face of the sensor with your knuckle to release any bubbles.
d. Gradually fill the KCl reservoir with KCl fill solution to the fill line.