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Waste Pump
Roller Cage
Platen
Tubing
Tubing Cuff
Sample Pump
a. Perform the appropriate step.
sample pump tubing tubing from both connectors at position 4 on the
reagent manifold.
waste pump tubing tubing from both connectors at position 5 on the
reagent manifold.
CO-ox pump tubing
sample and waste tubing with two-way
connectors from the CO-ox pump as shown in
Figure 3-24.
3. Replace the reagent pump tubing as shown in Figure 3-23:
a. Select the replacement tubing that has the tubing collar.
b. Grasp the left tubing cuff and pull it away from the platen.
c. While holding the tubing, turn the roller cage clockwise and gently pull the
tubing away from the platen and the roller cage.
d. Discard the tubing according to your laboratory protocol.
e. Hold the new tubing assembly with the tubing in front.