After a period of time, the sample tubing becomes plugged with suspended matter. The
tubing is flexible and difficult to clean mechanically. Plugged sample tubing is best
replaced.
Replacement tubing kits are available. See Table 12-2.
Reagent tubing is shown in Figure 12-3.
Replacing Reagent TubingFigure 12-3:
To replace reagent tubing:
Procedure
1.
Turn off sample and reagent pumps.
2. Luer fittings connect the reagent tubing to the pump. Disconnect the tubing by
turning the fitting in the direction of the arrows shown in Figure 12-5.
3. Disconnect the other end of the suction tubing from the barb on the reagent inlet
fitting in the bottom of the enclosure. Disconnect the other end of the discharge
tubing from the reagent injection tee.
4. Install the replacement tubing.
Note that the discharge tubing is longer than the suction tubing.
12.3.3 Replacing sample tubing
To replace sample tubing:
Sample tubing and tees are shown in Figure.
Maintenance
58 Rosemount TCL
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