MODEL TCL

SECTION 10

 

MAINTENANCE

To replace sample tubing:

1.Sample tubing is shown in Figure 10-4.

2.Turn off the sample and reagent pumps.

3.Luer fittings connect the sample tubing to the pump. Disconnect the tubing by turning the fitting in the direction of the arrows shown in Figure 10-5.

4.Disconnect the other end of the sample pump suction tubing from the overflow sampler. Pull the reagent injection tube off the reagent injection tee.

5.Disconnect the other end of the sample pump discharge tubing from the flow cell. Pull the air injection tube off the air injection tee.

6.Disconnect the sample inlet and drain tubing.

7.Install the replacement sample pump suction and discharge tubing assemblies. The assemblies look similar. To tell the difference, note the air injection tee in the discharge tubing assembly has a larger diameter barb than the reagent injection tee in the suction tubing assembly.

8.Install replacement sample inlet and drain tubing. The sample inlet tubing is longer than the drain tubing.

FIGURE 10-4. Replacing Sample Tubing

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Emerson TCL instruction manual Replacing Sample Tubing
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TCL specifications

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