5. Install a sample filter (Y-strainer) and a shut-off valve as follows:
a. Plumb a sample filter in the black tubing between the check valve and the sample source.
b. (Optional) If the analyzer is not near the sample source, install a shut-off valve near the
analyzer. Plumb the shut-off valve in the black tubing between the sample filter and the
sample source.
6. Gently pull on the tubing at each tubing connection to make sure that the tubing is held securely.
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