Heath-consultants Hi Flow Sampler Manual de usuario descargar pdf (Pagina 47)

Hi Flow



Sampler Maintenance

Instruction 0055-9017 47

4.4.2 Leak-Gas Sensor Filter

The leak-gas sensor filter is located inside the flow block of the leak-gas sensor

assembly. See Figure 4-4.

Equipment Required:

• Medium Phillips Head Screwdriver

• Replacement Filter (P/N 0055-0045)

Procedure:

1. Remove the cover per Section 4.3.

2. Remove tubing from inlet of sensor assembly.

3. Unscrew the filter chamber’s gas inlet fitting; then pull out old filter and discard.

4. Insert new filter; reinstall the inlet fitting; then reinstall tubing.

5. Replace the cover that was removed in Step 1.

4.4.3 Background-Gas Sensor Filter

The background-gas sensor filter is located inside the flow block of the background-gas

sensor assembly. See Figure 4-4.

Replace filter as previously described for the leak-gas sensor filter.

Figure 4-4. Leak Gas & Background Gas Sensor Filter Replacement

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Heath-consultants Hi Flow Sampler Manual de usuario Pagina 47