Replacing The 7 Micron Filter; Tools - Endress+Hauser SpectraSensors J22 TDLAS Operating Instructions Manual

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If liquid or contaminants are detected on the filter:
3. Drain any liquids and clean with isopropyl alcohol.
4. Clean any liquids or contaminants from the base of the membrane separator.
5. Replace the filter and the O-ring.
6. Place the cap onto the membrane separator and tighten.
7. Check upstream of the membrane for liquid contamination and clean and dry
out before re-opening the sample supply valve.

Replacing the 7 micron filter

Tools

• 1 in. Open-ended wrench
• 1 in. Crow's foot
• Torque wrench (capable of 650-in. lb [73.4 N-m])
1. Close the sample supply valve.
2. Conduct a sample system purge if suspected hazardous elements are present
134.
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3. Stabilize the body with a wrench and loosen the bonnet.
 1: Loosen filter elements
1 Filter body
2 Filter bonnet
4. Remove the bonnet, gasket and filter element
• If replacing the gasket, discard the old gasket.
• If replacing the filter element, discard the old filter.
Residual hazardous media may be left in the filter.
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J22 TDLAS Gas Analyzer
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 2: on page 133.
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SpectraSensors, Inc.