Endress+Hauser 2-Pack TDLAS, Safety Instruction

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XA02751C 2-Pack/3-Pack TDLAS Gas Analyzer
28 Hauser
6. Insert the new fuse into the screw cover and replace into the fuse
opening.
7. Use the screwdriver to turn the fuse cover clockwise until tight. Do not
overtighten.
8. Close enclosure door and apply power to the analyzer.
Membrane Separator
Replacement
Use the following steps to replace a membrane separator.
1. Close the sample supply valve.
2. Unscrew the cap from the membrane separator.
If the membrane filter is dry:
3. Check if there are any contaminants or discoloring of the white mem -
brane. If yes, the filter should be replaced.
4. Remove the O-Ring and replace the membrane filter.
5. Replace the O-Ring on top of the membrane filter.
6. Place the cap back 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.
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 sep -
arator.
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.
8. Check connections for gas leaks. Using a liquid leak detector is recom -
mended.
Filter Replacement
If necessary, use the following steps to replace the filter:
1. Close the sample supply valve.
2. Unscrew the four screws with a 5/23 in. screwdriver from the base of
the filter. Remove the filter unit from the analyzer for disassembly.
3. Unscrew and remove the filter cap.
4. Remove the top O-Ring.
5. Check if there are any contaminants or solid components blocking the
metal filter.
6. Drain any contaminants found and clean with isopropyl alcohol.
7. Replace the top O-Ring.
8. Place the filter cap back into position and tighten.
Repeat steps for each fuse to be replaced.