192 Instruction Manual QuickTOC
®
ultra
IECEx 12E5119
8 Care and Maintenance
8.7 Perform Maintenance Actions LAR | PROCESS ANALYSERS AG
8.7.11 Replace Quartz Wool Filter Filling
Preconditions: - Quartz wool has a grey colouring.
- Quartz wool is damp.
1. Make a note of the gas pressure [in mbar] on the display “Status Screen” (Chapter 7.5 on
page 97).
2. Put gloves on.
3. Take the tubes from the quartz wool filter.
4. If required, use a screwdriver to open the pipe clamps.
5. Take the quartz wool filter from the holder.
6. Undo the upper and lower screw connections.
7. Remove and dispose the old quartz wool.
8. Fill the quartz wool filter carefully with quartz wool because otherwise the quartz wool becomes
pulverised and a blockage of the gas paths is created when it is stuffed by too much. Ensure that
the quartz wool is filled loose at the bottom and a little more compact at the top. No quartz wool
may be protruding.
9. Clean the red threaded connections.
10. Place the O-ring into the recess provided.
11. Screw back in the upper and lower quartz wool filters.
12. Fit the quartz wool filter into the holder.
13. Connect the tubes to the quartz wool filter.
14. Check the gas pressure on the display “Status screen”.
8.7.12 Replace Quartz Wool Filter
Preconditions: - Quartz wool has a grey colouring.
- Quartz wool is damp.
1. Make a note of the gas pressure [in mbar] on the display “Status screen” (Chapter 7.5 on page 97).
2. Put gloves on.
3. Take the tubes from the quartz wool filter.
4. If required, use a screwdriver to open the pipe clamps.
5. Remove the quartz wool filter from the holder.
6. Fit the new quartz wool filter into the holder.
7. Connect the tubes to the quartz wool filter.
8. Check the gas pressure on the display “Status screen”
Danger
Corrosive chemicals
The acid trap is filled with highly corrosive material.
Use gloves and respiratory protection when working on the acid trap
Notice
LAR offers filled quartz wool filters for simple and quick maintenance.
If you have any question, please contact the Sales Department of LAR (Chapter 15
on page 283).
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