LAR Process Analysers QuickTOC purity - Check Sample Drain Tubes and Replace; Check Quartz Wool Filter and Replace if Necessary

152 User Manual QuickTOC
®
purity
ATEX 2 04E3920
8 Care and Maintenance
8.3 Care and Maintenance Tasks LAR | PROCESS ANALYSERS AG
1 Solenoid valves
2 Loop tube
3 Connectors
Fig. 108: Loop system
8.3.20 Check Sample Drain Tubes and Replace
1. Check the sample drain tubes for brittleness and elasticity. If the tubes are brittle or inelastic, the
hoses must be changed.
2. Loosen the cable gland and compression fitting on the device..
3. Using a sharp knife, cut the other end of the tube into the sample storage vessel and remove the
tube from the sample storage vessel.
4. Slide a new tubing onto the drain of the sample storage vessel.
5. Attach the other end of the hose to the unit using the cable gland and compression fitting.
8.3.21 Check Quartz Wool Filter and Replace if Necessary
1. Call the Status Screen and make a not of the actual pressure value.
2. Take the quartz wool tube out of the holder.
3. Loosen the upper and lower screws.
4. Take the used quartz wool out of the tube.
5. Fill the pipe with new quartz wool. When filling, make sure that the pipe at the bottom is loosely
filled with quartz wool at the top and that there is no quartz wool at the top of the pipe.
6. Clean the red fittings of any deposits.
7. During assembly, make sure that the black O-ring is securely in the groove provided in the screw
connection.
8. Put the quartz wool tube back in the holder.
Warning
Correct disassembly and assembly of components
When removing hoses from the sample glass sample container, make sure that it is
not damaged.
Do not grease hoses during assembly!
!