180 Instruction Manual QuickTOC
®
ultra
IECEx 12E5119
8 Care and Maintenance
8.5 Perform Care Actions LAR | PROCESS ANALYSERS AG
5. Screw the needle guides (3, 5) and the union nut (1) back to the injection port.
8.5.22 Furnace System Check
1.
2. Undo the screws of the second bottom grid behind it and detach it. Now the reactor foot is visible.
3. Unscrew the four black spacer bolts (there are two for the high salt option).
4. Unscrew the three screws from the seating of the reactor foot.
5. Undo the screwed insert with teflon tube from the reactor foot seat.
6. Check the cleanliness and elasticity of the teflon tube.
7. If slight contamination is ascertained, the teflon tube must be cleaned (Chapter 8.5.7 on page 173).
8. If a higher level of contamination or damage is ascertained, the teflon tube must be replaced
(Chapter 8.7.3 on page 187).
9. Carefully pull the reactor foot from the reactor pipe end.
10. Check the cleanliness of the reactor foot.
11. If contamination is ascertained, the reactor foot must be cleaned (Chapter 8.5.10 on page 175).
12. Once all test criteria are met, continue with the visual inspection of the reactor pipe without fitting
the reactor foot.
13. Ensure that the reactor foot is already removed (Chapter 8.3.8 on page 167)
14. Look into the end of the reactor pipe and check its cleanliness (use a mirror and protective goggles
as aids).
15. You can see the filter once the reactor pipe is free.
16. If contamination is ascertained, the reactor pipe must be cleaned (Chapter 8.5.10 on page 175).
17. Check whether the reactor pipe has suffered any damage.
18. If damage is ascertained, the reactor pipe must be replaced (Chapter 8.7.4 on page 188).
19. Once all test criteria are met, refit the reactor pipe and reactor foot, and continue with the next step.
20. Unplug the injection port connector.
21. Carefully undo in a crosswise sequence the screws of the furnace head.
22. Undo the tube from the tube connector (return valve).
23. Take the furnace head and injection port from the reactor pipe.
24. Undo the injection port on the furnace head by carefully turning it anticlockwise by hand.
25. Check to see whether the O-rings are in perfect condition.
26. If damage is ascertained, the respective O-ring must be renewed (Chapter 8.7.5 on page 190 and/
or Chapter 8.7.6 from page 191).
27. Place the furnace head onto the furnace and reactor pipe.
28. Connect the black tube to the tube connector provided.
29. Tighten in a crosswise sequence the attachment bolts of the furnace head with the furnace head
panel.
30. Careful tighten the injection port by hand until slight resistance is felt (the injection port should point
to the front left at an angle).
31. Plug the injection port connector back in.
32. Once all test criteria are met, proceed with the next step.
Danger
Danger of burns
Allow the oven to cool completely (2 hours in total). One hour after switching
off the furnace, the temperature of the reactor tube is still about 400° C to
500° C!
Always use heat-resistant gloves when working on the stove.
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