Siemens ADVIA 1800 Operator's Manual page 171

9. Ensure that the center nozzle (yellow-labeled overflow nozzle) is in liquid, without
overflowing the tray.
10. Repeat step 5, to thoroughly clean the WUD/DWUD lines with wash solution.
NOTE:
wash head in and out of the cleaning solution to introduce air into the lines.
11. When the operation mode returns to READY, lift the WUD/DWUD wash head out of
the tray and place it on top of the WUD/DWUD assembly.
12. Using a lint-free cloth, carefully clean the stainless steel nozzles of the WUD/DWUD
wash head.
13. Remove, empty, and rinse the tray to remove any residual cleaning solution, then
place it on paper towels under the WUD/DWUD nozzles.
14. Place the WUD/DWUD wash head into the tray, then fill the tray with
150 mL of deionized water.
15. Repeat step 5 twice to flush out the cleaning solution with deionized water.
16. When the operation mode returns to READY, move the WUD/DWUD wash head on
top of the WUD/DWUD assembly and secure it by tightening the 4-mm captive hex
screw.
17. Remove the tray and paper towels from the system.
18. Repeat this procedure from step 2 for the other wash head, if needed, and then
proceed to step 19.
19. Exit the JEOL Maintenance window.
20. Run a Startup Wash (WASH3) procedure on the system, then verify proper hydraulic
operation and mechanical alignment of the WUD/DWUD assemblies during the
Startup Wash.
21. Run your laboratory's quality control material and verify the results are within
acceptable ranges.
Maintenance
As an aid to cleaning the aspiration lines, manually lift the WUD/DWUD
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