Cleaning the dilution tray cuvettes

Materials required

Biohazard

Time:   15 minutes (replacement)

10 hours (immersion)

Analyzer mode:  OFF

Wear personal protective equipment.
Use universal precautions.

 

To wash the dilution cuvettes

  1. Prepare 1.5 liters of 5% Probe Wash 3 solution diluted with deionized water.

  2. Remove the six (6) cuvette segments on the dilution tray (DTT).

  1.  Unfasten the two thumbscrews (1) on each section.

  2.  Grasp the cuvette section by the tab (2) and lift it from the tray.

  3.  To remove the cuvettes under the dilution washer (DWUD) and splash cover, turn the tray by hand until the cuvettes are clear.

  1. Immerse the cuvette segments in 5% Probe Wash 3 solution.

  1. Ensure there are no air bubbles in the cuvettes.

  2.  Leave the cuvettes immersed for at least 10 hours.

Note

If you have a spare set of DTT cuvettes,  install them now.

  1. Wash the cuvettes under running water then rinse in deionized water.

  2. Drain the water from the cuvettes.

  3. Install the cuvettes segments on the dilution tray (DTT) and fasten the thumbscrews by hand.

  1. At the Operation Panel, select Initialize.

Note

Verify that the operating mode field displays READY before performing any further actions.

  1. At the Operation Panel, select Wash and perform the daily shutdown WASH 2 routine; verify the operation.