146 ADVIA 1800 Operator’s Guide
Every 2 months maintenance
Cleaning the dilution tray cuvettes
Materials required:
• 2-liter beaker
• Probe Wash 3 solution (REF 03164495,
PN B01-4183-01)
• Deionized water
Time: 15 minutes (replacement)
10 hours (immersion)
BIOHAZARD
Wear personal protective equipment.
Use universal precautions.
Figure 5-20. Components of dilution tray cuvette
WARNING
Probe Wash 3 contains 4.5% potassium hydroxide and 2% sodium hypochlorite.
Avoid contact with skin and eyes. Probe Wash 3 is a corrosive material that can
cause burns. Wear suitable protective clothing, gloves and eye/face protection. In
case of contact with eyes, rinse immediately with plenty of water and seek
medical advice.
1. Prepare 1.5 liters of 5% Probe Wash 3 solution diluted with deionized water.
2. Set the analyzer to Standby.
3. Remove the 6 cuvette segments on the dilution tray (DTT).
a. Unfasten the 2 thumbscrews (
1) on each section.
b. Grasp the cuvette section by the tab (
2) and lift it from the tray.
c. To remove the cuvettes under the dilution washer (DWUD) and splash cover,
turn the tray by hand until the cuvettes are clear.
NOTE: You will feel resistance when manually moving the tray. This is normal.
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