Maintenance 121
6. Place a thermometer inside the water reagent wedge and measure the temperature. The
thermometer should read from 8° to 14°C.
NOTE: If the temperature reading is outside this range, please contact your service
provider.
7. Record the temperatures as part of the daily maintenance report.
Inspecting and cleaning the reaction (WUD) and dilution (DWUD)
cuvette washers
Materials required:
• Lint-free towel
• Alcohol prep pads or lint-free towels
and 5% bleach solution
• 4-mm hex wrench
Time: 10 minutes
BIOHAZARD
Wear personal protective equipment.
Use universal precautions.
1. Set the analyzer to Standby.
2. Inspect the exterior of the reaction cuvette washer (WUD) and dilution cuvette washer
(DWUD) tubing for cleanliness.
3. Check the WUD and DWUD for leaks.
TIP
Perform this inspection in addition to the startup, shutdown, and weekly washes, to
keep the WUD and DWUD from clogging.
In the event of a clog, call your local technical support provider or distributor for
assistance.
Figure 5-5. Cuvette wash stations
1 Dilution Cuvette Wash
Station (DWUD)
2 Reaction Cuvette Wash
Station (WUD)
4. Remove the wash head:
a. Cover nearby cuvettes with lint-free toweling to protect them from dust.
b. Loosen the retaining screw (
1) with a 4-mm hex wrench.
c. Lift the wash head from the wash station assembly.
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