132 ADVIA 2400 Operator’s Guide
Monthly maintenance
Cleaning the turntable interiors (STT/CTT and RTT)
Materials required:
• Phillips screwdriver
• Lint-free towels
Time: 10 minutes
Analyzer mode: READY
BIOHAZARD
Wear personal protective equipment.
Use universal precautions.
NOTE
Use the 2 procedures that follow to clean inside the STT/CTT housing and the RTT1 and
RTT2 refrigerated housing to remove accumulated sample, reagent, dust, and other
materials.
Cleaning the inside of the STT/CTT housing
1. Remove the Calibrator/Control Tray loader (CTT):
a. Lift the standard cover from the loaders..
b. Pull up on the two Nylatch fasteners (
3) securing the CTT Tray loader in place.
c. Lift out tray loader by the center handle (
4).
2. Remove the Sample Tray loader (STT):
a. Lift the Sample Tray evaporation cover.
b. Pull up the two fasteners (
5) securing the STT Tray loader in place.
c. Lift out the STT tray by the two metal handles.
3. Using lint-free towels, wipe the interior of the STT and CTT housings.
1 CTT Tray
2 STT Tray
3 CTT Nylatch Fasteners - 2 places
4 CTT Handle
5 STT Nylatch Fasteners - 2 places
6 STT Handles - 2 places
7 Locator Screw
Figure 5-16. Components of CTT and STT trays
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