Mindray BC-2800 Operator's Manual page 230

Maintaining Your Analyzer
Figure 10-50 "Elevator motor" window
6. Press [↑] to move the sample probe upward and press [→] to move the probe to above
the bath, as Figure 10-51 shows;
Figure 10-51 Sample probe above the bath
7. Loose the retaining screw by a screwdriver, as Figure 10-52 shows.
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