9-16 CELL-DYN 3000 System Operator’s Manual
9140240E — May 1995
Maintenance Chapter 9
Closed Sampler Aspiration Needle
The aspiration needle on the closed sampler version of the CELL-DYN
3000 should be cleaned regularly to remove protein buildup or debris and
reduce the possibility of a blockage.
Materials Required
1. CELL-DYN Enzymatic Cleaner (brought to room temperature)
2. Diluent
3. Three empty Vacutainer® tubes
4. Gloves, lab coat, and suitable eye protection
Procedure
1. Aliquot approximately 2 mL of enzymatic cleaner (undiluted) into
one of the Vacutainer tubes.
2. Aliquot approximately 2 mL of diluent into each of the other two
Vacutainer tubes.
3. If necessary, from the Data Station RUN Screen, press [CLOSED
SAMPLER] to select the closed mode.
4. Press [SPECIMEN TYPE] followed by [BACKGROUND].
5. Aspirate the enzymatic cleaner.
6. Aspirate the Diluent.
7. Check to see that the background counts are acceptable by running
5 background counts on the last diluent sample. If the counts are
unacceptable, refer to Chapter 10, Troubleshooting.
8. Discard all tubes used.
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