Abbott CELL-DYN 3200 System Operator's Manual page 403

Section 9
Open Sample Probe Interior Cleaning
Materials Required
CELL-DYN ® 3200 System Operator's Manual
9140181H—October 2001
14. Align the lock notch of the center section with the mounting guide. (Lock
notch faces the mounting guide, smaller rim notch faces down.) Carefully
slide this section back onto the mounting arm until it is flush with the rear
section. (Refer to Figure 9.10.)
CAUTION: Results may be affected if the center section is installed back-
wards. Be certain the rim notch faces down.
15. Wipe the inner surface of the front section with a DYN-A-WIPE (or other
lint-free pad) dampened with warm water. Use care to avoid scratching the
inner surface. Do not dry.
NOTE: Hold the section by the edges to avoid getting fingerprints on the
inner surfaces.
16. Align the lock notch of the front section with the mounting guide. A pin on
the inner rim should align with the groove on the mounting arm. Carefully
slide this section back until it touches the center section.
17. Firmly hold the three valve sections together and replace the Shear Valve
Retaining Screw. Turn the screw clockwise until it stops.
18. Remove any cleaning materials (such as gauze pads) that may have been left
on the instrument.
19. Press [RESTORE SHEAR VAL] WR UHWXUQ WKH 6KHDU 9DOYH WR LWV RSHUDWLQJ
SRVLWLRQ DQG WR UHWXUQ WKH LQVWUXPHQW to the READY state.
20. Replace the Tower Cover (Tower Door on the CS model must be open).
21. Press [RETURN] followed by [MAIN] DQG [RUN] to display the RUN screen.
22. Run at least five background counts to rinse the system. Check that the
background counts are acceptable before running controls or patient samples.
If the counts are unacceptable, troubleshoot accordingly (refer to Section 10:
Troubleshooting and Diagnostics; Subsection: Troubleshooting Guide).
23. Record this maintenance in your maintenance log.
The Open Sample Aspiration Probe is thoroughly cleaned whenever the Auto-
Clean cycle is performed. However, additional cleaning may be required from time
to time. The probe may be cleaned manually, as described below.
1. Gloves, lab coat, and safety glasses
2. Syringe (10 cc or larger) with at least 3" of 1/32" silicone tubing attached to
the tip
3. Small needle-nose pliers or similar tool
4. Small beaker or container
5. Deionized water
6. Cleaning solution (0.5% sodium hypochlorite solution). See the formula for
mixing this solution under Decontamination Procedures earlier in this
section.
Service and Maintenance
9-33