Replacing The Wash Block - Siemens ADVIA 2120 Operator's Manual

6. For the manual waste removal, at the Utilities menu select the
Status
reading is between 19 and 21. If required, adjust the 20 in. Hg vacuum
regulator knob.
IMPORTANT
All pneumatic settings must be reached by turning the knobs in an upward or
clockwise direction only. If a reading goes above the target value, turn the
knob back and allow the analyzer to equilibrate. The analyzer displays a new
reading every five seconds. Adjust upward to the correct value.
For systems with automatic waste removal, also verify the 20 psi reading. If
necessary, adjust the pressure regulator knob.
7. If a 19 to 21 reading cannot be reached, check that the lines to the filter are
secure. If you are still having difficulty, call Siemens technical support.

Replacing the wash block

Time: Replacement - 5 minutes
Analyzer mode: Standby
All products or objects that come in contact with human or animal body fluids
should be handled, before and after cleaning, as if capable of transmitting
infectious diseases. Wear facial protection, gloves, and protective clothing.
The operator should follow the recommendations to prevent the transmission of
infectious agents in health-care settings as recommended for potentially
infectious specimens in Protection of Laboratory Workers from Infectious
Disease Transmitted by Blood, Body Fluids, and Tissue, 2nd edition; Approved
Guideline (1997) Document M29-A, National Committee for Clinical Laboratory
Standards (NCCLS). This document contains complete information on user
protection and it can be used as reference material for instructions on laboratory
safety.
1. Remove the sample probe. (See page 5-37 for instructions.)
2. Wait for about two minutes until the vacuum is released from the wash
block. Gently move the push-to-aspirate paddle and wash-block assembly
down approximately 1 inch (25.4 mm).
3. Support the push-to-aspirate paddle with one hand. With the fingers of your
other hand grab the top and bottom of the wash block and gently push down
on the block until it slides down about ¼ inch (6.5 mm). Align the tabs on the
wash block with the openings on the paddle assembly. Remove the block by
gently pulling it straight out.
Troubleshooting the Analyzer
tab. At the Vacuum and Pressure area, check that the 20 in. Hg
Checkout - 15 minutes
BIOHAZARD
Analyzer
5-47