Alve Faces Apart - Siemens ADVIA 2120 Operator's Manual

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, 2d 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.
To clean the shear valve
1. Take the shear valve apart
2. Clean the shear valve
3. Reassemble the shear valve
4. Check the analyzer
Cleaning the Shear Valve: Step 1
Taking the Shear-Valve Faces Apart
IMPORTANT
Place paper towels directly under the shear valve to prevent fluid from dripping
down into the analyzer.
4-8
1. Remove the knurled nut (
by turning counter clockwise
, then remove the
compression spring (
2. To remove the rotor (
the shear valve with one hand
and with the other hand rotate
the rotor until it can be pulled
forward and off the shaft.
)
1
).
2
), hold
3
Maintaining the Analyzer