Roche Diagnostics May 2009
C-14 Service Manual · Version 9.0
6 Maintenance cobas b 221 system
AutoQC module
AutoQC module
Yearly replacement
AQC maintenance kit
The AQC maintenance kit consists of the following components.
Tube for ma g net ic valve Replacement: remove the tube at the angle nipples and replace it with a new one.
Sample tube complete
e
For instructions of the replacement, see Replacing the AQC sample tube complete on
page B-129.
Wash port
e
For instructions of the replacement, see Replacing the wash port on page B-135.
The tubing paths must also be disinfected annually and the baro value must be checked.