Roche cobas b 221 system User Manual

Roche Diagnostics May 2009
Service Manual · Version 9.0 B-129
cobas b 221 system 5 AutoQC module
AQC sample tube
AQC sample tube
Replacing the AQC sample tube complete
The AQC sample tube complete consists of:
o AQC sample tube short
o AQC sample tube long
o AutoQC safety spring
o AutoQC angle unit
1 Switch off the cobas b 221 system.
2 Pull the AutoQC module out to the left.
3 Remove the back panel of the instrument.
e For instructions, see Removing the rear panel on page B-20.
4 Unscrew the four screws holding the right side panel and remove the side panel.
5 Remove the AQC sample tube from the cross-slide.
e For details, see Figure B-98 on page B-127.
6 Remove the safety spring of the AQC sample tube on the back of the T&D module
and disconnect the AQC sample tube and remove it (see below).
Activate the function program h [System] > [Component test] > [Aggregates] > [AQC motors]
> [AQC motors] > [Service Position] to bring the motors to the service position.
Do not remove the fastening screws completely, because they are secured against loss.
A Safety spring B AQC sample tube
Figure B-99 AutoQC AQC sample tube and safety spring
A
B

Roche cobas b 221 system Specifications

General

Brand	Roche
Model	cobas b 221 system
Category	Medical Equipment
Language	English