Roche cobas b 221 system User Manual

Roche Diagnostics May 2009
Service Manual · Version 9.0 B-21
cobas b 221 system 4 Components
T&D system (Turn & Dock)
6 To fold back down the central measuring unit, hold it on the top handle, lift the
metal bracket on the left and lower the unit slowly. Be sure that the tubing
between V4 and MC cartridge is correctly positioned (see below) and not pinched
between central measuring unit and chassis of the instrument.
T&D system (Turn & Dock)
Replacing the T&D module
1 Switch off the cobas b 221 system.
e Please pay attention to Shutdown on page B-19.
2 Remove the top cover and T&D cover of the cobas b 221 system.
3 Rotate the T&D lock on the T&D module 90 degrees to the right (see below).
4 Carefully pull the sample inlet path out to the right and remove it.
5 Turn the T&D lock back and pull the tubing strip on the right side of the T&D
module out of its retainer.
The sample inlet path must be removed at this time, because otherwise it will be irreparably
damaged by raising the central measuring unit.
A Correctly positioned tube
Figure B-3 Tubing V4 – MC cartridge
A

Roche cobas b 221 system Specifications

General

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