Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 B-27
cobas b 221 system 4 Components
T&D system (Turn & Dock)
3 Now use the fill port as a tool:
Insert the fill port with the flat side into the slot in the T&D disk and turn it 90
degrees to the right or left. Hold the T&D disk in place during this process.
4 Remove T&D disk.
Use the reverse order for assembly.
Replacing the T&D tubing set
1 Remove the T&D disk.
e For instructions, see Replacing the T&D disk on page B-26.
2 Pull the T&D moisture trap forward.
3 Pull the tubing strip on the right side of the T&D module upwards from its holder.
4 Unplug the AutoQC tube from the tube connection.
5 Pull the T&D tubing set forward and remove it.
Use the reverse order for assembly.
A Moisture Trap
B Check valve
C Tubing set
D T&D disk
E Tubing strip
Figure B-11 T&D tubing set
B
C
D
E
A
Make sure that the tubes are correctly positioned in the holder guides when installing the new T&D
tubing set.