Roche Diagnostics May 2009
B-56 Service Manual · Version 9.0
4 Components cobas b 221 system
COOX module (cobas b 221<2/4/6> systems only)
Use the reverse order for assembly.
Replacing the primary light guide
1
Remove the rear panel of the instrument.
e
For instructions, see Removing the rear panel on page B-20.
2
Rotate the T&D lock on the T&D module 90 degrees to the right.
e
For detail, see Figure B-4 on page B-22.
3
Carefully pull the sample inlet path out to the right and remove it.
A Screws B Polychromator Bilirubin
Figure B-38 Polychromator Bilirubin
A Light guide (black)
B Light guide (grey)
C Cable to HSIN board
D Ground cable connection
Figure B-39 Connections of the cuvette holder
Make sure that the bayonet connector is properly locked when reconnecting the light guide!