Roche Diagnostics May 2009
B-94 Service Manual · Version 9.0
4 Components cobas b 221 system
Interface unit
11
Pull the interface unit to the back and remove it.
Use the reverse order for assembly.
e
For details, see Figure B-82 on page B-109.
Replacing the AutoQC/COOX cable
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 details, see Figure B-4 on page B-22.
3
Carefully pull the sample inlet path out to the right and remove it.
4
Unscrew the three screws holding the central measuring unit.
e
For details, see Figure B-2 on page B-20.
5
Raise the central measuring unit forward until it clicks audibly into place.
6
Disconnect the respective cable on the interface unit.
e
For details, see Figure B-70 on page B-93.
7
For AutoQC cable only: remove the AutoQC drawer;
open the bayonet closure of the primary light guide connector and remove it;
unscrew the two screws holding the light guide conduit and pull the light guide
conduit out through the back.
e
For details, see Figure B-40 on page B-57.
8
Disconnect the cables on the COOX and AutoQC control board, pull them out
and remove them.
Use the reverse order for assembly.
Grasp the interface unit while unscrewing the mounting screws to prevent it from sliding off!
During installation, ensure that the cable connections and the orientation of the printer connection
cable are correct!
Do not remove the fastening screws completely, because they are secured against loss.
The sample inlet path must be removed at this time, otherwise it will be destroyed by folding the
central measuring unit out.
During installation, ensure that the cable connections are correct!
To Next Page
Loading...
Need help?
General
