Roche cobas b 221 system User Manual

Roche Diagnostics May 2009
Service Manual · Version 9.0 B-53
cobas b 221 system 4 Components
COOX module (cobas b 221<2/4/6> systems only)
Replacing the PolyOX-KX control board
1 Remove the rear panel of the instrument.
e For instructions, see Removing the rear panel on page B-20.
2 Remove the T&D cover of the cobas b 221 system.
3 Unscrew the four screws holding the right side panel and remove the side panel.
4 Loosen the two cable clamp screws.
5 Remove all plug connectors (identification: J1, J2, J3, J7, J16) and the ground from
the PolyOX-KX control board.
6 Unscrew the ten screws holding the PolyOX-KX control board.
7 Pull the PolyOX-KX control board out from the side and remove it.
Use the reverse order for assembly.
Electrostatically sensitive components!
Do not remove the fastening screws completely, because they are secured against loss.
A Ten screws
Figure B-35 PolyOX-KX Control Board
A

Roche cobas b 221 system Specifications

General

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