Roche Diagnostics May 2009
Service Manual · Version 9.0 B-49
cobas b 221 system 4 Components
Measuring chamber cartridge
3
Disconnect tube adapter to the bottle compartment, the connector tube to the
waste separator and the connector tube to V4 on the T-piece (see below).
4
Open the BG measuring chamber and disconnect the measuring chamber outlet
tube.
e
For details, see Figure B-29 on page B-48.
5
Open the ISE measuring chamber and disconnect the measuring chamber outlet
tube.
e
For details, see Figure B-29 on page B-48.
6
Open the locking lever (Plexiglas cover) of the main pump and the MSS output
pump and slide the linear clamp (white plastic part) up.
e
For details, see Figure B-46 on page B-65.
A Tension lever B Linear clamp
Figure B-30 Measuring chamber cartridge - 2
A Tube adapter
B Connector tubes
C T-piece
Figure B-31 MC tube adapter