Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 B-81
cobas b 221 system 4 Components
Valve s
6 Disconnect the connectors from the V4/V6 actuator board.
7 Unscrew the screw holding the V4/V6 actuator board and remove the board.
Use the reverse order for assembly.
Valves
Replacing the valves of the measuring chamber cartridge
These instructions apply to the following valves:
V3, V5, V8, V9, V12, V14, V16, V17, VIO, VBO
A V12
B V8
C V9
D VIO
E V5
F VBO
G V17
H V16
I V14
J V3
Figure B-61 Valves of the measuring chamber cartridge
G
A
B
C
D
E
F
H
I
J