Roche Diagnostics May 2009
Service Manual · Version 9.0 B-87
cobas b 221 system 4 Components
Valve s
10
Disconnect the waste tube from the waste docking mechanism and pull it out of
the valve (see below).
11
Unscrew the two screws holding the V6 waste valve (see below, A).
12
Pull the V6 waste valve back and remove it.
Use the reverse order for assembly.
A Relief clamp
B Actuator Board V4/V6
C Holding screw
Figure B-64 Actuator board
A Two screws holding the V6 waste valve
B Waste tubing
C V6
Figure B-65 Waste valve V6