Roche Diagnostics May 2009
Service Manual · Version 9.0 B-75
cobas b 221 system 4 Components
Vacuum system
12
Unscrew the three screws holding the vacuum pump (see below, A) and remove
the vacuum pump.
Use the reverse order for assembly.
A Waste tube
B Cable clip
C T-piece
Figure B-57 Waste tube
A Three screws holding the vacuum pump
B Pump motor cable
C Exhaust tube
D Moisture trap
E VPP sensor
Figure B-58 Vacuum pump