Roche cobas b 221 system User Manual

Roche Diagnostics May 2009
Service Manual · Version 9.0 B-111
cobas b 221 system 4 Components
Replacing the valve bus cable
6 Disassemble the fan shield.
e For instructions, see Replacing the main fan unit on page B-110.
7 Unscrew the two screws holding the mainboard retainer.
e For details, see Figure B-66 on page B-89.
8 Fold the mainboard retainer down.
9 Release the valve bus cable plug connector on the sample distributor (see below).
10 Release valve bus cable connector on the mainboard (see above).
11 Release the valve bus cable plug connector on the measuring chamber cartridge
valve unit (see below).
A Plug connector on the sample distributor B Plug connector on the mainboard
Figure B-83 Valve bus cable (Sample distributor/mainboard)
A
B

Roche cobas b 221 system Specifications

General

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