Roche cobas b 221 system User Manual

Roche Diagnostics May 2009
Service Manual · Version 9.0 B-79
cobas b 221 system 4 Components
Vacuum system
6 Raise the central measuring unit forward until it clicks audibly into place.
7 Unscrew the five screws holding the left side panel of the cobas b 221 system and
remove the side panel.
8 For this purpose, record the barcode located on the polychromator bilirubin!
e For details, see Figure B-51 on page B-70.
9 Open the cable clamp, disconnect the waste tube at the T piece, and unthread it.
e For details, see Figure B-57 on page B-75.
10 Disconnect the waste tube at the vacuum pump protector and remove it.
11 Disconnect the air tube at the vacuum pump protector and at the vacuum pump
and remove it.
Use the reverse order for assembly.
Do not remove the fastening screws completely, because they are secured against loss.
The sample inlet path must be removed at this time, otherwise it will be destroyed by folding the
central measuring unit out.
Do not remove the fastening screws completely, because they are secured against loss.
A Waste Tube
B Air tube
C Vacuum pump protector
Figure B-60 VP tube set
A
B
C

Roche cobas b 221 system Specifications

General

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