Roche Diagnostics
Operator’s Manual · Version 3.4 F-41
Cedex Bio analyzer 14 ISE operation
Cleaning the ISE tower off the analyzer
6
Remove the locking ring from the base of the ISE tower by turning it counter-
clockwise one quarter of a turn and then lifting it over the ISE tower.
7
Lift the ISE tower and carefully disconnect the tubing.
Check whether any O-ring is stuck to the ISE tower. If so, remove it and place it
back in its position on the ISE tower base.
Cleaning the ISE tower
8
Clean the inside of the ISE tower with a cotton swab to remove any visible clots.
9
Pour ISE Deproteinizer in the beaker.
10
Soak the ISE tower in the ISE Deproteinizer for about 5 minutes.
(If there are clots in the tower, you can extend the soaking time to 30 minutes.)
11
Rinse the ISE tower with deionized water and leave it to dry.
Reinstalling the ISE tower
12
Reconnect the tubing to the ISE tower.
13
Make sure that both O-rings are present and seated on the tower base.
14
Place the ISE tower on its base.
Align the two pins on the base with the two holes in the ISE tower.
15
Reinstall the locking ring.
Make sure it is properly engaged and turn it firmly clockwise.
16
Reinstall the overflow collector.
17
Close the left service flap and the main cover.
A O-ring positions
Figure F-8
A Alignment pins
Figure F-9
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