Beckman Coulter UniCel DxC 600, Instructions For Use Manual

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A13914AF
9-86
Maintenance
As-Needed/As-Required Maintenance
CAUTION
Pinch hazard. Keep fingers clear of the ISE module as you lower it.
27
Lower the ISE module by releasing the locking pin. Be careful NOT to pinch tubing as the module
is lowered.
28
Reinstall the ISE module cover.
29
Calibrate the ISE chemistries.
Clean the CO
2
Alkaline Buffer Lines
Bleaching of the Alkaline Buffer reagent straw and line is recommended to clean the reagent line
whenever the buffer is prematurely decolorizing (fading).
Prepare a 10% bleach
*
solution (one part 5.25% sodium hypochlorite (PN A32319), combined with
nine parts deionized water). Use within 24 hours.
CAUTION
To prevent damage due to electrical static discharge (ESD), wear the wrist ground
strap when you perform this procedure. For further instructions, refer to
Basic
Laboratory Practice in the beginning of this chapter.
1
Loosen the two Phillips screws from the ISE module cover and remove the cover.
2
Release the locking pin on the ISE module and lift the module until it clicks into a raised, locked
position.
3
Disconnect line #33 from the alkaline buffer reagent bottle and place the line in a small
container. (The container is used to catch the line drainage while priming).
4
Unscrew and remove the alkaline buffer reagent bottle cap and insert the straw into a container
of 10% bleach solution.
* DO NOT use bleach that contains additives (for example, Ultra Bleach Advantage).