Beckman Coulter UniCel DxC 600 Instructions For Use Manual page 293

Figure 9.39
5
Unscrew the old tip from the electrode assembly. Discard the O-ring and the old electrode tip.
6
Install a new O-ring on the presoaked potassium and/or calcium electrode tip and screw onto
electrode body. Install the new quad-ring on the tip of the new electrode.
7
Thoroughly dry the electrode port with lintless tissue.
8
Replace retainer nut on the electrode and insert the new electrode into electrode port. Turn
electrode retainer nut until finger-tight.
9
To test for proper seating of electrode gently pull on electrode body. The electrode assembly
should not move. If the electrode moves, remove it and install it again. Check for an extra or
missing quad-ring if installation is difficult.
10
Reposition flow cell on the mounting panel and tighten the one retaining screw. Reconnect
electrode cable to the appropriate terminal being careful not to bend connecting pin.
11
Select
OK
been completed and the electrode has been properly replaced.
IMPORTANT
While system is priming, observe flow cell for leaks. If you notice any leaks, correct the problem
when priming is complete.
A13914AF
in the Maintenance pop-up confirmation window when the electrode service has
Reagents immediately prime through the flow cell.
9
Maintenance
Six-Month Maintenance
9-57