Beckman Coulter UniCel DxC 600 Instructions For Use Manual page 264

Maintenance
Monthly Maintenance
Figure 9.16
11
Apply a thin coating of Silicone Compound (PN 879049) over the tip of the electrode. Carefully
wipe the electrode end parallel to the gap with lintless tissue to remove all evidence of
compound. Rub to a bright finish.
IMPORTANT
Excess compound could prevent a successful calibration.
12
Using lintless tissue saturated with deionized water; clean the electrode mounting port.
13
Using dry, lintless tissue, wipe the electrode mounting port.
14
Reinstall the quad-ring on the face of the electrode.
15
Reinstall the retainer and retainer nut on the BUNm/UREAm electrode.
16
Rotate the electrode until the electrode key enters the retainer keyway and reinstall the
retainer nut on the electrode-retainer assembly.
17
Align the keyway on the body of the retainer containing the electrode with the key in the
electrode port and install electrode assembly. Finger-tighten retainer nut.
18
Reconnect the pin lead into the connector panel by aligning the latch on the connector with the
notch on connector panel. Push the pin lead into the connector panel until the latch clicks.
Refer to
9-28
Thoroughly wipe off the electrode surface to remove any residual silicone compound.
Figure 9.13.
A13914AF