Monthly Maintenance
Replace Alkaline Buffer
Maintenance UniCel DxC Systems Instructions For Use A13914
Page 10-28 October 2005
8 Use lintless tissue moistened with deionized water to clean the electrode
face until the gold surface is bright. Rub parallel to the gap (1) with tissue.
Rinse with deionized water. Dry using lintless tissue.
Figure 10.15
9 Apply a thin coating of Silicone Compound (P/N 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.
NOTICE
Thoroughly wipe off the electrode surface to remove any residual
silicone compound. Excess compound could prevent a successful
calibration.
10 Using lintless tissue saturated with deionized water; clean the electrode
mounting port.
11 Using dry, lintless tissue, wipe the electrode mounting port.
12 Reinstall the quad-ring on the face of the electrode.
13 Reinstall the retainer and retainer nut on the BUNm/UREAm electrode.
14 Rotate the electrode until the electrode key enters the retainer keyway and
reinstall the retainer nut on the electrode-retainer assembly.
15 Align the keyway on the body of the retainer containing electrode with key
in electrode port and install electrode assembly. Finger-tighten retainer nut.
16 Reconnect the pin lead into the connector panel by aligning the latch on
connector with notch on connector panel. Push the pin lead into the
connector panel until the latch clicks. (Refer to Figure 10.12.)
17 Select <OK> in the Maintenance confirmation pop-up window. The
BUNm/UREAm cup will be primed with water.
Step Action, continued
(4 of 5)
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