7-5
Clean up any salt deposits or fluid on the base plate. Be sure that the base plate and all other
parts are dry. Refer to Figure 7.1 and reassemble the chamber. Remember to return the stir bar
to the chamber and be sure to install the chamber seal O-ring. Insert the probes into the
chamber, installing new membranes (see Section 2.4) or O-rings as necessary. Extra O-rings are
supplied in your Preventive Maintenance Kit. Connect the calibrator well tube and drain tube.
Refer to Section 2.6 to check the Sipper alignment and prime the buffer and calibration
systems.
Figure 7.1
Sample Chamber Illustration
To assure proper performance and prevent unexpected down-time, check membrane integrity
and linearity on a daily basis. Refer to Section 3.3, Daily Operational Checks, for details. When
enzyme membrane installation is required, refer to Section 2.4, replacement procedures.
The typical working life of an enzyme membrane is displayed under Chemistry Performance
Specifications, Section 1.4. You may want to use the expected life as a guideline for scheduling
replacement.
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