Service And Maintenance; Weekly Maintenance - Hach BioTector B7000 User Manual

Section 10

10.1 Weekly Maintenance

Oxidation Phase:

Check the oxygen cylinder/oxygen concentrator.

Check the oxygen pressure in the cylinder or the oxygen supply from the oxygen concentrator.

Check the oxygen pressure on the Oxygen Regulator inside the BioTector.

Check the Acid container and Acid Pump.

Check the Base container and Base Pump.

Check the HCl Water solution container and HCl Water Pump (if installed).

Check and confirm that the sample line is free and the Sample Pump is running correctly.

Check and confirm that the Circulation Pump is operating.

Check and confirm that all valves are operating.

Check the filter mats in the Fan and Vent housings.

Check the Bypass, Sample Out and Exhaust ports.
Liquid Phase:

Check the Oxidized Sample Catch-Pot/Cleaning Vessel.

Check Nitrogen Pump (N Pump).

Check the TN Cleaning container.

Check the DI Water container.

Check and confirm that all valves are operating.

Check the Zero Water (DI Water) used for the Zero Calibration.

Check the TN Drain and TN Bypass ports.

Service and Maintenance

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