Teledyne 3190 manual Installing a Micro-Fuel Cell, Exploded View of MFC and Cell Block

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5 Maintenance		Model 3190

3.Unscrew the cell-retainer cap from the cell block by turning it counterclockwise until it is free.

Figure 5-2: Exploded View of MFC and Cell Block

4.Slowly withdraw the cap from the block. The cell should come out with the cap.

5.Carefully pull the cell off of the cap. DO NOT TOUCH THE SCREENED END OF THE CELL OR ANY FLUID THAT MAY BE LEAKING FROM IT.

6.Dispose of the cell in a safe manner, in accordance with all applicable ENVIRONMENTAL AND SAFETY laws.

5.2.4 Installing a Micro-Fuel Cell

To install a new Micro-Fuel Cell:

CAUTION: Do not scratch, puncture, or otherwise damage the sensing membrane of the Micro-Fuel Cell. If the membrane is damaged, the cell must be replaced.

5-4	Teledyne Analytical Instruments

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Contents Model 3190 Series Teledyne Analytical InstrumentsCopyright 1999 Teledyne Analytical Instruments Specific Model Information Contents Maintenance AppendixTeledyne Analytical Instruments Main Features of the Analyzer IntroductionOverview Trace Oxygen Analyzer IntroductionFront Panel Description Introduction ModelRear Panel Description Up ArrowAnalog Outputs Rear Panel AC and DC versionsRS-232 Port Introduction Model Teledyne Analytical Instruments Operational Theory IntroductionMicro-Fuel Cell Sensor Trace Oxygen Analyzer Operational TheoryOperational Theory Model Anatomy of a Micro-Fuel CellElectrochemical Reactions + 2H 2O + 4e → 4OHCalibration Characteristics Effect of PressureSignal Processing ElectronicsGeneral Block Diagram of the Signal Processing Electronics Installation Trace Oxygen Analyzer InstallationUnpacking the Analyzer Installation Model Control Unit InstallationExternal Probe Installation Location and MountingInstalling the Micro-Fuel Cell / Cell Block Orientation Electrical ConnectionsRear Panel Electrical Connectors for AC and DC Units Trace Oxygen Analyzer Installation HI Alarm LO AlarmParameter Setting Sensor FailInstallation Checklist Gas ConnectionsInstallation Model Teledyne Analytical Instruments Using the Function and Data Entry OperationTrace Oxygen Analyzer Operation Setting the Analysis Ranges ButtonsOperation Model Setting the Alarm Setpoints Settle ModeHI Alarm Trace Oxygen Analyzer Operation HI RangeLO Alarm Sensor Fail AlarmSelecting a Fixed Range or Autoranging CalibrationProcedure Displaying Percent & PPM on the LED DisplaySetL mode in the LED display Maintenance Trace Oxygen Analyzer MaintenanceAC Powered Units Replacing the FuseSensor Installation or Replacement Maintenance ModelDC Powered Units When to Replace a SensorDisconnect the Power Source at the Control Unit Removing the Micro-Fuel CellInstalling a Micro-Fuel Cell Exploded View of MFC and Cell BlockDisconnect the Power Source from the Control Unit Cell Warranty ConditionsMaintenance Model Teledyne Analytical Instruments Appendix Specifications Trace Oxygen Analyzer AppendixSpare Parts List Appendix ModelDrawing List MiscellaneousAppendix Model Teledyne Analytical Instruments