Teledyne 3190 - page 36

5-4

5 Maintenance Model 3190

Teledyne Analytical Instruments

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.

Contents

Main Model 3190 Series Trace Oxygen Analyzer DANGER ii Teledyne Analytical Instruments Copyright 1999 Teledyne Analytical Instruments Specific Model Information Contents Page Page Introduction 1.1 Overview 1.2 Main Features of the Analyzer 1.3 Front Panel Description 1.4 Rear Panel Description Page Page Page Operational Theory 2.1 Introduction 2.2 Micro-Fuel Cell Sensor Page Page Page 2.3 Electronics Page Installation 3.1 Unpacking the Analyzer 3.2 Location and Mounting Important Installation Note! 3.3 Electrical Connections Page Page Page 3.4 Gas Connections 3.5 Installation Checklist Page Operation 4.1 Introduction 4.2 Using the Function and Data Entry Buttons SET HI ALARM SET LO ALARM SET HI RANGE SET LO RANGE SPAN 4.3 Setting the Analysis Ranges 4.4 Setting the Alarm Setpoints 4.5 Selecting a Fixed Range or Autoranging 4.6 Calibration 4.7 Displaying Percent & PPM on the LED Display 4.8 SetL mode in the LED display Maintenance 5.1 Replacing the Fuse 5.2 Sensor Installation or Replacement Page Page Page Page Appendix A.1 Specifications A.2 Spare Parts List