Teledyne 401 10 ROUTINE MAINTENANCE

Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2

10 ROUTINE MAINTENANCE

NOTE

The operations outlined in this chapter are to be

performed by qualified maintenance personnel only.

10.1 Maintenance Schedule

Table 10-1 shows a typical maintenance schedule for the Model 401. Please note that in certain

environments (i.e. dusty, very high ambient pollutant levels) some maintenance procedures may

need to be performed more often than shown.

Table 10-1: Maintenance Schedule

Date Instrument Was Recieved: ___________________

Item Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Recommended

Action

Zero Air

Scrubber Replace charcoal

quarterly.

Pump

Diaphragms Replace every 6

months.

DFU

particulate

filter for

zero air

Replace

annually.

Sample Cell

Inspect quarterly.

Clean as

necessary.

(Section 10.3)

Sample

Flow Check annually

800 cc/min ± 80.

Leak Check

Check annually

(Section 10.2)

leak check after

any maintenance.

10-1

Contents

Main INSTRUCTION MANUAL MODEL 401 O3 CALIBRATOR SAFETY MESSAGES TABLE OF CONTENTS Page Page 10 ROUTINE MAINTENANCE........................................................................ 10-1 11 MODEL 401 SPARE PARTS AND EXPENDABLES KITS........................ 11-1 LIST OF FIGURES LIST OF TABLES 1 INTRODUCTION 1.1 Preface 1.2 Warranty 1.3 Principle Of Operation a l C n 1.3.1 Interferent Rejection 1.4 Specifications 1-5 Page 1.4.10 Flow Rates 1.4.11 Power 1.4.12 Weight 1.5 Installation And Overview Page Page Page Page Page Page 1.6 Electrical And Pneumatic Connections 1.6.1 Electrical Connections 1.6.2 RS-232 Page 1.6.3 Pneumatic System 1.6.4 Exhaust Connections (See Figure 1-5) 1.6.5 Output Flow Adjustment Page Page Page 1.7 Operation Verification 1.7.1 Final Test And Calibration Values 1-21 Table 1-1: Test Values 1.8 Options 2 OPERATION 2.1 Key Features 2.1.1 O3 Readout 2.1.2 O3 Analog Output 2.1.3 E2 ROM Backup Of Software Configuration 2.1.5 Data Acquisition 2.1.6 RS-232 Interface 2.1.7 Password Protection Page 2.2 Front Panel 2.2.1 Front Panel Display Page Table 2-3: Test Measurements 2-6 2.2.2 Programmable Pushbuttons Page 2.2.3 Status LEDs Page 3 CALIBRATION 3.1 Manual Zero Air Supply 3.2 Manual O3 Generation 3.3 Automatic Zero/Span (or Multipoint) Check 3.4 Manual Zero/Span (or Multi-Point) Check 3.5 Summary Of Front Panel Calibration Controls 3.6 Photometer Calibration 3.7 Remote Zero/Span Check (Contact Closure) 3.8 Remote Zero/Span Check Or Adjustment (RS-232) 3.9 Hold Off Page 4 SETUP MODE 4.1 Setup Mode Operation 4.2 Setting Automatic Multipoint (ASEQ) Check 4.3 Setting Automatic Zero/Span Duration 4.4 Examining The Ozone Formula Slope And Offset + = 4.5 Setting the O3 Generation Mode 4.5.1 BNCH Mode 4.5.2 REF Mode 4.5.3 CNST Mode 4.6 Setting The Time-Of-Day 4.8 Adjusting The Clock Speed 4.9 Setting The O3 Concentration Range 4.10 Setting The Analog Output Offset 4.11 Setting The RS-232 Baud Rate 4.12 Setting The Analyzer I.D. 4.13 Disabling The Calibration Password 4.14 Setting The Fault LED Timeout Page Table 4-1: Setup Variables 4-7 Page 5 DIAGNOSTICS 5.1 Test Measurements 5.2 Diagnostic Tests 5.2.1 D/A Output 6 HANDLING WARNINGS Page 7 RS-232 COMMUNICATIONS 7.1 DAS Reporting 7.2 Warnings 7.3 Status/Control Page 7.4 Diagnostics 7.5 Test Measurements 7.6 Viewing And Modifying Variables Page Page 8 ADJUSTMENTS 8.1 Power Supply Board Adjustment 8.1.1 Box Temperature Limits Page 8.2 A/D - D/A Calibration Procedure 8.3 Output Voltage Range Changes 8.4 Flow Readout Adjustment Page 8.5 DC Power Supply 8.6 CPU 8.7 Status Lines 8.8 UV Lamp Power Supply Adjustment 8.9 Ozone Generator Lamp Setup 8.10 Ozone Generator Calibration 8.11 Dark Current Signal Adjust Procedure 8.12 Bench Feedback Option Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9 TROUBLESHOOTING 9.1 Overview 9.2 Troubleshooting Fundamental Calibrator Operation 9.2.1 Checking The Power Sub-Systems 9.2.2 Checking The CPU And Display 9.2.3 Checking The Keyboard 9.3 Troubleshooting Using Warning Messages 9-4 9.4 Troubleshooting Using Test Function Values 9.5 Troubleshooting Dynamic Problems 9.5.1 Noisy Or Unstable Readings At Zero 9.5.2 Noisy, Unstable, Or Non-Linear Span Readings 9.5.3 Slow Response To Changes In Concentration 9.5.4 Analog Outputs Do Not Agree With Front Panel Readings 9.5.5 Cannot Zero 9.5.6 Cannot Span 9.6 Troubleshooting Individual Sub-Assemblies And Components 9.6.1 Troubleshooting Flow Problems 9.6.2 Troubleshooting Temperature Problems 9.6.3 Checking The V/F Card Page 9.6.4 Checking The DC Power Supply Board 9.6.5 Checking The Pneumatic Sensor Board 9.6.6 Checking The Source Lamp And Detector Page 9.6.7 Checking Main Switching Valve 9.6.8 Checking The Lamp Power Supply Page Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Warranty/Repair Questionnaire 9-18 9.7 Warranty/Repair Questionnaire ____________________________________________________________________________________ Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 10 ROUTINE MAINTENANCE 10-1 10.1 Maintenance Schedule 10.2 Leak Checking 10.3 Cleaning Of Sample Cell 10.4 Changing The Prom Page 11 MODEL 401 SPARE PARTS AND EXPENDABLES KITS 11.1 Spare Parts For CE Mark Units 11-2 Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 11.2 Spare Parts For Non-CE Mark Units 11-3 Table 11-2: Spare Parts For Non-CE Mark Units Page Appendix A LIST OF AVAILABLE MODEL 401 OPTIONS Page Appendix B RECOMMENDED ZERO AIR SYSTEM Page Appendix C REFERENCES Page Page Page Appendix E ELECTRICAL SCHEMATIC INDEX