Agilent Technologies 5975C TAD VL MSD Manual de funcionamiento

Agilent Technologies

Agilent 5975 Series

MSD

Troubleshooting and

Maintenance Manual

2 5975 Series MSD Troubleshooting and Maintenance Manual

Notices

No part of this manual may be reproduced in

any form or by any means (including elec-

tronic storage and retrieval or translation

into a foreign language) without prior agree-

ment and written consent from Agilent

Technologies, Inc. as governed by United

States and international copyright laws.

Manual Part Number

G3170-90037

Edition

Fourth edition, January 2012

Replaces G3170-90021

Printed in USA

Agilent Technologies, Inc.

5301 Stevens Creek Boulevard

Santa Clara, CA 95052

Warranty

The material contained in this docu-

ment is provided “as is,” and is sub-

ject to being changed, without notice,

in future editions. Further, to the max-

imum extent permitted by applicable

law, Agilent disclaims all warranties,

either express or implied, with regard

to this manual and any information

contained herein, including but not

limited to the implied warranties of

merchantability and fitness for a par-

ticular purpose. Agilent shall not be

liable for errors or for incidental or

consequential damages in connec-

tion with the furnishing, use, or per-

formance of this document or of any

information contained herein. Should

Agilent and the user have a separate

written agreement with warranty

terms covering the material in this

document that conflict with these

terms, the warranty terms in the sep-

arate agreement shall control.

Safety Notices

CAUTION

A CAUTION notice denotes a

hazard. It calls attention to an

operating procedure, practice, or

the like that, if not correctly

performed or adhered to, could

result in damage to the product or

loss of important data. Do not

proceed beyond a CAUTION notice

until the indicated conditions are

fully understood and met.

WARNING

A WARNING notice denotes a

hazard. It calls attention to an

operating procedure, practice, or

the like that, if not correctly

performed or adhered to, could

result in personal injury or death.

Do not proceed beyond a

WARNING notice until the

indicated conditions are fully

understood and met.

5975 Series MSD Troubleshooting and Maintenance Manual 3

Contents

1 Introduction

5975 Series MSD Version 10

Abbreviations Used 11

The 5975 Series MSD 13

MSD Hardware Description 15

Electron Ionization (EI) systems 16

Chemical Ionization (CI) systems 16

Changing modes 17

Important Safety Warnings 18

Hydrogen Safety 20

Safety and Regulatory Certifications 25

Cleaning/Recycling the Product 28

Moving or Storing the MSD 28

2 General Troubleshooting

Troubleshooting Tips and Tricks 30

General Symptoms 31

Chromatographic Symptoms 33

Mass Spectral Symptoms 38

Pressure Symptoms 42

Temperature Symptoms 45

Error Messages 47

Air Leaks 53

Contamination 54

4 5975 Series MSD Troubleshooting and Maintenance Manual

3 CI Troubleshooting

Common CI-Specific Problems 58

Troubleshooting Tips and Tricks 59

Air Leaks 60

Pressure-Related Symptoms 64

Signal-Related Symptoms 68

Tuning-Related Symptoms 77

4 General Maintenance

Before Starting 84

Maintaining the Vacuum System 89

To Remove the MSD Covers 90

To Connect the Micro-Ion Vacuum Gauge 92

To Move or Store the MSD 94

To Check and Add Foreline Pump Oil 96

To Drain the Foreline Pump 98

To Refill the Foreline Pump 100

To Check the Diffusion Pump Fluid 101

To Separate the MSD from the GC 103

To Reconnect the MSD to the 7890A GC/7820A/6890 GC 105

To Reconnect the MSD to the 6850 GC 106

To Refill the EI Calibration Vial 109

To Purge the Calibration Valves 111

To Remove the EI Calibration and Vent Valve Assembly 112

To Reinstall the EI Calibration and Vent Valve Assembly 113

To Replace the Fan for the High Vacuum Pump 114

5975 Series MSD Troubleshooting and Maintenance Manual 5

To Remove the Micro-Ion Vacuum Gauge 116

To Reinstall a Micro-Ion Vacuum Gauge 117

To Lubricate the Side Plate O-Ring 118

To Lubricate the Vent Valve O-Ring 120

To Remove the Diffusion Pump 122

To Replace the Diffusion Pump Fluid 124

To Reinstall the Diffusion Pump 127

To Remove the Foreline Gauge 129

To Reinstall the Foreline Gauge 130

Maintaining the Analyzer 131

Maintaining the GC/MSD Interface 153

Maintaining the Electronics 157

5 CI Maintenance

To Clean the CI Ion Source 164

To Minimize Foreline Pump Damage from Ammonia (Standard

Pump) 166

To Replace the Methane/Isobutane Gas Purifier 167

To Clean the Reagent Gas Supply Lines 168

To Refill the CI Calibrant Vial 169

6 Vacuum System

Overview 172

Vacuum System Components 173

Common Vacuum System Problems 174

Foreline Pump 175

High Vacuum Pump 178

6 5975 Series MSD Troubleshooting and Maintenance Manual

Diffusion pump system 178

Turbo pump system 178

Analyzer Chamber 179

Diffusion pump version 179

Turbo pump version 179

Side Plate 180

Vacuum Seals 182

Foreline Gauge 184

Diffusion Pump and Fan 185

Turbo Pump and Fan 191

Calibration Valves and Vent Valve 192

Micro-Ion Vacuum Gauge 195

7 Analyzer

Overview 198

EI Ion Source 200

CI Ion Source 202

Filaments 204

Other Source Elements 206

Quadrupole Mass Filter 208

Detector 211

Analyzer Heaters and Radiators 213

8 Electronics

Local Control Panel and Power Switch 217

Side Board 218

Electronics Module 219

5975 Series MSD Troubleshooting and Maintenance Manual 7

LAN/MS Control Card 223

Power Supplies 224

Back Panel and Connectors 225

Interfacing to External Devices 228

9 Parts

To Order Parts 232

Electronics 233

Local Control Panel 238

Vacuum System 240

Analyzer 250

EI GC/MSD Interface 259

Consumables and Maintenance Supplies 260

CI Parts 265

Index 271

8 5975 Series MSD Troubleshooting and Maintenance Manual

Agilent 5975 Series MSD

Troubleshooting and Maintenance Manual

Agilent Technologies

Introduction

5975 Series MSD Version 10

Abbreviations Used 11

The 5975 Series MSD 13

Physical description 13

Local control panel 13

Vacuum gauge 13

MSD Hardware Description 15

Important Safety Warnings 18

Many internal parts of the MSD carry dangerous voltages 18

Electrostatic discharge is a threat to MSD electronics 18

Many parts are dangerously hot 19

The oil pan under the standard foreline pump can be a fire hazard 19

Hydrogen Safety 20

Dangers unique to GC/MSD operation 21

Hydrogen accumulation in an MSD 21

Precautions 23

Safety and Regulatory Certifications 25

Information 25

Symbols 26

Electromagnetic compatibility 27

Sound emission declaration 27

Cleaning/Recycling the Product 28

Moving or Storing the MSD 28

This manual describes the troubleshooting and maintenance of the Agilent

Technologies 5975 Series Mass Selective Detector (MSD). It assumes

familiarity with the procedures and information detailed in the 5975 Series

MSD Operation Manual and with the Agilent MSD ChemStation software.

10 5975 Series MSD Troubleshooting and Maintenance Manual

1Introduction

5975 Series MSD Version

5975 Series MSDs are equipped with a diffusion pump or one of two

turbomolecular (turbo) pumps. The serial number label displays a product

number (Table 1) that indicates what kind of MSD you have.

Table 1 Available high vacuum pumps

Model name Product number Description Ionization modes

5975C TAD VL MSD G3170A Diffusion Pump MSD Electron impact (EI)

5975C TAD inert MSD

5975C TAD inert XL MSD

G3171A

G3172A

Standard Turbo MSD

Performance Turbo MSD

Electron impact (EI)

5975C TAD inert XL EI/CI

MSD

G3174A CI Performance Turbo Pump Electron impact (EI)

Negative chemical ionization (NCI)

Positive chemical ionization (PCI)

7820 VL MSD G3175A Diffusion Pump MSD Electron impact (EI)

7820 MSD G3176A Standard Turbo MSD Electron impact (EI)

Este manual sirve para los siguientes modelos

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