Agilent Technologies 8890 User manual

Agilent 8890 Gas Chromatograph

Maintaining Your Gas Chromatograph (GC)

Maintaining Your GC

Notices

No part of this manual may be reproduced in

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agreement and written consent from Agilent

Technologies, Inc. as governed by United

States and international copyright laws.

Manual Part Number

G3540-90015

Edition

First edition, January 2019

Printed in USA

Agilent Technologies, Inc.

2850 Centerville Road

Wilmington, DE 19808-1610 USA

安捷伦科技（上海）有限公司

上海市浦东新区外高桥保税区

英伦路412号

联系电话：（800）820 3278

Warranty

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provided “as is,” and is subject to being

changed, without notice, in future editions.

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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 particular purpose. Agilent

shall not be liable for errors or for incidental

or consequential damages in connection

with the furnishing, use, or performance of

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contained herein. Should Agilent and the

user have a separate written agreement

with warranty terms covering the material in

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terms, the warranty terms in the separate

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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.

Maintaining Your GC 3

Contents

1 About Maintaining the GC

Overview of Maintenance 10

Tools and Materials Required for Maintenance 11

Preparing for Maintenance 13

Viewing Status Data 14

Finding a Replacement Part Number 16

2 Removing Covers

To Remove the Detector Top Cover 18

To Remove the Pneumatics Cover 19

To Remove the Electronics Cover 20

3 Maintaining the GC

Consumables and Parts for General GC Maintenance 24

Parts Identification 26

To Change the Hydrogen Sensor Calibration Gas Cylinder 27

4 Maintaining Capillary Columns

Consumables and Parts for Columns 30

To Install a Capillary Column Hanger 32

To Install Capillary Column Clips 33

To Condition a Capillary Column 34

To Cut a Loop from a Column 36

To Reverse a Column and Bakeout Contaminants 37

To Attach a Capillary Column Using UltiMetal Plus Flexible Metal Fittings 39

To Remove the Ferrule From a CFT Fitting 47

5 Maintaining the Split/Splitless Inlet

Consumables and Parts for the Split/Splitless Inlet 50

Exploded Parts View of the Split/Splitless Inlet 53

To Install a Capillary Column with the Split/Splitless Inlet 54

To Change the Septum on the Split/Splitless Inlet 58

To Clean the Septum Seat in the Insert Assembly of the Split/Splitless Inlet 60

4Maintaining Your GC

To Change the Liner and O-Ring on the Split/Splitless Inlet 62

To Replace the Gold Seal on the Split/Splitless Inlet 65

To Replace the Filter in the Split Vent Trap for the Split/Splitless Inlet 67

To Clean the Split/Splitless Inlet 69

To Bakeout Contaminants from the Split/Splitless Inlet 71

6 Maintaining the Purged Packed Inlet

Consumables and Parts for the Purged Packed Inlet 74

Exploded Parts View of the Purged Packed Inlet 77

To Install a Capillary Column with the Purged Packed Inlet 78

To Change the Septum on the Purged Packed Inlet 82

To Clean the Septum Seat in the Purged Packed Inlet 84

To Install an Adapter on the Purged Packed Inlet 86

To Change the O-Ring on the Purged Packed Inlet 87

To Change the Glass Liner on the Purged Packed Inlet 88

To Clean the Purged Packed Inlet 90

To Bakeout Contaminants from the Purged Packed Inlet 92

To Install a Packed Metal Column 93

To Install a Packed Column Adapter onto a Detector 95

To Install a Packed Glass Column 97

To Condition a Packed Column 99

To Install Ferrules on a Packed Metal Column 100

7 Maintaining the COC Inlet

Consumables and Parts for the Cool On-Column Inlet 102

Exploded Parts View of the Cool On-Column Inlet 105

To Install a Capillary Column with the Cool On-Column Inlet 106

To Check the Needle-to-Column Size on the COC Inlet 109

To Change a Septum on the COC Inlet 110

To Install an Insert on the COC Inlet 112

To Clean the COC Inlet 114

To Replace the 7693A Injector Needle Support Guide 116

To Replace a Needle in a Syringe 117

Maintaining Your GC 5

To Replace the Fused Silica Needle in a Syringe for the COC Inlet 118

To Bakeout Contaminants from the COC Inlet 119

8 Maintaining the MMI

Consumables and Parts for the Multimode Inlet 122

Exploded Parts View of the MMI 124

To Install the Column Nut Adapter 125

To Install a Capillary Column with the Multimode Inlet 126

To Change the Septum on the MMI 130

To Clean the Septum Seat in the Insert Assembly of the MMI 132

To Change the Liner and O-Ring on the MMI 134

To Replace the Filter in the Split Vent Trap for the MMI 137

To Clean the Multimode Inlet 139

To Bakeout Contaminants from the MMI 141

9 Maintaining the PTV Inlet

Consumables and Parts for the Programmable Temperature Vaporization Inlet 144

Exploded Parts View of the PTV Inlet 146

To Install a Capillary Column with the Programmable Temperature Vaporization

Inlet 147

To Clean the Septumless Head on the PTV Inlet 150

To Replace the Septumless Head PTFE Ferrule on the PTV Inlet 152

To Change the Septum on the PTV Inlet 154

To Clean the Septum Seat in the Septum Head Assembly of the PTV Inlet 155

To Change the Liner on the PTV Inlet 156

To Replace the Inlet Adapter for the PTV Inlet 158

To Replace the Filter in the Split Vent Trap for the PTV Inlet 160

To Bakeout Contaminants from the PTV Inlet 162

10 Maintaining the VI

Consumables and Parts for the Volatiles Interface 164

Exploded Parts View of the VI 166

To Install a Capillary Column with the Volatiles Interface 167

To Remove the VI Interface 171

6Maintaining Your GC

To Clean the VI 173

To Install the VI Interface 174

To Replace the Filter in the Split Vent Trap for the VI 175

To Bakeout Contaminants from the VI Inlet 177

11 Maintaining the FID

Consumables and Parts for the FID 180

Exploded Parts Views of the Flame Ionization Detector 182

To Install a Capillary Column in the FID 184

To Replace an FID Jet 187

To Perform Maintenance on the FID Collector Assembly 190

To Check the FID Leakage Current 197

To Check the FID Baseline 198

To Install the Optional FID PTFE Chimney Insert 199

To Bakeout the FID 200

12 Maintaining the TCD

Consumables and Parts for the Thermal Conductivity Detector 202

To Install a Capillary Column in the TCD 204

To Bakeout Contaminants from the TCD 207

13 Maintaining the NPD

Consumables and Parts for the NPD 210

Exploded Parts View of the Nitrogen-Phosphorus Detector 212

To Install a Capillary Column in the NPD 213

To Replace the NPD Bead Assembly 216

To Maintain the NPD Collector, Ceramic Insulators, and Jet 220

To Check the NPD Leakage Current 225

To Bakeout the NPD 226

14 Maintaining the ECD

Important Safety Information About the ECD 228

Consumables and Parts for the ECD 230

Exploded Parts View of the Electron Capture Detector 232

Maintaining Your GC 7

To Replace the ECD Fused Silica Indented Mixing Liner and Install the Makeup Gas

Adapter 233

To Install a Capillary Column in the ECD 236

To Bakeout the ECD 238

15 Maintaining the FPD+

Consumables and Parts for the FPD+ 242

Exploded Parts View of the Flame Photometric Detector Plus 244

To Install a Capillary Column to the FPD+ 245

To Change the FPD+ Wavelength Filter 247

To Remove the FPD+ Cover 250

To Replace the FPD+ Ignitor 251

To Install the FPD+ Cover 253

Cleaning the FPD+ Brazement 254

16 Maintaining EPC Modules

Consumables and Parts for the Aux EPC 256

Installing or Replacing Frits in the Aux EPC 258

Consumables and Parts for the PCM 260

Calibrating the PCM Interface 261

Installing or Replacing Frits in the PCM 262

17 Maintaining a Valve

Consumables and Parts for Valves 266

Exploded Parts View of GC Rotary Valves 267

To Replace a Gas Sampling Valve Loop 268

To Align a Rotary Valve Rotor 270

To Replace a Rotary Valve in the Valve Box 271

To Remove the Upper Valve Box 274

To Install the Upper Valve Box 275

ASwagelokConnections

Making Swagelok Connections 278

Using a Swagelok Tee 281

8Maintaining Your GC

Maintaining Your GC 9

1About Maintaining the GC

Overview of Maintenance 10

Tools and Materials Required for Maintenance 11

Preparing for Maintenance 13

Viewing Status Data 14

Finding a Replacement Part Number 16

This section provides an overview of the maintenance procedures included in this document. It

also lists the tools needed for routine maintenance and the information needed to safely

perform the various maintenance task.

1 About Maintaining the GC

Overview of Maintenance

10 Maintaining Your GC

Overview of Maintenance

This manual details the routine tasks needed to maintain the Agilent 8890 Gas Chromatograph

(GC). The procedures assume a basic knowledge of tool use and of GC operation. Readers are,

for example, expected to know how to:

•Safely turn devices on and off

•Load methods

•Change component temperatures, flows, and pressures

•Make typical pneumatic connections using Swagelok and other standard fittings

•Reset GC service counters

•Use the GC touchscreen

Where to find a procedure

Included in this manual are chapters on maintaining the following GC components:

•Capillary Columns

•Split/Splitless Inlet (SSL)

•Purged Packed Inlet (PPI)

•Cool On-Column Inlet (COC)

•Multimode Inlet (MMI)

•Programmable Temperature Vaporization Inlet (PTV)

•Volatiles Interface (VI)

•Flame Ionization Detector (FID)

•Thermal Conductivity Detector (TCD)

•Electron Capture Detector (ECD)

•Nitrogen-Phosphorus Detector (NPD)

•Flame Photometric Detector Plus (FPD+)

•Auxiliary Electronic Pressure Control Module (Aux EPC)

•Pneumatics Control Module (PCM)

•Valves

Each chapter includes:

•A list of the most commonly used consumables and parts for the component

•An exploded parts view of the component

•Detailed procedures for routine maintenance tasks associated with the component

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