Agilent Technologies 8860 Bedienungsanleitung

Agilent 8860 Gas Chromatograph

Maintaining Your Gas Chromatograph (GC)

Maintaining Your GC

Notices

2019

No part of this manual may be reproduced in

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international copyright laws.

Manual Part Number

G2790-90015

Edition

Second edition, July 2019

First edition, January 2019

Printed in USA

Agilent Technologies (Shanghai) Co., Ltd.

412 Ying Lun Road

Waigaoqiao Free Trade Zone

Shanghai 200131 P.R. China

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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

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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 15

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 37

To Reverse a Column and Bakeout Contaminants 38

5 Maintaining the Split/Splitless Inlet

Consumables and Parts for the Split/Splitless Inlet 42

Exploded Parts View of the Split/Splitless Inlet 45

To Install a Capillary Column with the Split/Splitless Inlet 46

To Change the Septum on the Split/Splitless Inlet 50

To Clean the Septum Seat in the Insert Assembly of the Split/Splitless Inlet 52

To Change the Liner and O-Ring on the Split/Splitless Inlet 54

To Replace the Gold Seal on the Split/Splitless Inlet 57

4Maintaining Your GC

To Replace the Filter in the Split Vent Trap for the Split/Splitless Inlet 59

To Clean the Split/Splitless Inlet 61

To Bakeout Contaminants from the Split/Splitless Inlet 63

6 Maintaining the Purged Packed Inlet

Consumables and Parts for the Purged Packed Inlet 66

Exploded Parts View of the Purged Packed Inlet 69

To Install a Capillary Column with the Purged Packed Inlet 70

To Change the Septum on the Purged Packed Inlet 74

To Clean the Septum Seat in the Purged Packed Inlet 76

To Install an Adapter on the Purged Packed Inlet 78

To Change the O-Ring on the Purged Packed Inlet 79

To Change the Glass Liner on the Purged Packed Inlet 80

To Clean the Purged Packed Inlet 82

To Bakeout Contaminants from the Purged Packed Inlet 84

To Install a Packed Metal Column 85

To Install a Packed Column Adapter onto a Detector 88

To Install a Packed Glass Column 90

To Condition a Packed Column 92

To Install Ferrules on a Packed Metal Column 93

7 Maintaining the Packed Column Inlet

Consumables and Parts for the Packed Column Inlet 96

Exploded Parts View of the Packed Column Inlet 98

To Change the Septum on the Packed Column Inlet 99

To Clean the Septum Seat in the Packed Column Inlet 101

To Install an Adapter on the Packed Column Inlet 103

To Change the O-Ring on the Packed Column Inlet 104

To Change the Glass Liner on the Packed Column Inlet 105

To Install an Insulation Cup on the Packed Column Inlet 107

To Clean the Packed Column Inlet 108

To Bakeout Contaminants from the Packed Column Inlet 110

To Install a Packed Metal Column 111

Maintaining Your GC 5

To Install a Packed Column Adapter on a Detector Fitting 113

To Install a Packed Glass Column 115

To Condition a Packed Column 117

To Install Ferrules on a Packed Metal Column 118

8 Maintaining the COC Inlet

Consumables and Parts for the Cool On-Column Inlet 120

Exploded Parts View of the Cool On-Column Inlet 123

To Install a Capillary Column with the Cool On-Column Inlet 124

To Check the Needle-to-Column Size on the COC Inlet 127

To Change a Septum on the COC Inlet 128

To Install an Insert on the COC Inlet 130

To Clean the COC Inlet 132

To Replace the 7693A Injector Needle Support Guide 134

To Replace a Needle in a Syringe 135

To Replace the Fused Silica Needle in a Syringe for the COC Inlet 136

To Bakeout Contaminants from the COC Inlet 137

9 Maintaining the FID

Consumables and Parts for the FID 140

Exploded Parts Views of the Flame Ionization Detector 142

To Install a Capillary Column in the FID 144

To Replace an FID Jet 147

To Perform Maintenance on the FID Collector Assembly 150

To Check the FID Leakage Current 158

To Check the FID Baseline 159

To Install the Optional FID PTFE Chimney Insert 160

To Bakeout the FID 161

10 Maintaining the TCD

Consumables and Parts for the Thermal Conductivity Detector 164

To Install a Capillary Column in the TCD 166

To Bakeout Contaminants from the TCD 169

6Maintaining Your GC

11 Maintaining the ECD

Important Safety Information About the ECD 172

Consumables and Parts for the ECD 174

Exploded Parts View of the Electron Capture Detector 176

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

Adapter 177

To Install a Capillary Column in the ECD 180

To Bakeout the ECD 182

12 Maintaining the NPD

Consumables and Parts for the NPD 186

Exploded Parts View of the Nitrogen-Phosphorus Detector 188

To Install a Capillary Column in the NPD 189

To Replace the NPD Bead Assembly 192

To Maintain the NPD Collector, Ceramic Insulators, and Jet 196

To Check the NPD Leakage Current 201

To Bakeout the NPD 202

13 Maintaining the FPD+

Consumables and Parts for the FPD+ 204

Exploded Parts View of the Flame Photometric Detector Plus 206

To Install a Capillary Column to the FPD+ 207

To Change the FPD+ Wavelength Filter 209

To Remove the FPD+ Cover 212

To Replace the FPD+ Ignitor 213

To Install the FPD+ Cover 215

Cleaning the FPD+ Brazement 216

14 Maintaining EPC Modules

Consumables and Parts for the Aux EPC 218

Installing or Replacing Frits in the Aux EPC 220

Consumables and Parts for the PCM 222

Calibrating the PCM Interface 223

Installing or Replacing Frits in the PCM 224

Maintaining Your GC 7

15 Maintaining a Valve

Consumables and Parts for Valves 228

Exploded Parts View of GC Rotary Valves 229

To Replace a Gas Sampling Valve Loop 230

To Align a Rotary Valve Rotor 232

To Replace a Rotary Valve in the Valve Box 233

To Remove the Upper Valve Box 236

To Install the Upper Valve Box 237

ASwagelokConnections

Making Swagelok Connections 240

Using a Swagelok Tee 243

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 15

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 8860 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 browser interface

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)

•Packed Column Inlet (PCI)

•Cool On-Column Inlet (COC)

•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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