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Agilent Technologies Agilent 7890 Series - User Manual

Agilent Technologies Agilent 7890 Series
354 pages
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Agilent Technologies
Agilent 7890 Series
Gas Chromatograph
Maintaining Your GC

Table of Contents

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Agilent Technologies Agilent 7890 Series Specifications

General IconGeneral
BrandAgilent Technologies
ModelAgilent 7890 Series
CategoryMeasuring Instruments
LanguageEnglish

Summary

About Maintaining the GC

Overview of Maintenance

Details routine tasks for maintaining the 7890 Series GC, assuming basic tool and GC operation knowledge.

Tools and Materials Required for Maintenance

Lists common tools and materials needed for most GC maintenance procedures, with specific tools listed in procedure steps.

Maintenance Methods for the 7890 Series GC

Recommends creating and storing GC maintenance methods to prevent damage and injury during maintenance.

Safety Information

Advises reading important safety and regulatory information found in the 7890 Series Safety and Regulatory Information book.

Finding a Replacement Part Number

Introduces the Agilent Parts Finder tool for locating replacement and consumable part numbers.

Removing Covers

To Remove the Detector Top Cover

Provides instructions for removing the detector top cover, which protects detectors, valve box, and valve assembly.

To Remove the Pneumatics Cover

Details how to remove the pneumatics cover, which protects flow manifolds in the back top of the GC.

To Remove the Electronics Cover

Explains how to remove the electronics cover, noting steps differ based on FPD installation.

Maintaining the GC

Consumables and Parts for General GC Maintenance

Lists consumable parts for the hydrogen sensor module accessory and general GC maintenance.

Parts Identification

Illustrates and identifies components for the hydrogen sensor calibration gas setup.

To Change the Hydrogen Sensor Calibration Gas Cylinder

Provides step-by-step instructions for replacing the calibration gas cylinder for the hydrogen sensor.

Using the removable oven door

Explains how to remove and install the GC's removable oven door for easier access.

Maintaining Capillary Columns

Consumables and Parts for Columns

Lists nuts, ferrules, and hardware for capillary columns, with typical use and part numbers.

To Install a Capillary Column Hanger

Provides instructions for selecting a hanger position and inserting the hanger into the GC oven slots.

To Install Capillary Column Clips

Details the process of installing capillary column clips using mounting screws and clips.

To Condition a Capillary Column

Guides on conditioning a capillary column, including gathering materials and setting up the GC.

To Cut a Loop from a Column

Explains how to cut a loop from a column, including loosening the nut and cutting the unwanted loop.

To Reverse a Column and Bakeout Contaminants

Describes how to reverse a column and bakeout contaminants, including disconnecting and reattaching the column.

To Attach a Capillary Column Using SilTite Metal Fittings

Details the procedure for attaching a capillary column using SilTite metal fittings and a swaging tool.

To Disconnect Fused Silica Tubing From a SilTite Fitting

Provides instructions on how to disconnect fused silica tubing from a SilTite fitting.

Maintaining the SplitSplitless Inlet

Consumables and Parts for the SplitSplitless Inlet

Lists various liners, nuts, ferrules, and other consumables for the split/splitless inlet.

Exploded Parts View of the SplitSplitless Inlet

Diagram showing exploded views of the components of the split/splitless inlet.

To Install a Capillary Column with the SplitSplitless Inlet

Step-by-step guide for installing a capillary column into the split/splitless inlet.

To Change the Septum on the SplitSplitless Inlet

Instructions for replacing the septum in the split/splitless inlet, including safety precautions.

To Clean the Septum Seat in the Insert Assembly of the SplitSplitless Inlet

Procedure for cleaning the septum seat in the insert assembly of the split/splitless inlet.

To Change the Liner and O-Ring on the SplitSplitless Inlet

Details on how to change the liner and O-ring in the split/splitless inlet.

To Replace the Gold Seal on the SplitSplitless Inlet

Instructions for replacing the gold seal in the split/splitless inlet, including removing the liner and column.

To Replace the Filter in the Split Vent Line for the SplitSplitless Inlet

Guide for replacing the filter cartridge in the split vent line of the split/splitless inlet.

To Clean the SplitSplitless Inlet

Step-by-step instructions for cleaning the split/splitless inlet, including removing parts and using solvent.

To Bakeout Contaminants from the SplitSplitless Inlet

Procedure for baking out contaminants from the split/splitless inlet by setting temperatures and flows.

Maintaining the Purged Packed Inlet

Consumables and Parts for the Purged Packed Inlet

Lists parts and consumables for the purged packed inlet, including liners, adapters, and septa.

Exploded Parts View of the Purged Packed Inlet

Diagram showing the exploded components of the purged packed inlet.

To Install a Capillary Column with the Purged Packed Inlet

Step-by{0}by{0}step guide for installing a capillary column into the purged packed inlet.

To Change the Septum on the Purged Packed Inlet

Instructions for replacing the septum on the purged packed inlet, including safety precautions.

To Clean the Septum Seat in the Purged Packed Inlet

Procedure for cleaning the septum seat in the purged packed inlet assembly.

To Install an Adapter on the Purged Packed Inlet

Details on how to install an adapter onto the purged packed inlet, including gathering materials.

To Change the O-Ring on the Purged Packed Inlet

Instructions for changing the O-ring on the purged packed inlet.

To Change the Glass Liner on the Purged Packed Inlet

Procedure for changing the glass liner on the purged packed inlet.

To Install an Insulation Cup on the Purged Packed Inlet

Guide for installing an insulation cup on the purged packed inlet.

To Clean the Purged Packed Inlet

Step-by-step instructions for cleaning the purged packed inlet.

To Bakeout Contaminants from the Purged Packed Inlet

Procedure for baking out contaminants from the purged packed inlet.

To Install a Packed Metal Column

Instructions for preparing and installing a packed metal column into the purged packed inlet.

To Install a Packed Column Adapter on a Detector Fitting

Details on installing a packed column adapter onto a detector fitting.

To Install a Packed Glass Column

Step-by-step guide for installing a packed glass column.

To Condition a Packed Column

Procedure for conditioning a packed column according to manufacturer recommendations.

To Install Ferrules on a Packed Metal Column

Instructions for installing ferrules onto a packed metal column.

Maintaining the COC Inlet

Consumables and Parts for the COC Inlet

Lists recommended parts for injections onto fused silica columns and recommended septa for the COC inlet.

Exploded Parts View of the COC Inlet

Diagram showing the exploded components of the COC inlet.

To Install a Capillary Column with the COC Inlet

Step-by-step guide for installing a capillary column into the COC inlet.

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

Procedure for checking the needle size compatibility with the column and insert for the COC inlet.

To Change a Septum on the COC Inlet

Instructions for replacing the septum on the COC inlet, with diagrams for different injection types.

To Install an Insert on the COC Inlet

Procedure for removing the existing insert and installing a new one in the COC inlet.

To Clean the COC Inlet

Step-by-step instructions for cleaning the COC inlet, including component removal and ultrasonic cleaning.

To Replace the 7693 A Injector Needle Support Guide

Details on installing the on-column needle support guide for the 7693A ALS injector.

To Replace the Needle Support Assembly in a 7683 B Injector

Instructions for replacing the needle support assembly in a 7683B injector.

To Replace a Needle in a Syringe

Step-by-step guide for replacing the needle in a syringe.

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

Procedure for replacing the fused silica needle in a syringe used with the COC inlet.

To Bakeout Contaminants from the COC Inlet

Procedure for baking out contaminants from the COC inlet by setting specific temperatures and flows.

Maintaining the MMI

Consumables and Parts for the MMI

Lists consumables and parts for the Multimode Inlet (MMI), including liners, nuts, and ferrules.

Exploded Parts View of the MMI

Diagram showing the exploded components of the Multimode Inlet (MMI).

To Install the Column Nut Adapter

Instructions for installing the column nut adapter onto the MMI inlet base.

To Install a Capillary Column with the MMI

Step-by-step guide for installing a capillary column into the Multimode Inlet (MMI).

To Change the Septum on the MMI

Instructions for changing the septum on the Multimode Inlet (MMI).

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

Procedure for cleaning the septum seat in the insert assembly of the Multimode Inlet (MMI).

To Change the Liner and O-Ring on the MMI

Details on how to change the liner and O-ring on the Multimode Inlet (MMI).

To Replace the Filter in the Split Vent Line for the MMI

Guide for replacing the filter cartridge in the split vent line of the Multimode Inlet (MMI).

To Clean the Multimode Inlet

Step-by-step instructions for cleaning the Multimode Inlet (MMI), including liner removal and solvent cleaning.

To Bakeout Contaminants from the MMI

Procedure for baking out contaminants from the Multimode Inlet (MMI).

Maintaining the PTV Inlet

Consumables and Parts for the PTV Inlet

Lists PTV liners, ferrules, syringes, and other consumables for the PTV inlet.

Exploded Parts View of the PTV Inlet

Diagram showing the exploded components of the PTV inlet.

To Install a Capillary Column with the PTV Inlet

Step-by-step guide for installing a capillary column into the PTV inlet.

To Clean the Septumless Head on the PTV Inlet

Procedure for cleaning the septumless head assembly of the PTV inlet.

To Replace the Septumless Head PTFE Ferrule on the PTV Inlet

Instructions for replacing the PTFE ferrule on the septumless head of the PTV inlet.

To Change the Septum on the PTV Inlet

Instructions for changing the septum on the PTV inlet.

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

Procedure for cleaning the septum seat in the septum head assembly of the PTV inlet.

To Change the Liner on the PTV Inlet

Details on how to change the liner on the PTV inlet.

To Replace the Inlet Adapter for the PTV Inlet

Instructions for replacing the inlet adapter for the PTV inlet.

To Replace the Filter in the Split Vent Line for the PTV Inlet

Guide for replacing the filter cartridge in the split vent line of the PTV inlet.

To Bakeout Contaminants from the PTV Inlet

Procedure for baking out contaminants from the PTV inlet.

Maintaining the VI

Consumables and Parts for the VI

Lists parts for the Volatiles Interface (VI), including clamping plates, adapters, nuts, and ferrules.

Exploded Parts View of the VI

Diagram showing the exploded components of the Volatiles Interface (VI).

To Install a Capillary Column with the VI

Step-by-step guide for installing a capillary column with the Volatiles Interface (VI).

To Remove the VI Interface

Instructions for removing the Volatiles Interface (VI).

To Clean the VI

Procedure for cleaning the Volatiles Interface (VI) using an ultrasonic bath.

To Install the VI Interface

Details on how to install the Volatiles Interface (VI).

To Replace the Filter in the Split Vent Line for the VI

Guide for replacing the filter cartridge in the split vent line of the Volatiles Interface (VI).

To Bakeout Contaminants from the VI Inlet

Procedure for baking out contaminants from the VI inlet.

Maintaining the FID

Consumables and Parts for the FID

Lists nuts, ferrules, hardware, FID parts, subassemblies, and jets for the Flame Ionization Detector (FID).

Exploded Parts Views of the FID

Diagrams showing the exploded components of the Flame Ionization Detector (FID).

Selecting an FID Jet

Guidance on selecting the appropriate FID jet based on application type and fitting.

To Attach a Capillary Column Adapter on an Adaptable FID

Instructions for attaching a capillary column adapter to an adaptable FID.

To Install a Capillary Column in the FID

Step-by-step guide for installing a capillary column into the Flame Ionization Detector (FID).

To Replace the FID Collector Assembly

Procedure for replacing the collector assembly of the Flame Ionization Detector (FID).

To Replace an FID Jet

Instructions for replacing the jet in the Flame Ionization Detector (FID).

To Perform Maintenance on the FID Collector Assembly

Details on performing maintenance on the FID collector assembly, including gathering parts.

To Check the FID Leakage Current

Procedure for checking the leakage current of the Flame Ionization Detector (FID).

To Check the FID Baseline

Procedure for checking the baseline of the Flame Ionization Detector (FID).

To Install the FID Insulation Cup Assembly (Adaptable FID Only)

Instructions for installing the insulation cup assembly on an adaptable FID.

To Install the Optional FID PTFE Chimney Insert

Details on installing the optional PTFE chimney insert into the FID.

To Bakeout the FID

Procedure for baking out the FID detector.

Maintaining the TCD

Consumables and Parts for the TCD

Lists standard and optional TCD column hardware and consumables.

To Install a Capillary Column in the TCD

Step-by-step guide for installing a capillary column into the Thermal Conductivity Detector (TCD).

To Install the Optional TCD Capillary Column Adapter

Instructions for installing an optional capillary column adapter for the Thermal Conductivity Detector (TCD).

To Install a Capillary Column with the Optional TCD Capillary Column Adapter

Guide for installing a capillary column using the optional TCD capillary column adapter.

To Bakeout Contaminants from the TCD

Procedure for baking out contaminants from the Thermal Conductivity Detector (TCD).

Maintaining the uECD

Important Safety Information About the uECD

Provides crucial safety information regarding the uECD's radioactive isotope and handling precautions.

Consumables and Parts for the uECD

Lists consumables and parts for the micro-Electron Capture Detector (uECD).

Exploded Parts View of the uECD

Diagram showing the exploded components of the micro-Electron Capture Detector (uECD).

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

Instructions for replacing the liner and installing the makeup gas adapter for the uECD.

To Install a Capillary Column in the uECD

Step-by-step guide for installing a capillary column into the micro-Electron Capture Detector (uECD).

To Install the Insulating Cup for the uECD

Procedure for installing the insulating cup for the micro-Electron Capture Detector (uECD).

To Bakeout the uECD

Procedure for baking out contaminants from the micro-Electron Capture Detector (uECD).

Maintaining the NPD

Consumables and Parts for the NPD

Lists parts and consumables for the Nitrogen-Phosphorus Detector (NPD), including collectors, beads, and adapters.

Exploded Parts View of the NPD

Diagram showing the exploded components of the Nitrogen-Phosphorus Detector (NPD).

Selecting an NPD Jet

Guidance on selecting the appropriate NPD jet based on fitting type and application.

To Attach a Capillary Column Adapter on an Adaptable NPD

Instructions for attaching a capillary column adapter to an adaptable NPD.

To Install a Capillary Column in the NPD

Step-by-step guide for installing a capillary column into the Nitrogen-Phosphorus Detector (NPD).

To Replace the NPD Bead Assembly

Procedure for replacing the NPD bead assembly, including safety precautions and configuration.

To Maintain the NPD Collector, Ceramic Insulators, and Jet

Instructions for maintaining NPD collector, insulators, and jet, including replacement of related parts.

To Check the NPD Leakage Current

Procedure for checking the leakage current of the Nitrogen-Phosphorus Detector (NPD).

To Bakeout the NPD

Procedure for baking out the Nitrogen-Phosphorus Detector (NPD).

Maintaining the FPD+

Consumables and Parts for the FPD+

Lists supplies for the Flame Photometric Detector (FPD+), including filters, ignitors, and adapters.

Exploded Parts View of the FPD+

Diagrams showing the exploded components of the Flame Photometric Detector (FPD+).

To Install a Packed Column Adapter in the FPD+

Instructions for installing a packed column adapter in the Flame Photometric Detector (FPD+).

To Attach a Capillary Column to the FPD+

Step-by-step guide for attaching a capillary column to the Flame Photometric Detector (FPD+).

To Change the FPD+ Wavelength Filter

Procedure for changing the wavelength filter in the Flame Photometric Detector (FPD+).

To Remove the FPD+ Cover

Instructions for removing the cover of the Flame Photometric Detector (FPD+).

To Replace the FPD+ Ignitor

Procedure for replacing the ignitor in the Flame Photometric Detector (FPD+).

To Install the FPD+ Cover

Instructions for installing the cover of the Flame Photometric Detector (FPD+).

Cleaning the FPD+ Brazement

Guidance on cleaning the brazement of the FPD+, noting precautions for the inert coating layer.

Maintaining the G3435 AG3436 A FPD

Consumables and Parts for the FPD

Lists consumables and parts for the Agilent G3435A/G3436A FPD detector.

Exploded Parts View of the FPD

Diagram showing the exploded components of the G3435A/G3436A FPD detector.

To Install a Capillary Column Adapter in the FPD

Instructions for installing a capillary column adapter into the FPD.

To Attach a Capillary Column to the FPD

Step-by-step guide for attaching a capillary column to the FPD.

To Change the FPD Wavelength Filter

Procedure for changing the wavelength filter in the FPD detector, including PMT safety.

To Remove the FPD Vent Tube

Instructions for removing the vent tube assembly from the FPD.

To Replace the FPD Ignitor

Procedure for replacing the ignitor in the FPD detector.

To Install the FPD Vent Tube and Cover

Instructions for installing the vent tube assembly and cover on the FPD.

Maintaining the Aux EPC

Consumables and Parts for the Aux EPC

Lists Aux EPC consumables and auxiliary channel frits, including O-rings and frits with flow characteristics.

Installing or Replacing Frits in the Aux EPC

Procedure for installing or replacing frits in the Auxiliary EPC block.

Maintaining the PCM

Consumables and Parts for the PCM

Lists consumables for the Pressure Control Module (PCM), including O-rings and proportional valves.

Calibrating the PCM Interface

Procedure for calibrating the PCM interface, including zeroing the pressure sensor.

Installing or Replacing Frits in the PCM

Instructions for installing or replacing frits in the Pressure Control Module (PCM).

Maintaining a Valve

Consumables and Parts for Valves

Lists consumables and parts for valves, including gas sampling and liquid sampling valve types and loops.

Exploded Parts View of GC Rotary Valves

Diagram showing the exploded components of GC rotary valves.

To Replace a Gas Sampling Valve Loop

Instructions for replacing the sample loop in a gas sampling valve.

To Align a Rotary Valve Rotor

Procedure for aligning the rotary valve rotor, including adjusting the set screw.

To Replace a Rotary Valve in the Valve Box

Instructions for replacing a rotary valve within the valve box, including safety warnings.

To Remove the Upper Valve Box

Procedure for removing the upper valve box assembly.

To Install the Upper Valve Box

Instructions for installing the upper valve box assembly, including coupling engagement.

Swagelok Connections

Making Swagelok Connections

Objective and steps for making leak-free tubing connections with Swagelok fittings.

Using a Swagelok Tee

Procedure for using a Swagelok Tee to supply gas from a single source to multiple inputs.

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