Agilent Technologies 5975T LTM GC User manual

Agilent Technologies
Agilent 5975T
LTM GC/MSD
Operation Manual

2 5975T LTM GC/MSD Operation Manual
Notices
© Agilent Technologies, Inc. 2010
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
G4360-90007
Edition
First edition, December 2010
Printed in USA
Agilent Technologies, Inc.
5301 Stevens Creek Boulevard
Santa Clara, CA 95052
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The material contained in this docu-
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ject to being changed, without notice,
in future editions. Further, to the max-
imum extent permitted by applicable
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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.

5975T LTM GC/MSD Operation Manual 3
About This Manual
This manual contains information for operating the Agilent 5975T LTM
GC/MSD system.
1 “Introduction”
Chapter 1 describes general information about the 5975T LTM GC/MSD,
including a hardware description, general safety warnings, and hydrogen
safety information.
2 “Installing LTM Columns”
Chapter 2 shows you how to prepare a LTM column module for use with the
MSD, install it in the instrument, and connect it to the inlet and the GC/MSD
interface.
3 “Operating in Electron Impact (EI) Mode”
Chapter 3 describes basic tasks such as setting temperatures, monitoring
pressures, tuning, venting, and pumpdown.
4 “General Maintenance”
Chapter 4 describes routine maintenance tasks performed during normal
operation of the 5975T, such as baking out the column and changing the
source.

4 5975T LTM GC/MSD Operation Manual
Where to Find Information
In addition to this document, Agilent provides several learning products that
document how to install, operate, maintain, and troubleshoot the Agilent
5975T LTM GC/MSD system.
Before operating your instrument, be sure to read the safety and regulatory
information included on the Agilent GC and GC/MS Hardware User
Information & Utilities DVD. The most common safety hazards when working
on the instrument are:
• Burns caused by touching heated areas on or in the instrument
• Release of pressurized gas containing hazardous chemical compounds
caused by opening inlets
• Glass cuts or puncture wounds caused by sharp capillary column ends
• Use of hydrogen as a GC carrier gas
Online User Documentation
Now your Agilent instrument documentation is in one place, at your
fingertips.
The Agilent GC and GC/MS Hardware User Information & Utilities DVD that
ships with your instrument provides an extensive collection of online help,
videos, and books for current Agilent gas chromatographs, mass selective
detectors, and GC samplers. Included are localized versions of the information
you need most, such as:

5 5975T LTM GC/MSD Operation Manual
• Getting Familiar documentation
• Safety and Regulatory guide
• Site Preparation information
• Installation information
•Operatingguides
• Maintenance information
• Troubleshooting details
Agilent Customer Portal
Agilent also provides customized information for the products you own
through a customer portal. This web service provides many customizable
services as well as information related directly to your Agilent products and
orders. Log onto the portal at http://www.agilent.com/chem.

6 5975T LTM GC/MSD Operation Manual

5975T LTM-GC/MSD Operation Manual 7
Contents
1 Introduction
Abbreviations Used 12
The GC/MSD 14
GC/MSD Hardware Description 16
Important Safety Warnings 18
Hydrogen Safety 20
Safety and Regulatory Certifications 24
Cleaning/Recycling the Product 27
Liquid Spillage 27
Moving or Storing the GC/MSD 27
2 Installing LTM Columns
Overview 30
Columns 31
To Install an Inlet Guard Column in the Split/Splitless Inlet 33
To Install an MSD Guard Column in the GC/MSD Interface 38
To Install the LTM Module Assembly in the Instrument 42
To Remove the LTM Module Assembly from the Instrument 47
To Attach the Guard Columns to the LTM CFT Unions 52
To Condition the LTM Column Module 56
3 Operating in Electron Impact (EI) Mode
Operating the GC/MSD from the Data System 61
Operating the GC/MSD from the LCP 61
LCP Status Messages 63

5975T LTM-GC/MSD Operation Manual 8
LCP Menus 65
The GC/MSD Interface 69
Before You Turn On the GC/MSD 71
Pumping Down 73
Controlling Temperatures 73
Controlling Column Flow 73
Venting the MSD 75
To View MSD Analyzer Temperature and Vacuum Status 76
To Set Monitors for MSD Temperature and Vacuum Status 78
To Set the MSD Analyzer Temperatures 79
To Set the GC/MSD Interface Temperature from the
ChemStation 81
To Monitor High Vacuum Pressure 83
To Configure the LTM Column 85
To Measure Column Flow Linear Velocity 87
To Confirm Column Flow 88
To Tune the MSD 89
To Verify System Performance 90
High-Mass Testing (5975T LTM GC/MSDs) 91
To Open the LTM/Guard Column Enclosure Door 94
To Open the LCP/Analyzer Window 95
To Remove the Analyzer Top Cover 95
To Vent the MSD 97
To Open the Analyzer Chamber 99
To Close the Analyzer Chamber 102

5975T LTM-GC/MSD Operation Manual 9
To Pump Down the MSD 106
To Move or Store the Instrument 108
4 General Maintenance
Before Starting 112
Maintaining the Vacuum System 117
Maintaining the Analyzer 118
Maintenance Methods 120
To Change the Septum on the Split/Splitless Inlet 121
To Change the Liner and O-Ring on the Split/Splitless Inlet 123
To Bakeout the Column Flow Path 128
To Bakeout Contaminants from the Split/Splitless Inlet 131
To Remove the EI ion source 132
To Reinstall the EI Ion Source 135

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