Agilent Technologies 8697 Mode d’emploi
Agilent 8697 Headspace Sampler
Maintenance
Maintenance Manual
Notices
© Agilent Technologies, Inc. 2021
No part of this manual may be reproduced in
any form or by any means (including
electronic storage and retrieval or translation
into a foreign language) without prior
agreement and written consent from Agilent
Technologies, Inc. as governed by United
States and international copyright laws.
Manual Part Number
G4511-90005
Edition
Second edition, January 2021
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
The material contained in this document is
provided “as is,” and is subject to being
changed, without notice, in future editions.
Further, to the maximum 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 particular purpose. Agilent
shall not be liable for errors or for incidental
or consequential damages in connection
with the furnishing, use, or performance 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
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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.
Maintenance Manual 3
Contents
1 About Maintaining the Headspace Sampler
Overview of Maintenance 6
Where to find a procedure 6
GC and Headspace Automated Maintenance Procedures 7
Tools and Materials Required for Maintenance 8
Safety 8
2 Removing Covers and Components
Automated Maintenance Procedures and Covers 10
Install/Remove the Transfer Line Support Bracket 11
Remove the Pneumatics Cover 12
Remove the Valve Thermal Enclosure 13
Install the Valve Thermal Enclosure 14
Remove the Pneumatics Assembly 15
Remove the Valve/Loop Cover 18
Remove the Tray Assembly 19
3 Maintenance
Clean the Sample Tray Assembly 22
Clean the Oven 24
Replace the Sample Probe 29
Replace the Sample Loop 31
Replace the Sample Loop Adapters 34
Replace the 6 Port Valve 36
Replace the 6 Port Valve Rotor 39
Clean the 6 Port Valve and Rotor 41
Attach the Transfer Line to a Split Splitless or Multimode Inlet 42
Attach the Transfer Line to a Volatiles Interface 44
Attach the Transfer Line to a Purged Packed Inlet 46
Attach the Transfer Line to a Cool On-Column Inlet 48
Remove the Transfer Line from the GC 49
Disconnect the Transfer Line from the GC 50
Maintenance Manual 5
1About Maintaining the Headspace
Sampler
Overview of Maintenance 6
GC and Headspace Automated Maintenance Procedures 7
Tools and Materials Required for Maintenance 8
Safety 8
This section provides an overview of the maintenance procedures included in this document. It
also lists the tools needed for routine maintenance and the safety information one should be
aware of before performing a maintenance task.
1 About Maintaining the Headspace Sampler
Overview of Maintenance
6Maintenance Manual
Overview of Maintenance
This manual details the routine tasks needed to maintain the 8697 Headspace Sampler
(Headspace). The procedures assume a basic knowledge of tool use and of Headspace
operation. Readers are, for example, expected to know how to:
•Safely turn devices on and off
•Prepare and run samples
•Enter and develop methods
•Make typical pneumatic connections using Swagelok and other standard fittings
Where to find a procedure
Included in this manual are sections on maintaining the following Headspace components:
•Fused silica column
•Transfer line
•Sample needle
•Sample loop
•6 port valve
•Oven
•Vial racks
•Tray
1 About Maintaining the Headspace Sampler
GC and Headspace Automated Maintenance Procedures
Maintenance Manual 7
GC and Headspace Automated Maintenance
Procedures
As a part of the GC system, the Headspace responds to GC maintenance requests. When the
GC begins an automated maintenance task, the Headspace settings will change appropriately.
The GC will not begin automated maintenance if the Headspace is preparing samples. Placing
the GC into its maintenance mode also places the Headspace in maintenance mode. See the
GC’s Maintaining Your GC manual for more information.
The GC touchscreen or browser interface also provide access to the following automated
Headspace maintenance procedures:
•Install/remove a transfer line to the GC inlet
•Install/remove fused silica from the transfer line
•Replace the sample probe
•Replace the sample loop
•Replace the six port valve
•Replace the rotor
•Clean the six port valve and rotor
•Clean the oven
•Clean the sample tray assembly
The automated procedures provide step-by-step instructions for your specific HS and GC
configuration. In addition, they also cool down hot zones, adjust gas flows to safe levels for the
task as needed, perform leak tests and other checks, and automatically reset any relevant
Early Maintenance Feedback (EMF) counters. Access them from the touchscreen or browser
interface: Maintenance > Headspace > Perform Maintenance.
Agilent recommends using the automated procedures available at the GC touchscreen or
browser interface whenever possible.
While each maintenance procedure described in this manual refers to its automated version,
each procedure still provides all of the steps needed to complete each task.
1 About Maintaining the Headspace Sampler
Tools and Materials Required for Maintenance
8Maintenance Manual
Tools and Materials Required for Maintenance
Table 1 lists the tools needed for most Headspace maintenance procedures. The specific
tools required to perform a maintenance procedure are listed in step 1 of the procedure.
Safety
Before performing a maintenance task, read the important safety and regulatory information
found in the 8697 Headspace Sampler Safety manual.
Table 1 Required Tools
Too l Description
T- 2 0 To r x D river
T- 20 Torx Key (for working in limited space)
Long T- 20 Torx Driver
Needle nose pliers
3/16-inch wrench
1/4-inch wrench
Two 5/16-inch wrenches
7/16-inch wrench
Column cutter wafer
Lab tissue
Isopropanol (for cleaning fused silica column ends)
Clean, lint-free gloves
Pencil magnet (for placing a valve rotor)
Shop vacuum/vacuum cleaner (for cleaning up broken vial glass)
Maintenance Manual 9
2Removing Covers and Components
Automated Maintenance Procedures and Covers 10
Install/Remove the Transfer Line Support Bracket 11
Remove the Pneumatics Cover 12
Remove the Valve Thermal Enclosure 13
Install the Valve Thermal Enclosure 14
Remove the Pneumatics Assembly 15
Remove the Valve/Loop Cover 18
Remove the Tray Assembly 19
This section describes how to remove covers and components as needed for routine
maintenance.
Only the covers and components listed in this chapter should be removed. Removing other
Headspace covers can compromise the safety features of the instrument, leading to personal
injury or damage to the instrument.
2 Removing Covers and Components
Automated Maintenance Procedures and Covers
10 Maintenance Manual
Automated Maintenance Procedures and Covers
Normally, removing covers is performed as part of some other maintenance. If using the
automated maintenance procedures, that procedure will cool down any hot parts and will
show you how to remove the covers as needed. If not using the automated maintenance
tasks, you must first cool the Headspace heated zones on your own.
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