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Chapter 3
Maintaining a Large Volume Splitless Injector
Large Volume Splitless Injector Maintenance
The LVSL (Large Volume Splitless) injector will normally be serviced by Thermo
Fisher Scientific authorized technical personnel.
In order to operate at peak performances, the injector requires periodic
maintenance from the user. This maintenance includes:
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•
•
When replacing the septum
The septum should be replaced at least after every 200 injections, or every time a
problem related to septum damage or wear occurs (refer to Chapter 19,
Troubleshooting
It is a good practice to change the septum with a new one every time the liner is
replaced.
When cleaning or replacing the liner
The liner must be replaced periodically, depending on the number of injections
performed and the characteristics of the samples injected. Typical symptoms will
indicate that the liner must be replaced (refer to Chapter 19,
Troubleshooting). The most common is the appearance of tailing peaks in the
chromatogram, particularly for polar compounds.
It is good practice to replace the septum every time the liner is replaced.
You can replace the liner with a new one or clean the liner and reinstall it.
Table 3-2,
indications for the correct choice.
This operating sequence describes how to:
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•
56
the replacement of the septum
the cleaning or replacement of the liner
the replacement of the split line tubing
for more information).
LVSL available
Remove the liner and the septum
Clean and reinstall the liner
liners, shows the available types of liners and the
Maintenance and Troubleshooting Manual
Large Volume Splitless Injector Maintenance
Analytical
Analytical
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Troubleshooting
