To Correct Leaks In The Multimode Inlet - Agilent Technologies 7890 Series Troubleshooting Manual

7
Checking for Leaks

To Correct Leaks in the Multimode Inlet

150
If the inlet fails a pressure decay test, check the following:
• Check the caps/plugs used in the test—make sure each is
correctly installed and tight.
• If you performed the leak test after performing maintenance,
check for proper installation of the part(s) handled during
the maintenance.
• Check the tightness of the septum nut. See
septum on the Multimode
• Check the septum. Replace if old or damaged.
• Check the insert assembly installation.
• Check the liner and liner O-ring. See
O-ring on the Multimode
• Make sure the inlet temperature remained constant during
the test.
If these items do not resolve the problem, contact Agilent for
service.
To change the
inlet.
To change the liner and
inlet.
Agilent 7890 Series Troubleshooting