Agilent Technologies 5975 Operation Manual page 25

Operating precautions
• Turn off the hydrogen at its source every time you shut down the GC or
• Turn off the hydrogen at its source every time you vent the MSD (do not
• Turn off the hydrogen at its source every time shutoff valves in an MSD are
• Turn off the hydrogen at its source if a power failure occurs.
• If a power failure occurs while the GC/MSD system is unattended, even if
When using hydrogen gascheck the system for leaks to prevent possible fire
and explosion hazards based on local Environmental Health and Safety (EHS)
requirements. Always check for leaks after changing a tank or servicing the
gas lines. Always make sure the vent line is vented into a fume hood.
5975 Series MSD Operation Manual for MassHunter
MSD.
heat the capillary column without carrier gas flow).
closed (do not heat the capillary column without carrier gas flow).
the system has restarted by itself:
1 Immediately turn off the hydrogen at its source.
2 Turn off the GC.
3 Turn off the MSD and allow it to cool for 1 hour.
4 Eliminate all potential sources of ignition in the room.
5 Open the vacuum manifold of the MSD to atmosphere.
6 Wait at least 10 minutes to allow any hydrogen to dissipate.
7 Start up the GC and MSD as normal.
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Introduction
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