Agilent Technologies 5975C TAD VL MSD Troubleshooting And Maintenance Manual page 24

1
Introduction
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.
24
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.
5975 Series MSD Troubleshooting and Maintenance Manual