To Vent The Msd - Agilent Technologies 5975T LTM GC Operation Manual

To Vent the MSD

Procedure

1 Select Vent from the Vacuum menu in the software. Follow the instructions
2 Set the GC/MSD interface heater and the LTM column temperatures to
If you are using hydrogen as a carrier gas, the carrier gas flow must be off before
WA R N I N G
turning off the MSD power. If the turbo pump is off, hydrogen will accumulate in the
MSD and an explosion may occur. Read
MSD with hydrogen carrier gas.
Be sure the LTM column and the GC/MSD interface are cool before turning off carrier
C A U T I O N
gas flow.
3 When prompted, turn off the power switch.
4 Unplug the power cord.
When the MSD is vented, do not put the ChemStation into Instrument Control view.
WA R N I N G
Doing so will turn on the interface heater.
5 Open the LCP window. See
5975T LTM GC/MSD Operation Manual
presented.
ambient (room temperature).
page 95
Operating in Electron Impact (EI) Mode
"Hydrogen Safety"
"To Open the LCP/Analyzer Window"
before operating the
on
97
3