To Vent The Msd - Agilent Technologies G7035A Operation Manual

3
Operating in Electron Ionization (EI) Mode

To Vent the MSD

Procedure
1
2
3
If you are using hydrogen as a carrier gas, the carrier gas flow must be off before
WARNING
turning off the MSD power. If the foreline pump is off, hydrogen will accumulate in
the MSD and an explosion may occur. Read
operating the MSD with hydrogen carrier gas.
Be sure the GC oven and the GC/MSD interface are cool before turning off carrier gas
CA UT IO N
flow to prevent damage to the column.
76
In Instrument Control view select GC Parameters from the Instrument menu to
display the GC Edit Parameters dialog. Select
temperature to room temperature. Also select
and set those temperatures to room temperature. Click OK to close
and Inlets
the dialog and send this temperature to the GC.
In Instrument Control view select Edit Tune Parameters from the Instrument
menu to display the Manual Tune dialog.
Select the Values tab and set the MS Source and MS Quad temperatures to
ambient (room temperature) and click Apply to download these settings to
the MSD.
and set the oven
Oven
Aux Heaters (MSD Transfer line)
"Hydrogen Safety" on page 19 before
5977 Series MSD Operation Manual