Operating in Electron Impact (EI) Mode 3
To Vent the MS
Operation Manual 69
To Vent the MS
Procedure
1 Click the MS Tune icon from the Instrument Control panel.
2 Select the Vacuum Control tab. See Figure 21.
3 Set the GC/MS interface heater and the GC oven
temperatures to ambient (room temperature).
4 When the GC temperatures have reached 30 °C, turn off the
flow of carrier gas.
5 Click the Vent button.
6 Turn off the MS by pressing the power switch. (See Figure 1.)
7 Unplug the MS power cord.
WARNING
The use of hydrogen gas is specifically prohibited with this product.
CAUTION
Be sure the GC oven and the GC/MS interface are cool before turning
off carrier gas flow.
WARNING
Allow the analyzer to cool to near room temperature before touching
it.
CAUTION
When the MS is vented, do not put the Workstation into Instrument
Control view. Doing so will turn on the interface heater, which can
damage the column.
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