Agilent Technologies 5977B Series Operating Manual page 117

Vent valve knob
Figure 39
5 Verify that the MSD power cord is plugged into a grounded building's main
6 Turn on the MSD by pressing the On/Off switch on the front of the MSD.
7 Press lightly on the side board to ensure a correct seal. Press on the metal
8 Close the vent valve when it makes a hissing sound. (See
9 Start the Agilent MassHunter GC/MS Acquisition software.
10 In the Instrument Control view, from the Instrument menu, select MS Vacuum
5977B Series MSD Operating Manual
Vent valve knob
receptacle.
box on the side board.
The foreline pump will make a gurgling noise. This noise should stop within a
minute. If the noise continues, there is a
probably at the side plate seal, the interface column nut, or the vent valve.
Control to display the Vacuum Control dialog. (See
Operating in EI Mode
Figure
air leak in your system,
large
Figure 40 on page 118.)
4
39.)
117