5
Operating in EI Mode
To Pumpdown the MSD
140
5977B Series MSD Operating Manual
4
Open the vent valve by turning it counterclockwise 45 degrees. (See
.)
5
Verify that the MSD power cord is plugged into a grounded building’s main
receptacle.
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
box on the side board.
8
Close the vent valve when it makes a hissing sound. (See
.)
The foreline pump will make a gurgling noise. This noise should stop within a
minute. If the noise continues, there is a
large
air leak in your system,
probably at the side plate seal, the interface column nut, or the vent valve.
9
Start the Agilent MassHunter GC/MS Acquisition software.
Figure 47 Vent valve knob
Vent valve knob
Summary of Contents for 5977B CI MSD
Page 1: ...Agilent 5977B Series MSD Operating Manual ...
Page 12: ...12 5977B Series MSD Operating Manual ...
Page 34: ...1 Introduction To Replace the Primary Fuses 34 5977B Series MSD Operating Manual ...
Page 142: ...5 Operating in EI Mode To Pumpdown the MSD 142 5977B Series MSD Operating Manual ...
Page 252: ...8 CI Maintenance To Install the CI Source 252 5977B Series MSD Operating Manual ...
Page 253: ......