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6
Vacuum System
The foreline pumps operate at high temperatures. Do not touch any part until
WAR N IN G
you are sure it is cool.
Procedure
1 Unscrew the cap from the exhaust filter.
2 Pull the filter cartridge out of the filter cap.
3 Insert the new filter cartridge.
4 Align the cap onto the filter and twist the cap counter clockwise to lock it in
To install the IDP pump ballast
Materials needed
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•
•
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The IDP pump operates at high temperatures. Do not touch any part until you
WAR N IN G
are sure it is cool.
The MS must be off and vented, and the foreline pump must be off, before
C AU T I O N
performing this procedure.
Procedure
1 Vent the mass spectrometer (see the Agilent 7250 Accurate-Mass Q-TOF
2 Using a 4 mm hex wrench, unscrew the six screws securing the front cowl.
3 Rotate the cowl over the exhaust port.
4 Unplug the fan connector at the base of the cowl, and remove the cowl.
5 Using a 6 mm hex wrench, remove the ballast plug from the desired gas
108
place.
4 mm hex wrench (8710-2720)
6 mm hex wrench (8710-1839)
14 mm wrench
Ballast (Contact Agilent for this part)
GC/MS System Operating Manual).
ballast port.
7250 Accurate-Mass Q-TOF Troubleshooting and Maintenance Manual
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Troubleshooting
