106 Troubleshooting and Maintenance Manual
4 General Maintenance
6 Reinstall the vent valve knob.
7 Pump down the MS. See the Agilent 7000 Series Triple Quad GC/MS
Operation Manual.
Figure 12 Vent valve O-ring
Vent valve knob
Vent valve O-ring
Be very careful when reinstalling the vent valve knob. It is possible to cross-thread the
knob and damage the threads in the valve body. Be sure the O-ring stays in place.