7 General Maintenance
To Install the EI HES
186 7000/7010 Series TQ GC/MS Operating Manual
4 Snap the source into place so that the source mount tabs are flush against
the source mount attachment surface of radiator. Some force is required to
overcome the resistance of the electrical contacts, spring loaded surfaces.
5 Connect the ion source wires. (See “To Connect or Disconnect Wiring to the
EI HES” on page 161.)
6 Install and hand-tighten the source thumbscrews. Do not overtighten the
thumbscrews. (See Figure 60 on page 185.)
7 Close the front analyzer chamber. (See “To Close the Front Analyzer
Chamber” on page 195.)
8 Pumpdown the MS. (See “To Pumpdown the MS” on page 120.)
9 Tune the MS. (See “To Autotune the MS for EI Mode” on page 117.)