7 General Maintenance
To Install the EI XTR Source
188 7000/7010 Series TQ GC/MS Operating Manual
6 Close the front analyzer chamber. (See “To Close the Front Analyzer
Chamber” on page 195.)
7 Pumpdown the MS. (See “To Pumpdown the MS” on page 120.)
8 Tune the MS. (See “To Autotune the MS for EI Mode” on page 117.)
Figure 61. Installing the EI XTR source on a 7000 Series MS
Ion source
Thumbscrews
Source radiator
Source heater and
temperature sensor wires