Agilent Technologies 5977B Series

7 CI Maintenance 
226 5977B Series MSD Operating Manual
6 Close the analyzer door. (See “To Close the Analyzer Chamber” on
page 196.)
7 Pumpdown the MSD. (See “To Pumpdown the MSD in CI Mode” on
page 124.)
8 Tune the MSD. (See “CI Autotune” on page 121.)