Agilent Technologies MSD 5977B Series Operating Manual page 208

7 General Maintenance
To Clean an EI XTR, SS, or Inert Source
Take care to avoid recontaminating cleaned and dried parts. Put on new,
NOTE
clean gloves before handling the parts. Do not set the cleaned parts on a
dirty surface. Set them only on clean, lint-free cloths.
208 5977B Series MSD Operating Manual