5 General Maintenance
5975/5977 Series MSD Operating Manual 135
To Remove the EI HES filaments
Materials needed
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
• Cloths, clean (05980-60051)
• T6 Torx driver, (8710-2548)
Procedure
1 Vent the MS. (See “Vent the MSD” on page 104.)
2 Open the analyzer chamber. (See “To Open the Analyzer Chamber” on
page 119.)
3 Remove the ion source and place it on a clean cloth on your work surface.
(See “To Remove the EI HES” on page 121.)
Always wear clean gloves to prevent contamination when working in the
analyzer chamber.
The analyzer, GC/MS interface, and other components in the analyzer
chamber operate at very high temperatures. Do not touch any part until you
are sure it is cool.