General Maintenance 6
5977B Series MSD Operating Manual 191
To Replace a Filament in an EI XTR, SS, or Inert Source
Materials needed
• Filament assembly (G7005-60061)
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
• Hex ball driver, 1.5-mm (8710-1570)
Procedure
1 Vent the MSD. (See “Venting the MSD” on page 91.)
2 Open the analyzer chamber. (See “To Open the Analyzer Chamber” on
page 152.)
3 Remove the ion source. (See “To Remove the EI XTR, SS, or Inert Source” on
page 172.)
4 Remove the gold plated screw and washer for the filaments. (See Figure 61
on page 192.)
The analyzer operates at high temperatures. Do not touch any part until you are sure
it is cool.
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