5 General Maintenance
5975/5977 Series MSD Operating Manual 139
To Remove the EI XTR, SS, or Inert Source
Materials needed
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
• Pliers, long-nose (8710-1094)
Procedure
1 Vent the MSD. (See “Vent the MSD” on page 104.)
2 Open the analyzer chamber. (See “To Open the Analyzer Chamber” on
page 119.)
3 Disconnect the wires from the EI source. Do not bend the wires any more
than necessary. (See “To Connect/Disconnect Wiring from the EI XTR, SS,
and Inert Sources” on page 140.)
4 Remove the thumbscrews that hold the ion source in place. (See Figure 50
on page 159.)
5 Pull the ion source out of the source radiator.
The analyzers, 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.
Always wear clean gloves to prevent contamination when working in the
analyzer chamber
Make sure you use an antistatic wrist strap and take other antistatic
precautions before touching analyzer components.
When disconnecting leads, pull on the connectors, not the wires.
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