7CI Maintenance
To Remove the CI Source Filament
5977C GC/MSD Operating Manual 229
To Remove the CI Source Filament
Materials needed
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
• Hex ball driver, 1.5 mm (8710-1570)
• Tweezers (8710-2460)
Procedure
1 Vent the MSD. (See“To Vent the MSD” on page 109.)
2 Open the analyzer chamber. (See“To Open the Analyzer Chamber” on
page 149.)
3 Remove the CI source. (See“To Remove the CI Source” on page 217.)
4 Remove the screw holding the filament to the CI source body. (See
Figure 76.)
5 Slide the filament off the CI source assembly. (See Figure 76.)
Always wear clean gloves to prevent contamination when working in the
analyzer chamber.
The analyzer, GC/MSD 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.
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