156 5975 Series MSD Operation Manual for MassHunter
5 General Maintenance
To Replace the Electron Multiplier Horn
Materials needed
• Electron multiplier horn (G3170-80103)
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
Procedure
1 Vent the MSD. See “To Vent the MSD” on page 85.
2 Open the analyzer chamber. See “To Open the Analyzer Chamber” on
page 88.
3 Open the retaining clip. Lift the arm of the clip up and then swing the clip
away from the electron multiplier horn.
4 Remove the electron multiplier horn.
Figure 31 Electron multiplier horn
Electron multiplier horn
Retaining clip
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