Thermo Finnigan LTQ - Page 112

MS Detector Maintenance
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4-4 _______________________ Finnigan LTQ Hardware Manual _______________________
For instructions on maintaining LCs or autosamplers, refer to the manual that
comes with the LC or autosampler.
The topics included in this chapter are as follows:
• Tools and supplies
• Frequency of cleaning
• API source maintenance
• Cleaning the Q00 ion guide
• Cleaning the Q0 ion guide
• Cleaning the mass analyzer
• Cleaning the ion detection system
• Replacing the electron multiplier
• Replacing the turbomolecular pump insert
• Cleaning the fan filters
Note. The keys to success with the procedures in this chapter are:
• Proceed methodically.
• Always wear clean, lint-free gloves when handling the components of
the API source, ion guides, mass analyzer, and ion detection system.
• Always place the components on a clean, lint-free surface.
• Never overtighten a screw or use excessive force.