7 General Maintenance
To Install the EI HES Filaments
194 7000/7010 Series TQ GC/MS Operating Manual
To Install the EI HES Filaments
Materials needed
• Filament assembly, high efficiency dual filament (G7002-60001)
• Hex ball driver, 1.5 mm (8710-1570)
• Gloves, clean, lint-free (Large 8650-0030) (Small 8650-0029)
• T6 Torx driver, (8710-2548)
Procedure
1 Remove the old filament. (See “To Remove the EI HES Filaments” on
page 192.)
2 Insert the three pins on the dual filament through the rear of the filament
block. (See Figure 63 on page 192.)
3 Place the filament block in the source mount.
4 Use a T6 Torx screwdriver to tighten the screw securing the filament block to
the source mount.
5 Reinstall the ion source. (See “To Install the EI HES” on page 185.)
6 Close the front analyzer chamber. (See “To Close the Front Analyzer
Chamber” on page 195.)
7 Pumpdown the MS. (See “To Pumpdown the MS” on page 120.)
8 Autotune the MS. (“To Autotune the MS for EI Mode” on page 117.)
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