7 General Maintenance
To Install the EI HES Filament
194 5977B Series MSD Operating Manual
To Install the EI HES Filament
Materials needed
• Filament assembly, high efficiency dual filament (G7001-60001)
• 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 3 pins on the dual filament through the rear of the filament block.
(See Figure 62 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 195.)
6 Close the analyzer chamber. (See “To Close the Analyzer Chamber” on
page 220.)
7 Pumpdown the MSD. (See “To Pumpdown the MSD” on page 139.)
8 Autotune the MSD.
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