5 General Maintenance
5975/5977 Series MSD Operating Manual 137
To Install the EI HES Filament
Materials needed
• Filament assembly, high efficiency dual filament (G7001-60061)
• 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 135.)
2 Insert the 3 pins on the dual filament through the rear of the filament block.
(See Figure 42 on page 136.)
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 138.)
6 Close the analyzer chamber. (See “To Close the Analyzer Chamber” on
page 162.)
7 Pumpdown the MSD. (See “To Pump Down the MS” on page 106.)
8 Autotune the MSD.