8CI Maintenance
To Disassemble the CI Source
238 5977B Series MSD Operating Manual
To Disassemble the CI Source
Materials needed
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
• Hex ball driver, 1.5 mm (8710-1570)
• Hex ball driver, 2.0 mm (8710-1804)
• Wrench, open-end, 10 mm (8710-2353)
• Nut driver, 5.5 mm (8710-1220)
• Tweezers (8710-2460)
Procedure
Refer to the exploded parts view Figure 78 and CI source parts list Table 24 on
page 239 while using this procedure.
1 Remove the CI source. (See“To Remove the CI Source” on page 235.)
2 Remove the filaments. (See“To Remove the CI Source Filament” on
page 247.)
3 Separate the source heater assembly from the source body. The source
heater assembly includes the source heater, repeller, and related parts.
4 Disassemble the repeller assembly by removing the ceramic insulator from
the repeller.
5 Remove the setscrew securing the lenses to the source body.
6 Pull the lenses out of the source body and separate the lens insulator, ion
focus lens, drawout cylinder, drawout lens, and entrance lens.
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