6
CI Maintenance
To Assemble the CI Ion Source
Materials needed
• Gloves, clean, lint-free
• Hex ball driver, 1.5 mm (8710-1570)
• Hex ball driver, 2.0 mm (8710-1804)
• Wrench, open-end, 10 mm (8710-2353)
Procedure
1
2
3
4
5
Do not overtighten the repeller nut or the ceramic repeller insulators will break when
CA UT IO N
the source heats up. The nut should only be finger-tight.
6
164
•
Large (8650-0030)
•
Small (8650-0029)
Assemble the ion focus lens, entrance lens, and lens insulator.
Slide the drawout plate and the drawout cylinder into the source body
(Figure 31
on page 165).
Slide the assembled lens parts into the source body.
Install the setscrew that holds the lenses in place.
Install the repeller, repeller insulators, washer, repeller nut and source
heater block onto the source body.
Reinstall the filaments using the gold plated screws and spring washers.
5977 Series MSD Operation Manual