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To Assemble the Extractor EI 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
6
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.
5977 Series MSD Operation Manual
•
Large (8650-0030)
•
Small (8650-0029)
Slide the ceramic washer into the source body.
Insert the extractor lens into the source body, flat side first (See
on page 146).
Insert the entrance lens and ion focus lens into the insulator in the order
shown
(Figure 25
on page 146).
Slide the insulator containing the ion focus and entrance lens into the
source body, with the ion focus lens against the extractor lens (See
Figure 25
on page 146).
Install the two gold plated setscrews that holds the lenses in place.
Assemble the repeller assembly.
a Install the repeller block insert into the source heater block assembly.
(See
Figure 24
on page 143.)
b Install the repeller insulators into the source heater block assembly and
repeller block insert.
c Install the repeller through the repeller insulators, then put the flat
washer followed by the belleville spring washer onto the end of the
repeller shaft and secure finger tight with the repeller nut.
General Maintenance
Figure 25
5
145
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