To Assemble The Ci Source - Agilent Technologies 5977B Series Operating Manual

7 CI Maintenance

To Assemble the CI 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)
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Procedure
Refer to the exploded parts view
Table 24
Always wear clean gloves when working in the analyzer chamber to avoid
C A U T I O N
contamination.
1 Assemble the ion focus lens, entrance lens, and lens insulator.
2 Slide the drawout plate and the drawout cylinder into the source body.
3 Slide the parts assembled in step 1 into the source body.
4 Install the setscrew that holds the lenses in place.
5 Attach the ceramic disk to the repeller and place on top of the source body.
While installing, do not overtighten the repeller nut or the ceramic repeller insulator
C A U T I O N
will break when the source heats up. The nut should only be finger-tight.
6 Place the heater block assembly on top of the source body.
7 Reinstall the dummy filament, and the filament and attach with the
220
• Large (8650-0030)
• Small (8650-0029)
on page 221 while using this procedure.
setscrews.
Figure 72 and the CI source parts list
5977B Series MSD Operating Manual
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