120 Operation Manual
6 General Maintenance
To Assemble the CI Ion Source
To Assemble the CI Ion 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)
Procedure
1 Place the ceramic heater assembly on top of the repeller,
aligning the grooves on the repeller with the slot on the
heater assembly. (Figure 32).
2 Place the repeller on the source body. (Figure 32).
3 Place the assembled parts into the RIS bayonet mount, heater
side first.
4 Align the interface socket in the source body with the
alignment groove in the RIS bayonet mount. Attach with the
two screws.
5 Place the ion focus and ion focus insulator together and
attach with the two screws.
6 Set the filament in place.
CAUTION
Always wear clean gloves when working in the analyzer chamber to
avoid contamination.
CAUTION
While installing, do not overtighten the repeller nut or the ceramic
repeller insulator will break when the source heats up. The nut should
only be finger-tight.
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