7 General Maintenance
To Install the EI HES
7000/7010 Series TQ GC/MS Operating Manual 185
To Install the EI HES
Materials needed
• Gloves, clean, lint-free (Large 8650-0030) (Small 8650-0029)
• Tweezers (8710-2460), Pliers, long-nose (8710-1094)
Procedure
1 Vent the MS. (See “To Vent the MS” on page 124.)
2 Open the front analyzer chamber. (See “To Open the Front Analyzer
Chamber” on page 156.)
3 Align the ion source so that the slotted opening for the lens stack, where the
lens numbers are visible, is on the right side. Also, position it so the two
attachment tabs of the source mount align with the corresponding slots in
the source radiator. (See Figure 60). Slide the ion source into the source
radiator until resistance is felt.
Always wear clean gloves when working in the analyzer chamber to avoid
contamination.
Figure 60. The EI HES radiator
EI HES
thumbscrew
attachment
Slots for source
mount alignment
EI HES thumbscrew
attachment
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