Agilent Technologies 7820A Manual page 221

Maintaining Your GC
Remove the protective cap covering the new bead.
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Mount the new bead assembly on the NPD lid. Be careful not
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to bump the bead on the sides of the lid or collector.
Replace the screws. Finger-tighten the first screw; tighten the
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remaining screws normally and then completely tighten the
first screw. Do not overtighten the screws.
Carefully bend the bead assembly cable 90 °.
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Maintaining the NPD
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