Agilent Technologies Agilent 7890 Series Maintenance Manual page 283

Maintaining Your GC
Install the upper ceramic insulator and top metal C- ring
22
above the collector. See
23 Install the lid, making sure that the NPD lid standoffs are
in their slots. Hold the lid flat while each of the screws is
tightened until they touch the lid. Tighten each screw
evenly, 1/2 turn at a time, until tight. Do not overtighten.
Slide the electrometer interconnect into the slot on the lid
24
and lower the electrometer into the mounting tray. Be
careful not to touch or bend the spring.
25 Install the J- clamp and screws to secure the electrometer
to the pallet.
Maintaining the NPD
Figure 8.
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