27 of 32
Jun 2001
Detectors
Agilent 6890 Gas Chromatograph Service Manual
Nitrogen Phosphorus Detector (NPD) 320
Replacement procedures
Figure 320-15 Top rear panel cutouts
11. Place the new top rear panel on its left-most mounting screw. Work from
left to right and use the screw as a hinge, slide each manifold ID tag
through its cutout in the panel. When all the tags are through the panel,
finish installing the panel on the GC.
12. Install the RFI shield, the pneumatics cover, and the detector top cover.
13. Connect the source gas lines to the manifold. See Figure 320-16.
Figure 320-16 Gas line connections
Insert tip of
pliers here
Front detector
Back detector
Front inlet
Back inlet
Auxiliary
Left most screw slot
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