320 Nitrogen Phosphorus Detector (NPD)
Replacement procedures
22 of 32
Jun 2001
Detectors
Agilent 6890 Gas Chromatograph Service Manual
6. Unlock the detector manifold’s ribbon cable from the EPC board and
detach the connector. The adjacent ribbon cable may have to be removed
as well.
Caution Always hold the Type 2 manifold by its support bracket to avoid damaging
board components.
7. Slide the manifold from its slot.
Installing a Type 2 manifold
WARNING Hydrogen gas is flammable and potentially explosive. Before replacing the
manifold, turn off the hydrogen gas at the source.
WARNING Before proceeding, turn off the oven and any heated zones and let them cool
down. Turn off all detector gases at their supply, then turn off the main power
switch and unplug the power cord.
Caution Always hold the manifold as shown below to avoid damaging board
components.
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