320
Nitrogen Phosphorus Detector (NPD)
Replacement procedures
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.
22 of 32
Detectors
Agilent 6890 Gas Chromatograph Service Manual
Jun 2001