230 Cool On-Column Inlet
Replacement procedures
4 of 20
Jun 2001
Inlets
Agilent 6890 Gas Chromatograph Service Manual
Replacement procedures
Replacing the inlet
WARNING Turn off the oven and turn off the inlet you are replacing and let them cool
down. Turn off the carrier gas supply pressure, then turn off the main power
switch and unplug the power cord.
1. From inside the oven, remove the column from the inlet fitting.
2. From the top of the 6890 GC, remove the blue inlet carrier cover (or the
tray bracket, if installed) and the left side cover.
3. Unclip the heater/sensor leads from the connector to the left of the inlet
carrier.
4. Disconnect the inlet plumbing and reroute the plumbing from
underneath the tabs on the left side of the instrument.
EPC inlets: The inlet plumbing terminates in a pneumatics block
connected to the EPC flow manifold with one Torx T-10 screw.
Non-EPC inlets: The inlet plumbing is located in the manual inlet side
carrier. The tubing labelled “C” is connected to the Forward Pressure
Regulator. The line labelled “P” is connected to the septum purge
regulator.
To Next Page
Loading...
Need help?
General
