Agilent Technologies 6890 Series - Changing an Auxiliary Channel Frit

360 Auxiliary EPC
Replacement procedures
14 of 16
Jun 2001
Detectors
Agilent 6890 Gas Chromatograph Service Manual
5. Connect the source gas lines to the manifold. See Figure 360-10.
Figure 360-10 Gas line connections
6. Restore gas pressures and leak check all fittings.
Changing an auxiliary channel frit
1. Locate the block that connects the three gas outlet tubes for the auxiliary
channels to the pneumatics module.
2. Remove the screw that holds the block to the pneumatics module. Pull the
block free of the module and rotate it so that the frits are on top.
Aux 3 outlet
Aux 4 outlet
Aux 5 outlet
Aux 4 frit
Aux 5 frit
Aux 3 frit
Flow block