Agilent Technologies 7820A - Page 176

176 Maintaining Your GC
8 Maintaining the FID
5
From inside the oven with the column installed, pass the
column through the slot in the cup. Move the cup up over the
detector fitting so that the cup touches the top of the oven.
You should be able to see the groove in the fitting.
6 Release the spring into the groove of the fitting.