104 Maintaining Your GC
6 Maintaining the Packed Column Inlet
To Install an Insulation Cup on the Packed Column Inlet
1 Gather the following:
• No-hole ferrule
• Column nut
2 Install a plug (for example, a column nut with no-hole
ferrule).
3 Push the cup spring to the right. Slide the cup over the inlet
fitting so that the insulation at the top of the cup is flush
against the oven roof.
4 Place the spring into the groove in the inlet liner. Remove the
column nut and no-hole ferrule.