6 Maintaining the Purged Packed Inlet
To Change the Septum on the Purged Packed Inlet
Maintaining Your GC 83
6 Replace the septum retainer nut or Merlin cap and finger-tighten. Tighten the septum
retainer nut until the C-ring is about 1 mm above the nut.
Overtightening the septum nut can cause contamination.
7 On the GC touchscreen, select Maintenance > Inlets > Septum injections, then touch Reset
Counter.
8 The GC maintenance wizard will perform checks at the appropriate times, including Leak &
Restriction tests, and will automatically reset the maintenance counters.
9 Select Finished, then select OK to exit the GC maintenance wizard.
10 Restore the analytical method.
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