8 Maintaining the MMI
To Clean the Septum Seat in the Insert Assembly of the MMI
Maintaining Your GC 133
7 Use compressed air or nitrogen to blow away the pieces of steel wool and septum.
8 Line up the tab on the bottom of the insert assembly with the slot on the inlet body and
push down to connect. Slide the locking tab to the left.
9 Firmly press the new septum or Merlin Microseal into the fitting. See “To Change the
Septum on the MMI” on page 130.
10 Replace the septum retainer nut or Merlin cap and finger-tighten. See “To Change the
Septum on the MMI” on page 130.
11 Perform an inlet Leak & Restriction test and reset the maintenance counters.
12 On the GC touchscreen select Maintenance > Inlets > Septum injections, then select Reset
Counter.
13 Exit maintenance mode. Select Maintenance > Instrument > Perform Maintenance >
Maintenance Mode > Finished.
14 Restore the analytical method.
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