8 Maintaining the MMI
To Replace the Filter in the Split Vent Trap for the MMI
138 Maintaining Your GC
Figure 31. Slide trap assembly to expose the filter
6 Remove the old filter cartridge and two O-rings.
7 Verify the new O-rings are seated properly on the new filter cartridge.
8 Install the new filter cartridge then reassemble the trap using your fingers to fully tighten
the knurled nut. The nut should thread easily.
If the knurled nut does not thread easily, loosen, reassemble the 2 parts of the trap, and
thread again. Do not force it.
9 The GC maintenance wizard will perform checks at the appropriate times, including Leak &
Restriction tests, and will automatically reset the maintenance counters.
10 Install the pneumatics cover.
11 Select Finished, then select OK to exit the GC maintenance wizard.
Filter and O-ring
Knurled nut
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