Agilent Technologies 7820A Manual page 53

Maintaining Your GC
Completely loosen the two screws that secure the split vent
5
valve in place.
Lift the filter trap assembly and split vent valve from the
6
mounting bracket together and unscrew the split vent front
weldment on the filter trap assembly. Be careful not to stress
the tubing between the split vent valve and the trap.
7 Remove the old filter cartridge and two O-rings.
8 Verify the new O-rings are seated properly on the new filter
cartridge.
Install the new filter cartridge then reassemble the trap. Do
9
not fully tighten yet.
10 Place the filter trap assembly in the mounting bracket and
install the retaining clip.
Install the split vent valve.
11
Fully tighten the split vent front weldment onto the trap.
12
Check for leaks.
13
Maintaining the Split/Splitless Inlet
4
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