Agilent 7820 GC Service
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Wait 20 minutes for the detector to heat up, then ignite the flame.
Long cable connectors and leads
Replacing the FPD signal board
If changing the GC configuration, see Changing the GC
configuration ( 167) for important information regarding GC
methods. Then proceed with the steps below.
1 Cool down the oven and all heated zones.
Turn off all gas flows at their sources.
Turn off the GC main power switch and disconnect its power
cord.