52
Agilent 7820 GC Service
Remove the four T-20 screws retaining the FID assembly to the
GC.
Lift the entire FID assembly up and off of the GC.
Lay the assembly down on a clean flat surface.
Examine the underside of the detector assembly.
Remove the insulated cover over the heater block.
Loosen the heater/sensor cable sufficiently to allow for the lifting
and removal of the heater from the heater block.
Carefully remove the defective heater/sensor cable and replace it
with a new heater/sensor cable.
Reassembly is the reverse of these steps.
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