48
Agilent 7820 GC Service
To replace the interconnect spring only
1 Pull the spring off the end of the interconnect. Push a new
spring on.
Reassemble the detector.
To replace the interconnect (and spring)
1 Remove the screws at each end of the electrometer body.
DO NOT loosen the screw in the center of the electrometer
cover.
The interconnect is held by a small spring clip. Remove the
screw holding this clip.
Disconnect the ribbon cable that connects the electrometer to the
signal board. Remove the electrometer.
There is a hex section where the interconnect enters the
electrometer. Use a wrench to losen and remove the
interconnect.
Insert a new interconnect and tighten it firmly (do not
overtighten!).
Reassemble the detector.
Replacing the heater
1 Cool down the oven.
Turn off the GC main power switch and disconnect its power
cord.
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