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Agilent 7820 GC Service
Replacing the inlet assembly is the reverse of these steps. Pay
attention to rotational orientations of the inlet body, the
preformed insulation and its cup, and positions of the split vent
connection and the heater/sensor cable as you fit the assembly
into the GC.
Replacing the split/splitless inlet top
weldment assembly
1 Turn off all gas flows at their sources.
Turn off the GC main power switch.
Components can be damaged by static electricity:
be sure to wear an ESD strap grounded to the GC
chassis while performing this procedure.
Use the inlet wrench (19251-00100) to loosen the inlet nut and
release the top weldment assembly from the split/splitless inlet.
Disconnect tubing connector blocks at the EPC module locations
(T-10 screwdriver). Take care to make sure sealing O-rings are
not dislodged or damaged.
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