Replacing The Fid Interconnect Assembly Or Spring - Agilent Technologies 7820A Service Manual

46
Agilent 7820 GC Service
Replacing the FID interconnect assembly or
spring
1 Cool down the oven.
Turn off the GC main power switch and disconnect its power
cord.
Hazardous voltages are present in the
mainframe when the GC power cord is connected.
Avoid a potentially dangerous shock hazard by
disconnecting the power cord before removing
any GC panels.
Components can be damaged by static electricity:
be sure to wear an ESD strap grounded to the GC
chassis while performing this procedure.
Gather the following:

New FID collector assembly. (See Consumables for the
FID ( 324).)

T-20 Torx screwdriver

1/4-inch nut driver

Tweezers

Lint-free gloves
Shut off the detector and the detector gases and let the detector
cool.
To avoid contaminating the FID, wear clean,
lint-free gloves when handling the collector
assembly.
Disconnect the ignitor cable assembly.