Removing The Npd Electrometer - Agilent Technologies 7820A Service Manual

66
Agilent 7820 GC Service
3 Capillary, high-
temperature
4 Packed
Figure Adaptable NPD jets

Removing the NPD electrometer

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.
Remove both the electronics top cover and the right side cover.
19244-80620 0.47 mm
(0.018
inch)
18710-20119 0.46 mm
(0.018
inch)
61.5
mm
63.6
mm