Agilent Technologies 7820A

242
Agilent 7820 GC Service
Valve actuator drivers
Replacing a solenoid valve (new style)
To replace a new style solenoid valve:
1 Turn off the valve actuator air supply.
The detector, inlet, oven top, and valve box
may be hot enough to cause burns.
Remove the GC right side cover.
Hazardous voltages are present when the GC
electronics are exposed.
Remove the 2 screws that secure the actuator solenoid bracket
to the GC chassis.