To Remove The Upper Valve Box - Agilent Technologies Agilent 7890 Series Maintenance Manual

19
Maintaining a Valve

To Remove the Upper Valve Box

WA R N I N G
344
1 Gather a T- 20 Torx screwdriver.
2 Set the valve box to a safe handling temperature (25 °C),
or load the GC maintenance
The oven, inlet, detector, and valve box may be very hot. If they are
hot, wear heat-resistant gloves to protect your hands.
3 Lift and remove the detector cover.
4 Remove the mounting screws from the upper valve box.
Lift up and set aside.
5
method.
Maintaining Your GC