Agilent 7820 GC Service
199
Replacing the oven door
Be careful! The oven and/or inlet may be hot
enough to cause burns. If the inlet is hot, wear
gloves to protect your hands.
1 If an ALS is installed, remove it.
Remove the GC pneumatics cover and the top back panel.
Remove the six T-20 screws retaining the inlet cover, lift off and
remove the cover.
Open the oven door. This exposes the top of the shaft that
attaches the door to the GC.
The hinge shaft threads completely through its bracket, so that
the threads cannot engage and loosen during use. To remove
the shaft, use a flat- head screwdriver to lift the shaft from the
bottom until it contacts the threads. Hold in place while using a T-
20 driver to loosen the shaft. Turn the T- 20 driver a few times to
engage the threads on the bottom of the shaft with the top
threaded plate of the bottom door hinge.
While supporting the weight of the door, use pliers to pull the
door shaft up and out of the door.
Remove the door.
Installation of the new door is the reverse of these steps.
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