1 Model D20 Subsystem 4 Stabilizing Bar
2 19 Inch Rack 5 Front Rack Door
3 Extension Rail Safety Release
Latch
6 System Drawer Release Latch
After completing the service actions, return the Model D20 subsystem to the operating
position.
D20 Operating Position
To return your Model D20 subsystem to the operating position, do the following:
1. Release the rail release latches located on each rail. See the illustration on page
126 for the location of the release tabs.
Note: To release the left rail, pull the release latch up. To release the right rail,
push the right latch down.
2. Release latches must be in the open position. See the illustration on page 126 for
the location of the subsystem release latches.
3. Push the system drawer straight back into the rack until both release latches on the
subsystem have locked into position.
4. If you removed two thumbscrews from the front bezel, replace them at this time.
5. Close the front rack door.
126 Eserver pSeries 7311 Model D10 and Model D20 Service Guide