IBM H Series Installation And Service Manual page 284

15. At the top rear of the CPU Drawer, loosen the two upper retained screws (one
on each side) and slide the outer rear access cover to the rear to remove it.
Retained Screws
H50
16. Loosen the lower retained screws (2 or 3) and slide the inner rear access cover
to the rear to remove it.
17. For Model H50 only; remove the screws from each end of the cross bar at the
top rear of the CPU Drawer, and remove the cross bar.
18. Return to the procedure that directed you to place the drawer into the rear
service position.
Note: The Enterprise Server H Series CPU Drawer must be installed in the topmost
position of the rack unit or have another drawer unit in the position immediately
above it to prevent the drawer from tipping out of the rack unit while in the service
position.
CAUTION:
The stabilizer must be firmly attached to the bottom front of the rack to prevent
the rack from turning over when the drawers are pulled out of the rack. Do not
pull out or install any drawer or feature if the stabilizer is not attached to the
rack.
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RS/6000 Enterprise Server Model H Series Installation and Service Guide
1P 2P 3P 4P 5P 6P 7P 8P/I 9P/I 1P 2P 3P 4P 5P 6P 7P 8P/I 9P/I
Retained Screws
H70
1P 2P 3P 4P 5P 6P 7P 8P 1P 2P 3P 4P 5P 6P 7P 8P