IBM 8852 - BladeCenter H Rack-mountable, Service Manual

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Attention: Note the position of the midplane between the locating tabs on
each end of the lower ac cable bracket. The replacement midplane must be
positioned correctly between the tabs to avoid damaging the midplane.
10.
Pull the bottom of the midplane away from the shuttle; then, lift the midplane
out of the tabs in the lower ac cable bracket.
Note: The lower ac cable bracket will slide out as you pull the midplane
away from the shuttle.
11. If you are instructed to return the midplane, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
Installing the midplane
To install the midplane, complete the following steps.
Screws (15)
Guide pin
Locating tabs
Upper AC
cable bracket
Guide pins
Media tray connector
Lower AC cable bracket
1.
Make sure that the lower ac cable bracket is pulled away from the shuttle.
Attention: Make sure that the midplane is properly positioned between the
locating tabs to prevent damage to the midplane.
2.
Place the bottom edge of the midplane between the locating tabs on each end
of the lower ac cable bracket.
3. Rotate the upper ac cable bracket up and hold it in position; then, push the
midplane into position. Make sure that the guide pins in the center of the
shuttle are properly seated in the corresponding holes in the midplane.
Note: You may have to lift the cables from the upper ac cable bracket to
provide clearance for the midplane.
4. Install the 15 screws that attach the midplane to the shuttle.
5.
Install the guide pin on the right side of the midplane, above the media tray
connector.
6. Tighten the captive thumbscrew on the upper ac cable bracket.
7.
Reconnect the rear LED/serial connector assembly cable to the midplane
connector.
Chapter 4. Removing and replacing BladeCenter components
57