Replacing The Power-Supply Sleeve; Removing The Power Backplane - IBM System x3800 Manual

11. If you are instructed to return the power-supply sleeve, follow all packaging

Replacing the power-supply sleeve

To install the replacement power-supply sleeve, complete the following steps.
10. Turn on all attached devices and the server.

Removing the power backplane

To remove the power backplane, complete the following steps.
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Turn off the server and peripheral devices, and disconnect the power cords and
instructions, and use any packaging materials for shipping that are supplied to
you.
1. Install the power backplane on the power-supply sleeve (see "Replacing the
power backplane" on page 156).
2. Grasp the handle in the middle of the sleeve and push the sleeve into the rear
of the server.
3. Slide the microprocessor tray partially into the server. Do not push the tray all
the way in.
4. Lift the power backplane retention lever on the rear of the power-supply sleeve
and hold it in place with one hand while sliding the microprocessor tray the
rest of the way in. Then, close the microprocessor tray levers and close the
microprocessor-tray release latch.
5. Install the power supplies.
6. Install the memory cards.
7. Install the fans.
8. Install the top cover, front cover (tower model only) and bezel (see "Replacing
the top cover, bezel, and front cover" on page 121).
9. Connect the cables and power cords (see "Connecting the cables" on page
118 for cabling instructions).
on page 115.
all external cables necessary to replace the device.
Power
backplane
Power supply
sleeve
Chapter 4. Removing and replacing server components
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