IBM 7163, Problem Determination And Service Manual

Page: 73 / 210

Replacing the power-supply structure
To install the replacement power-supply structure, complete the following steps.
1. Align the structure with the alignment pins on the rear of the chassis and with
the connectors on the I/O board, and gently lower the structure into the server.
Make sure that the structure is firmly seated in the chassis.
2. Push the two blue latches of the structure toward the rear of the server until the
latches lock the structure into position.
3. Install all power supplies (see “Replacing the hot-swap power supply” on page
47).
4. Install the top cover (see “Replacing the top cover” on page 42).
5. Connect the cables and power cords (see “Connecting the cables” on page 40
for cabling instructions).
6. Turn on all attached devices and the server.
Removing the top-cover latch bracket
To remove the top-cover latch bracket, complete the following steps.
Retainer screw
Top-cover
bracket
Alignment pins
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 37.
2. Turn off the server and peripheral devices, and disconnect the power cords and
all external cables necessary to replace the device.
3. Remove the top cover (see “Removing the top cover” on page 41).
4. Loosen the retainer screw on the top-cover latch bracket.
5. Grasp the top-cover latch bracket and lift it out of the server.
6. If you are instructed to return the top-cover latch bracket, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Replacing the top-cover latch bracket
To install the replacement top-cover latch bracket, complete the following steps:
1. Align the top-cover latch bracket with the alignment pins on the chassis and
tighten the retainer screw. Make sure that the bracket is securely supported and
fastened.
2. Install the top cover (see “Replacing the top cover” on page 42).
Chapter 4. Removing and replacing server components
57