IBM 8646 Hardware Maintenance Manual - Page 55

Removing the support bracket assembly, board internal cable connectors

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Removing the support bracket assembly When working with some options such as hard disk drives and microprocessors, you must first remove the support bracket assembly to access the location of the option. The support bracket assembly consists of a support bracket, an air baffle, and a fan. Do the following to remove the support bracket assembly: 1. Review the information in "System reliability considerations" on page 44. 2. Turn off the server and peripheral devices and disconnect all power cords and then all external cables. 3. Remove the side cover (see "Removing the side cover" on page 45). 4. Disconnect the fan cable connector (J10) from the system board. (See "System board internal cable connectors" on page 41 for connector locations.) Note: Remember to reconnect this cable after you reinstall the support bracket assembly. 5. Carefully pull up on the end of the support bracket assembly that is closer to the rear of the server; then, rotate and lift the support bracket assembly out of the server. 6. Store the support bracket assembly in a safe place. Installing options 47

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Removing the support bracket assembly
When working with some options such as hard disk drives and microprocessors,
you must first remove the support bracket assembly to access the location of the
option. The support bracket assembly consists of a support bracket, an air baffle,
and a fan.
Do the following to remove the support bracket assembly:
1.
Review the information in
“
System reliability considerations
”
on page 44.
2.
Turn off the server and peripheral devices and disconnect all power cords and
then all external cables.
3.
Remove the side cover (see
“
Removing the side cover
”
on page 45).
4.
Disconnect the fan cable connector (J10) from the system board. (See
“
System
board internal cable connectors
”
on page 41 for connector locations.)
Note:
Remember to reconnect this cable after you reinstall the support bracket
assembly.
5.
Carefully pull up on the end of the support bracket assembly that is closer to
the rear of the server; then, rotate and lift the support bracket assembly out of
the server.
6.
Store the support bracket assembly in a safe place.
Installing options
47