Lenovo 5458 Installation And Service Manual page 233

What to do next
If you are instructed to return the server component or optional device, follow all
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
Replacing the Operating temperature enhancement kit
Use this information to replace the Operating temperature enhancement kit in the
server.
Before you begin
Read the safety information in "Safety" on page v and "Installation guidelines" on
page 31.
If you are replacing a server component in the server, you need to slide the server
out from the rack enclosure, turn off the server and peripheral devices, and
disconnect the power cords and all external cables.
About this task
To replace the Operating temperature enhancement kit, complete the following steps.
Procedure
1. Connect the Operating temperature enhancement kit to the system board (see
"System-board internal connectors" on page 25 for the location of the Operating
temperature enhancement kit connector on the system board).
2. Route the cable along the chassis. Make sure the relevant cables pass through
the cable clips.
Chapter 6. Removing and replacing server components
217