TX140 S1 Upgrade and Maintenance Manual 325
Processors
11.3.2 Preliminary steps
Before replacing the processor heat sink, perform the following steps:
Ê If applicable, open the rack door as described in section "Opening the rack
door" on page 61.
Ê Locate the defective server as described in section "Locating the defective
server" on page 54.
Ê Shut down the server and disconnect the AC power cord from the system as
described in section "Shutting down the server" on page 61.
Ê When working on a rack-mounted server, extend it out of the rack as
described in section "Extending the server out of the rack" on page 65.
If further required, remove the server from the rack as described in section
"Removing the server from the rack" on page 66.
Ê Bring the server to its horizontal position.
Ê Open the side / top cover as described in section "Removing the top cover"
on page 67 (rack server) or "Removing the side cover" on page 71 (tower
server).
Ê Remove the fan module as described in section "Removing the fan module"
on page 208.
11.3.3 Removing the processor heat sink
Ê Remove the processor heat sink as described in section "Removing the
processor heat sink" on page 310.
11.3.4 Applying thermal paste
Ê Apply thermal paste to the processor surface as described in section
"Applying thermal paste" on page 319.
11.3.5 Installing the processor heat sink
Ê Install the processor heat sink as described in section "Installing the
processor heat sink" on page 321.
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