Lenovo ThinkSystem SR635 - Heat Sink and Microprocessor Replacement; Remove a Heat Sink

Figure 168. Hot-swap power supply installation
After installing the power supply:
1. Connect one end of the power cord to the new power supply connector; then, connect the other end of
the power cord into a properly grounded electrical outlet.
2. If the server is powered off, power on the server. Ensure that both the power input LED and power
output LED on the power supply are lit, indicating that the power supply is operating properly.
Heat sink and microprocessor replacement
Use this information to remove and install a heat sink and microprocessor.
Depending on your configuration, refer to the specific topics to remove or install the heat sink and processor:
• “Remove a heat sink” on page 184
• “Remove a processor” on page 185
• “Install a heat sink” on page 188
• “Install a processor” on page 186
Remove a heat sink
Use this information to remove a heat sink.
“Read the
installation
Guidelines” on
page 79
“Power off
the server for
this task” on
page 11
“ATTENTION:
Static Sensitive Device
Ground package before opening”
on page 82
Notes:
• It may take some time for the heat sink to cool down after the system has been powered down.
• The heat sink is necessary to maintain proper thermal conditions for the processor. Do not power on the
server with the heat sink removed.
184
ThinkSystem SR635 Maintenance Manual