Lenovo ThinkServer RD550, User Manual And Hardware Maintenance Manual

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CAUTION:
The heat sink might be very hot. Turn off the server and wait several minutes to let the server cool
before removing the server cover.
Note: Use any documentation that comes with the heat sink and follow those instructions in addition to
the instructions in this topic.
To install or replace a heat sink, do the following:
1. Remove all external media from the drives and turn off all attached devices and the server. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the server.
2. Prepare your server. See “Removing or extending the server from the rack cabinet” on page 61.
3. Remove the server cover. See “Removing the server cover” on page 61.
4. Remove the cooling shroud. See “Removing and reinstalling the cooling shroud” on page 64.
5. Locate the heat sink you want to replace or the place for installing the second heat sink. See “Server
components” on page 25.
Chapter 6
.
Replacing hardware
109