2. Hold the CPU protective cover horizontally, aligning its edges with those of the CPU
socket, and fit the protective cover securely onto the socket. See step (2) in Figure 7-74.
NOTE
An ill-positioned CPU protective cover may damage the pins in the corners of the CPU socket.
3. Close the securing rods. See steps (3) and (4) in Figure 7-74.
Step 14 Place the removed CPU in an ESD bag.
----End
7.38 Installing a CPU
Install a CPU if a CPU has failed or needs to be replaced with a new model.
l Only the personnel authorized by Huawei and Huawei technical support can remove a
CPU from a Huawei server.
l Do not wear ESD gloves during CPU replacement. The gloves may catch on the pins on
the bottom of the CPU and damage it.
Procedure
Step 1 Wear an ESD wrist strap. For details, see 1 Safety Instructions.
Step 2 Remove the CPU to be replaced. For details, see 7.37 Removing a CPU.
Step 3 Take the spare CPU out of its ESD bag.
Step 4 Check that CPU socket does not have bent pins and is free from foreign objects.
If a CPU socket has bent pins or foreign objects, stop installing the CPU and contact Huawei
technical support.
Step 5 Use tissue to clean up the oil, remaining thermal compound, or foreign objects from the
surfaces of the CPU and heat sink.
Step 6 To install a v3 series CPU, install the CPU installation tool first.
1. Wear finger cots and latch the CPU into one side of the CPU installation tool. Figure
7-75 shows the operation procedure.
RH2288 V3 Server
User Guide
7 Replacing Parts
Issue 32 (2019-03-28) Copyright © Huawei Technologies Co., Ltd. 198
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