5.9 Air Duct
● There are two types of air ducts: air duct for the server with Kunpeng 920 7260,
5250, or 5230 processors and air duct for the server with Kunpeng 920 5220 or
3210 processors. Before replacing the air duct, obtain the spare part based on
the processor model. For details about how to query the server model, see 8.7
Querying the Processor Model of a Server.
● This section uses the server with Kunpeng 920 7260, 5250, or 5230 processors
as an example to describe the internal structure of a server. The procedures for
removing and installing the air duct are the same for the server
congured
with Kunpeng 920 5220 or 3210 processors.
Removing the Air Duct
Step 1 Wear an ESD wrist strap. For details, see 5.2 ESD Protection.
Step 2 Power o the server. For details, see 5.4.2 Powering O the Server.
Step 3 Remove the power cables. For details, see 5.7 PSU.
Step 4 Remove the server. For details, see 5.4.4 Removing the Server and Guide Rails.
Step 5 Remove the chassis cover. For details, see 5.8 Chassis Cover.
Step 6 (Optional) If a full-height full-length riser module is installed in I/O module 1 or
2, remove it. For details, see 5.11 Riser Module.
Step 7 If the server is
congured with a supercapacitor, disconnect the supercapacitor
from the RAID controller card. See Figure 5-35.
TaiShan 200 Server
Maintenance and Service Guide (Model 2280) 5 Removal and Installation
Issue 04 (2020-01-16) Copyright © Huawei Technologies Co., Ltd. 103
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