Lenovo ThinkServer RD550, Руководство пользователя и руководство по техническому обслуживанию аппаратного обеспечения

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2. To reinstall the rack handles, align the five screw holes in the rack handle with the corresponding holes
in the chassis. Install the five screws to secure the rack handle on each side of the server.
Figure 32. Installing the rack handles
Removing and reinstalling the cooling shroud
To access some server components on the system board, remove the cooling shroud. To ensure proper
cooling and airflow, reinstall the cooling shroud before turning on the server.
Removing the cooling shroud
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 59.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Note: Depending on the model, your server might look slightly different from the illustrations in this topic.
To remove the cooling shroud, 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.
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ThinkServer RD550 User Guide and Hardware Maintenance Manual