Working Inside The Server With The Power On; Removing The Server Cover - Lenovo ThinkServer RD240 Installation And User Manual

v Prevent others from touching the parts and other computer components.
v Before you replace a new part, touch the static-protective package containing the
v Remove the new part from the static-protective package and directly install it in
v Do not place the part on the server cover or other metal surface.
v Take additional care when handling devices during cold weather. Heating

Working inside the server with the power on

The server supports hot-swap devices and is designed to operate safely while it is
turned on and the cover is removed. Follow these guidelines when you work
inside the server with the power on:
v Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved
v Do not allow your necktie or scarf to hang inside the server.
v Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wrist
v Remove items from your shirt pocket, such as pens and pencils. These items
v Avoid dropping any metallic objects into the server, such as paper clips,

Removing the server cover

This section provides instructions on how to remove the server cover.
Attention: For proper cooling and airflow, install the server cover before turning
on the server. Operating the server for more than 30 minutes with the server cover
removed might damage server components.
new part to a metal expansion-slot cover or other unpainted metal surface on
the server for at least two seconds. This reduces static electricity from the
package and your body.
the server without placing it on any other surface. If it is hard for you to do this
in your specific situation, place the static-protective package of the new part on
a smooth, level surface, and then place the new part on the static-protective
package.
reduces indoor humidity and increases static electricity.
Attention
Static electricity that is released to internal server components when the server is turned on
might cause the server to halt, which might result in the loss of data. To avoid this
potential problem, always use an electrostatic-discharge wrist strap or other grounding
system when you work inside the server with the power on.
shirts before working inside the server; do not wear cuff links while you are
working inside the server.
watches.
might fall into the server as you lean over it.
hairpins, and screws.
Attention
Do not open your server or attempt any repair before reading and understanding the Safety
Information and the Warranty and Support Information on the ThinkServer Documentation DVD
that comes with your product, and "Guidelines" on page 19. To obtain a copy of the
publications, go to:
http://www.lenovo.com/support
Chapter 5. Installing, removing, or replacing hardware
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