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v Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved shirts
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, that might fall
v Avoid dropping any metallic objects, such as paper clips, hairpins, and screws,
Handling static-sensitive devices
Attention:
To avoid damage, keep static-sensitive devices in their static-protective packages
until you are ready to install them.
To reduce the possibility of damage from electrostatic discharge, observe the
following precautions:
v Limit your movement. Movement can cause static electricity to build up around
v The use of a grounding system is recommended. For example, wear an
v Handle the device carefully, holding it by its edges or its frame.
v Do not touch solder joints, pins, or exposed circuitry.
v Do not leave the device where others can handle and damage it.
v While the device is still in its static-protective package, touch it to an unpainted
v Remove the device from its package and install it directly into the server without
v Take additional care when you handle devices during cold weather. Heating
Removing the cover and bezel
To remove the cover and bezel, complete the following steps:
1. Read the safety information that begins on page v and "Installation guidelines"
2. If you are installing or replacing a non-hot-swap component, turn off the server
3. Slide the server out of the rack until the slide rails lock into place.
30
IBM System x3850 M2 and System x3950 M2 Types 7141 and 7233: User's Guide
before working inside the server; do not wear cuff links while you are working
inside the server.
watches.
into the server as you lean over it.
into the server.
Static electricity can damage the server and other electronic devices.
you.
electrostatic-discharge wrist strap, if one is available. Always use an
electrostatic-discharge wrist strap or other grounding system when you work
inside the server with the power on.
metal part on the outside of the server for at least 2 seconds. This drains static
electricity from the package and from your body.
setting down the device. If it is necessary to set down the device, put it back into
its static-protective package. Do not place the device on the server cover or on a
metal surface.
reduces indoor humidity and increases static electricity.
on page 28.
and all attached peripheral devices. Disconnect all power cords; then,
disconnect all external signal cables from the server.
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