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Chapter 4. Removing and replacing server components
Replaceable components are of three types:
v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your
v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or
v Field replaceable unit (FRU): FRUs must be installed only by trained service
See Chapter 3, "Parts listing," on page 59 to determine whether a component is a
Tier 1 CRU, Tier 2 CRU, or FRU.
For information about the terms of the warranty and getting service and assistance,
see the Warranty and Support Information document.
Installation guidelines
Before you remove or replace a component, read the following information:
v Read the safety information that begins on page vii and the guidelines in
v Observe good housekeeping in the area where you are working. Place removed
v Do not attempt to lift an object that you think is too heavy for you. If you have to
v Back up all important data before you make changes to disk drives.
v Have a small Phillips screwdriver available.
v You do not have to turn off the system-board tray to install or replace hot-swap
v Blue on a component indicates touch points, where you can grip the component
v Orange on a component or an orange label on or near a component indicates
© Copyright IBM Corp. 2011
responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for
the installation.
request IBM to install it, at no additional charge, under the type of warranty
service that is designated for your server.
technicians.
"Handling static-sensitive devices" on page 72. This information will help you
work safely.
covers and other parts in a safe place.
lift a heavy object, observe the following precautions:
– Make sure that you can stand safely without slipping.
– Distribute the weight of the object equally between your feet.
– Use a slow lifting force. Never move suddenly or twist when you lift a heavy
object.
– To avoid straining the muscles in your back, lift by standing or by pushing up
with your leg muscles.
drives or hot-plug Universal Serial Bus (USB) devices. However, you must shut
down the operating system of the system-board tray before you remove the
system-board tray from a chassis.
to remove it or install it, open or close a latch, and so on.
that the component can be hot-swapped, which means that if the system-board
tray and operating system support hot-swap capability, you can remove or install
the component while the system-board tray is running. (Orange can also indicate
touch points on hot-swap components.) See the instructions for removing or
installing a specific hot-swap component for any additional procedures that you
might have to perform before you remove or install the component.
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