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Chapter 4. Hardware maintenance information
This chapter contains information about customer-replaceable units (CRUs) for the console unit and
instructions for replacement parts.
Replaceable components
Tier 1 CRU: Replacement of Tier 1 CRUs is your responsibility. If Lenovo® installs a Tier 1 CRU at your
request without a service contract, you will be charged for the installation.
Tier 2 CRU: You may install a Tier 2 CRU yourself or request Lenovo to install it, at no additional charge,
under the type of warranty service that is designated for your product.
For more information about the terms of the warranty and getting service and assistance, see the Warranty
Information document that comes with the optional device.
CRU part numbers are subject to change without notice. This section contains a listing of the CRU part
numbers that are available as of the date of this document was written.
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