Chapter 6. Removing and replacing componentsThere are three types of replaceable components.v Structural parts: Purchase and replacement of structural parts (components, suchas chassis assembly, top cover, and bezel) is your responsibility. If IBM acquiresor installs a structural component at your request, you will be charged for theservice.v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is yourresponsibility. If IBM installs a Tier 1 CRU at your request, you will be chargedfor the installation.v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself orrequest IBM to install it, at no additional charge, under the type of warrantyservice that is designated for your server.See Chapter 5, “Parts listing, IBM System x3550 M4 Type 7914,” on page 183 todetermine whether a component is a structural part, Tier 1 CRU, or Tier 2 CRU.For information about the terms of the warranty, see the Warranty Informationdocument that comes with the server.For more information about getting service and assistance, see Appendix D,“Getting help and technical assistance,” on page 829.Returning a device or componentIf you are instructed to return a device or component, follow all packaginginstructions, and use any packaging materials for shipping that are supplied toyou.Internal cable routing and connectorsThis section provides information about routing the cables when you install somecomponents in the server.For more information about the requirements for cables and connecting devices,see the documentation that comes with these devices.© Copyright IBM Corp. 2012, 2014 197
