IBM System x3250 Problem Determination And Service Manual

Also see for System x3250: Installation and user guide Installation guide User guide Specifications

Contents

Chapter 4. Removing and replacing server componentsReplaceable components are of three types: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 charged forthe 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.v Field replaceable unit (FRU): FRUs must be installed only by trained servicetechnicians.See Chapter 3, “Parts listing, Type 4364 or Type 4365 server,” on page 59 todetermine 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 guidelinesBefore you remove or replace a component, read the following information:v Read the safety information that begins on page vii, and the guidelines in“Handling static-sensitive devices” on page 66. This information will help youwork safely.v Before you install optional hardware devices, make sure that the server isworking correctly. Start the server, and make sure that the operating systemstarts, if an operating system is installed, or that a 19990305 error code isdisplayed, indicating that an operating system was not found but the server isotherwise working correctly. If the server is not working correctly, see Chapter 2,“Diagnostics,” on page 11 for diagnostic information.v Observe good housekeeping in the area where you are working. Place removedcovers and other parts in a safe place.v If you must start the server while the cover is removed, make sure that no one isnear the server and that no other objects have been left inside the server.v Do not attempt to lift an object that you think is too heavy for you. If you have tolift a heavy object, observe the following precautions:– Make sure that you 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 heavyobject.– To avoid straining the muscles in your back, lift by standing or by pushing upwith your leg musclesv Make sure that you have an adequate number of properly grounded electricaloutlets for the server, monitor, and other devices.v Back up all important data before you make changes to disk drives.v Have a small flat-blade screwdriver available.v You do not have to turn off the server to install or replace hot-plug UniversalSerial Bus (USB) devices.v Blue on a component indicates touch points, where you can grip the componentto remove it from or install it in the server, open or close a latch, and so on.© Copyright IBM Corp. 2006 65