IBM x3690 X5 Service Manual

Also see for System x3690 X5: Implementation guide Installation and user guide At-a-glance reference guide At-a-glance guide Manual

here,” on page 1, “IBM Dynamic System Analysis” on page 80, and the ProblemDetermination and Service Guide for diagnostic information.v Observe good housekeeping in the area where you are working. Place removedcovers and other parts in a safe place.v Do not attempt to lift an object that you think is too heavy for you. If you haveto lift 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 pushingup with 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-swap powersupplies, hot-swap fans, hot-swap drives, or hot-plug Universal Serial Bus (USB)devices. However, you must turn off the server before you perform any stepsthat involve removing or installing adapter cables, and you must disconnect thepower source before you perform any steps that involve removing or installingriser cards.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.v Orange on a component or an orange label on or near a component indicatesthat the component can be hot-swapped, which means that if the server andoperating system support hot-swap capability, you can remove or install thecomponent while the server is running. (Orange can also indicate touch pointson hot-swap components.) See the instructions for removing or installing aspecific hot-swap component for any additional procedures that you might haveto perform before you remove or install the component.v When you are finished working on the server, reinstall all safety shields, guards,labels, and ground wires.System reliability guidelinesTo help ensure proper cooling and system reliability, make sure that the followingrequirements are met:v Each of the drive bays has a drive or a filler panel and electromagneticcompatibility (EMC) shield installed in it.v There is adequate space around the server to allow the server cooling system towork properly. Leave approximately 50 mm (2 in.) of open space around thefront and rear of the server. Do not place objects in front of the fans. For propercooling and airflow, replace the server cover before you turn on the server.Operating the server for extended periods of time (more than 30 minutes) withthe server cover removed might damage server components.v You have followed the cabling instructions that come with optional adapters.v You have replaced a failed fan within 48 hours.v You have replaced a hot-swap fan within 30 seconds of removal.v You have replaced a hot-swap drive within 2 minutes of removal.262 System x3690 X5 Types 7147, 7148, 7149, and 7192: Problem Determination and Service Guide