Apple iMac G5 Upper Fan, Education Unit Replacement Instructions Manual
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034-3251 Rev. A
iMac G5
Upper Fan, Education Unit
Replacement Instructions
Follow the instructions in this sheet carefully. Failure to follow these instructions could
damage your equipment and void its warranty.
Note: Online instructions are available at http://www.apple.com/support/doityourself/.
Tools Required
•
Use the enclosed tool; Phillips #2 screwdriver or Torx-8 depending upon what type of
screws are present.
•
Screw tray or something equivalent to hold the screws
Part Location
2 - iMac G5, Upper Fan, Education Unit
Important Things to Know
1.
Don’t remove any screws other than the ones mentioned in this document.
2.
Some iMac G5 models will have silver-colored torx screws securing the fan, others will
have brass-colored Phillips #2 screws. Use the appropriate enclosed tool to remove
the fan screws.
3.
Ground yourself when working on the computer. The procedure will show you how to
ground yourself.
4.
Keep drinks and other liquids away from the area you are working on the iMac.
iMac G5, Upper Fan, Education Unit - 3
Opening the Computer
1.
Turn your computer off by choosing Shut down from the Apple (K) menu.
2.
Disconnect all cables, and unplug the power cord from your computer
3.
Place a soft, clean towel or cloth on the desk or surface. Hold the sides of the
computer and slowly lay the computer face down as shown.
4 - iMac G5, Upper Fan, Education Unit
4.
Locate the three case screws circled below. You may have to lift the metal foot to
locate the middle case screw. Note: These screws are captive; they are part of the
display/bezel assembly and cannot be removed.
Using the tool provided, or a Phillips #2 screwdriver, loosen the three captive screws.
Note: Turn the screws to the left until they stop turning. Don’t force the screws
once they stop turning.
5.
Holding the back cover by the metal foot, tilt the cover up and lift it off the computer.
Set the back cover aside.
iMac G5, Upper Fan, Education Unit - 5
Removing the Upper Fan
1.
Ground yourself. Touch the metal surface (as shown below) on the inside of the
computer to discharge any static electricity.
Warning: Always discharge static electricity before you touch any parts or
install any components inside the computer. To avoid generating static
electricity, do not walk around the room until you have finished installing the
part and closed the computer.
6 - iMac G5, Upper Fan, Education Unit
2.
Locate the upper fan.
3.
Using the tool provided (Torx or Phillips), loosen the two fan screws and disconnect
the cable. Note: You don’t have to remove the screws from the rubber grommets to
remove the fan, just loosen the screws.
iMac G5, Upper Fan, Education Unit - 7
4.
Lift the fan out of the computer.
5.
Remove the screws from the fan grommets and use them on the replacement fan.
Using a screwdriver, push the fan screws out of the grommets and set them aside.
8 - iMac G5, Upper Fan, Education Unit
Installing the Replacement Fan
1.
Remove the replacement hard drive from its packaging.
2.
Lower the fan into the chassis, lining up the screws with the screws holes. Place the
screws into the rubber grommets and tighten the two fan screws.
3.
Connect the fan cable to the board.
iMac G5, Upper Fan, Education Unit - 9
Closing the Computer
1.
Replace the cover so that the slots on the top edge of the back cover mate with the
tabs on the display housing.
2.
Lower and press the cover into place until it fits snugly on the computer.
10 - iMac G5, Upper Fan, Education Unit
3.
Tighten the three captive case screws by turning them to the right. Don’t overtighten
the screws
4.
Reconnect the power cord while the computer is face down and then position the
computer in the upright position.
iMac G5, Upper Fan, Education Unit - 11
Apple Computer, Inc.
© 2005 Apple Computer, Inc. All rights reserved.
This document is protected under U.S. Copyright Law and International Treaties, and no
part of this document may be reproduced in any form without written permission from
Apple.
Apple is not responsible for typographical, printing, or inadvertent errors.
Apple Computer, Inc.
1 Infinite Loop
Cupertino, CA 95014-2084
USA
+ 1 408 996 1010
http://www.apple.com
Apple, the Apple logo, iMac and Macintosh are trademarks of Apple Computer, Inc.,
registered in the U.S. and other countries.
