Apple Processor Cage Fans warranty Graphics Card, Locate graphics card in slot, 073-1254 Rev. A

Models: Processor Cage Fans Front and Rear

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4Using Phillips #1 screwdriver, loosen 2 captive screws securing card’s bracket to enclosure.

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Contents

Processor Cage Fans, Front and Rear First StepsOpening the Computer Replacement InstructionsRequired Tools Hard DriveRemoving the Installed Fans 073-1254 Rev. A Graphics Card3 Locate graphics card in slot 5 Remove bracket from enclosure7 Move fan to left, which releases retention bar 6 Press button on PCIe fanChecklist for handling card Processor Tray 10 Locate processor tray073-1254 Rev. A 14 Locate PCIe fan PCIe Fan13 Place tray DIMM side up on soft, clean cloth 12 Holding tray by latches, lift it out of computer073-1254 Rev. A Processor Cage15 Remove 2 screws 16 Slide fan up and out of computer 17 Locate processor cage19 Using long-handled Phillips #1 screwdriver, loosen 6 captive screws 073-1254 Rev. A Processor Cage Fans24 Lift cage out of enclosure 25 Locate processor cage fans2009 Apple Inc. All rights reserved 26 Release fan cables from clips on bottom of processor cage27 Release 4 latches on front fan and slide fan out of cage Note Latch #4 is on inside of cage 28 Repeat above step for rear fan3 Repeat above two steps for rear fan Installing the Replacement Fans1 IPosition front fan in cage 2 Slide fan back until it engages with the 4 latchesProcessor Cage PCIe Fan5 Position cage in enclosure Slide PCIe fan to the right to lock card in place 15 Reinstall graphics card in slotProcessor Tray Graphics Card19 Replace hard drive in far-left drive bay Closing the Computer1 Replace access panel Hard Drive