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073-1253 Rev. A 9
© 2009 Apple Inc. All rights reserved.
18 Disconnect 3 cables
from logic board.
Using long-handled 19
Phillips #1 screwdriver,
loosen 6 captive
screws.
Rotate computer to 20
stand vertically. Using
2.5 mm hex driver,
remove 5 mushroom-
head screws.
21 To release 2 latches
holding front fan to
cage, press down on
bottom of cage while
using atblade
screwdriver to release
latch from top of
cage.
Slide fan partway 22
into cage, so that fan
clears enclosure.
Repeat steps 4 and 5 23
for rear fan.
Note: Processor cage includes two fans, one at each end of cage. Before removing cage from
enclosure, you must release 2 latches on each fan and push fans partway into cage.