Disassembling Macintosh IIsi System Fan

crwdns2931653:01crwdne2931653:0 System Fan

• The fan recieves power from two contacts on the logic board and has no connector.
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• In all of the years that I have worked on this machine, I have found no good way to remove the fan.
• The best way to start, is to push in here on the side of the fan.
• Being careful not to exert too much force, try to push in, and wiggle the fan outward as such. (2nd Photo)
• You can now lift the fan all the way out, and remove it.
• The Fan Power Contacts on the Logic Board:
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Chris Green

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