NEC NP-NC900C-A Service Manual page 89

KEY PART REPLACEMENT (Method of disassembly/Photo taken from life)
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Please put Fan 14 module on the desk. And, loosen 4 plastic screws on the Fan14 module.
Then, pull out 4 plastic screws and 1 pc wire to take off the Fan 14.
Loosen 2 screws on the Fan15 module. Then, take off the Fan 15 module. Loosen 4 plastic
screws on Fan 15 module to take out the Fan 15.
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