Dell Precision T7600 (Mid 2012) - Manual (Page 20)

5. Press down on the release latch on the air tunnel base and lift it upwards to remove it from the computer.
6. Repeat the steps to remove the second air tunnel module from the computer.
Installing the Air Tunnel
NOTE: The air tunnel is an optional component and your computer may not ship with it.
1. Install the air tunnel base on the computer chassis.
2. Mount the air tunnel module on the base and press downwards until it clicks into place.
3. Install:
a) optical drive
b) left cover
4. Follow the procedures in After Working Inside Your Computer .
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