Dell Precision T7600 (Mid 2012) - Manual (Page 28)

12. Disconnect the system-fan cable from the system fan module and remove the system fan module from the
computer.
13. Remove the rubber tabs that secure the system fan , lift up the fan and remove it from the fan assembly.
Installing the System Fan
1. Tighten the rubber tabs that secure the system fan to the system fan module.
2. Connect the system fan cable to the system fan module.
3. Install the screws that secure the system fan module to the chassis.
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