Cisco ASR 1002-HX

Step 5
Remove the three screws from the rear of the chassis as shown in the following figure.
Step 6
Rotate the fan tray slightly forward, and then lift it out of the chassis as shown in the following figure.
Cisco ASR 1001-HX Router and Cisco ASR 1002-HX Router Hardware Installation Guide
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Removing and Replacing FRUs
Removing the Fans from a Cisco ASR 1001-HX Router