Cisco D9040 User And Service Manual page 79

Replacing the Fan,
5. Unplug the front panel connector from the main board.
6. Pull out the cable through the opening in the fan unit.
7. Replace the fan.
8. Mount in reverse order.
Important: Make sure that the cable with the front panel connector goes
through the opening in the fan unit and not below it.
9. Dispose of the old fan.
Do not dispose of the old fan through the household garbage collection system,
but follow your local regulations.
4020024 Rev C
Continued
Service and Maintenance 5-5