Dell PowerEdge R740xd2 EMC Installation and Service Manual - Page 61

Installing cooling fan

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Figure 34. Disconnecting fan 1 cable from PIB connector Next steps Replace the cooling fans. Installing cooling fan Prerequisites 1. Follow the safety guidelines listed in Safety instructions. 2. Power off the system and all attached peripherals. 3. Disconnect the system from the electrical outlet, and disconnect the peripherals. 4. Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system. 5. Open the drive bays, remove all drives, and then close the drive bays. 6. Remove the power supply units. 7. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide available at www.dell.com/poweredgemanuals. 8. Remove the system cover. 9. Remove the air shroud. 10. Remove the internal PERC riser. 11. Move the cables out of the way to access the cooling fan cable connector on the system board. Steps 1. Lower the cooling fan into the cooling fan cage, until the blue release tab clicks into place. 2. Route the cable through the cable retention tabs. 3. Connect the power cable to the connector on the system board. NOTE: If installing cooling fan 1, connect the fan cable connector to the power interposer board (PIB). Installing and removing system components 61

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Figure 34. Disconnecting fan 1 cable from PIB connector
Next steps
Replace the cooling fans.
Installing cooling fan
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
.
2.
Power off the system and all attached peripherals.
3.
Disconnect the system from the electrical outlet, and disconnect the peripherals.
4.
Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system.
5.
Open the drive bays
, remove
all drives
, and then
close the drive bays.
6.
Remove the
power supply units
.
7.
Remove the system from the rack and place it on an ESD work bench. For more information, see the
Rail Installation Guide
available at
www.dell.com/poweredgemanuals
.
8.
Remove the system cover
.
9.
Remove the air shroud
.
10.
Remove the internal PERC riser
.
11.
Move the cables out of the way to access the cooling fan cable connector on the system board.
Steps
1.
Lower the cooling fan into the cooling fan cage, until the blue release tab clicks into place.
2.
Route the cable through the cable retention tabs.
3.
Connect the power cable to the connector on the system board.
NOTE:
If installing cooling fan 1, connect the fan cable connector to the power interposer board (PIB).
Installing and removing system components
61