Dell PowerEdge R840 EMC Installation and Service Manual - Page 50

Air shroud, Removing the non-GPU air shroud

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Air shroud The air shroud directs the airflow across the entire system and maintain uniform airflow in the system. Air shroud prevents the system from overheating and is used to maintain uniform airflow inside the system. The system supports two types of air shrouds: • Non-GPU air shroud • GPU air shroud Removing the non-GPU air shroud Prerequisites CAUTION: Never operate your system with the air shroud removed. The system may get overheated quickly, resulting in shutdown of the system and loss of data. 1. Follow the safety guidelines listed in Safety instructions on page 44. 2. Follow the procedure listed in Before working inside your system on page 45. 3. If installed, remove the NVDIMM battery. Steps Hold the air shroud and lift it away from the system. Figure 21. Removing the non-GPU air shroud Next steps 1. Replace the non-GPU air shroud. Installing the non-GPU air shroud Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 44. 2. Follow the procedure listed in Before working inside your system on page 45. 50 Installing and removing system components

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Air shroud
The air shroud directs the airflow across the entire system and maintain uniform airflow in the system. Air shroud prevents the system
from overheating and is used to maintain uniform airflow inside the system. The system supports two types of air shrouds:
•
Non-GPU air shroud
•
GPU air shroud
Removing the non-GPU air shroud
Prerequisites
CAUTION:
Never operate your system with the air shroud removed. The system may get overheated quickly, resulting in
shutdown of the system and loss of data.
1.
Follow the safety guidelines listed in
Safety instructions
on page 44.
2.
Follow the procedure listed in
Before working inside your system
on page 45.
3.
If installed,
remove the NVDIMM battery
.
Steps
Hold the air shroud and lift it away from the system.
Figure 21. Removing the non-GPU air shroud
Next steps
1.
Replace the non-GPU air shroud
.
Installing the non-GPU air shroud
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
on page 44.
2.
Follow the procedure listed in
Before working inside your system
on page 45.
50
Installing and removing system components