Dell PowerEdge R440 EMC Installation and Service Manual 1 - Page 56

Installing and removing system components, Safety instructions, Before working inside your system,

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6 Installing and removing system components Safety instructions NOTE: Whenever you need to lift the system, get others to assist you. To avoid injury, do not attempt to lift the system by yourself. WARNING: Opening or removing the system cover while the system is powered on may expose you to a risk of electric shock. CAUTION: Do not operate the system without the cover for a duration exceeding five minutes. Operating the system without the system cover can result in component damage. CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product. NOTE: It is recommended that you always use an antistatic mat and antistatic strap while working on components inside the system. CAUTION: To ensure proper operation and cooling, all bays in the system and system fans must be always populated with a component or a blank. Before working inside your system Prerequisites Follow the safety guidelines listed in Safety instructions. Steps 1. Turn off the system, including all attached peripherals. 2. Disconnect the system from the electrical outlet and disconnect the peripherals. 3. Remove the system cover. After working inside your system Prerequisites Follow the safety guidelines listed in Safety instructions. Steps 1. Install the system cover. 2. Reconnect the peripherals and connect the system to the electrical outlet. 3. Turn on the attached peripherals and then turn on the system. Recommended tools You need the following tools to perform the removal and installation procedures: 56 Installing and removing system components

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Installing and removing system components
Safety instructions
NOTE:
Whenever you need to lift the system, get others to assist you. To avoid injury, do not attempt to lift the system
by yourself.
WARNING:
Opening or removing the system cover while the system is powered on may expose you to a risk of electric
shock.
CAUTION:
Do not operate the system without the cover for a duration exceeding five minutes. Operating the system
without the system cover can result in component damage.
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform troubleshooting and
simple repairs as authorized in your product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow
the safety instructions that are shipped with your product.
NOTE:
It is recommended that you always use an antistatic mat and antistatic strap while working on components inside
the system.
CAUTION:
To ensure proper operation and cooling, all bays in the system and system fans must be always populated
with a component or a blank.
Before working inside your system
Prerequisites
Follow the safety guidelines listed in
Safety instructions
.
Steps
1.
Turn off the system, including all attached peripherals.
2.
Disconnect the system from the electrical outlet and disconnect the peripherals.
3.
Remove the system cover.
After working inside your system
Prerequisites
Follow the safety guidelines listed in
Safety instructions
.
Steps
1.
Install the system cover.
2.
Reconnect the peripherals and connect the system to the electrical outlet.
3.
Turn on the attached peripherals and then turn on the system.
Recommended tools
You need the following tools to perform the removal and installation procedures:
6
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Installing and removing system components