Dell EMC PowerEdge R740xd2 - System Battery; Replacing the System Battery

3 Install the air shroud.
4 Install the system cover.
5 Place the system into the rack. For more information, see the Rail Installation Guide available at www.dell.com/poweredgemanuals.
6 Open the drive bays, install all drives, and then close the drive bays.
7 Install the power supply units.
8 Follow the procedure listed in After working inside your system.
System battery
Replacing the system battery
Prerequisites
WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. For more information, see the safety information that shipped with your
system.
1 Follow the safety guidelines listed in Safety instruction.
2 Power o 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 If applicable, disconnect the power or data cables from expansion card(s).
11 If installed, remove the low prole or full height X1 expansion card risers.
Steps
1 Locate the battery socket.
CAUTION
: To avoid damage to the battery connector, you must rmly support the connector while installing or
removing a battery.
2 Use a plastic scribe to pry out the system battery.
140
Installing and removing system components