Dell OptiPlex GXa Service Manual - Page 119

System Battery, To remove the SEC cartridge/heat sink assembly, follow these steps

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To remove the SEC cartridge/heat sink assembly, follow these steps: 1. Remove the system power supply. WARNING: The SEC cartridge/heat sink assembly can get extremely hot during system operations. Be sure that the assembly has had sufficient time to cool before touching it. 2. Locate the SEC cartridge/heat sink assembly. 3. Disconnect the microprocessor fan connector from the 3-pin connector on the system board (labeled "FAN"), located between the SERIAL 2 connector and the MONITOR connector (see Figure 5-18). 4. Release the two securing clips near the base of the heat sink from the metal standoffs, as shown in Figure 5-22. 5. Locate and press inward on the SEC cartridge release latches (located directly on top of the SEC cartridge adjacent to the heat sink assembly) until the latches click. 6. Lift the SEC cartridge/heat sink assembly out of its guide bracket assembly/connector on the system board. NOTE: When installing the SEC cartridge/heat sink assembly, carefully orient the assembly and press firmly with up to 25 pounds of force to mate the SEC cartridge with its connector. Then slide the SEC cartridge release latches outward to lock the assembly onto the metal standoffs. System Battery battery Figure 5-23. System Battery Installation BATTERY socket Removing and Replacing Parts on the Midsize Chassis 5-23

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Removing and Replacing Parts on the Midsize Chassis
5-23
To remove the SEC cartridge/heat sink assembly, follow these steps:
1.
Remove the system power supply.
2.
Locate the SEC cartridge/heat sink assembly.
3.
Disconnect the microprocessor fan connector from the 3-pin connector
on the system board (labeled “FAN”), located between the SERIAL 2
connector and the MONITOR connector (see Figure 5-18).
4.
Release the two securing clips near the base of the heat sink from the
metal standoffs, as shown in Figure 5-22.
5.
Locate and press inward on the SEC cartridge release latches (located
directly on top of the SEC cartridge adjacent to the heat sink assembly)
until the latches click.
6.
Lift the SEC cartridge/heat sink assembly out of its guide bracket
assembly/connector on the system board.
NOTE: When installing the SEC cartridge/heat sink assembly, carefully orient
the assembly and press firmly with up to 25 pounds of force to mate the SEC
cartridge with its connector. Then slide the SEC cartridge release latches out-
ward to lock the assembly onto the metal standoffs.
System Battery
Figure 5-23.
System Battery Installation
WARNING: The SEC cartridge/heat sink assembly can get extremely
hot during system operations. Be sure that the assembly has had suffi-
cient time to cool before touching it.
BATTERY
socket
battery