Dell Precision 400 Service Manual (.pdf) - Page 66

System Power Supply, System Power-Supply Removal

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System Power Supply power supply securing tab DC power cables slot Figure 4-14. System Power-Supply Removal To remove the system power supply, follow these steps: 1. Disconnect the AC power cable from the back of the power supply. 2. Free the system power supply from the securing tab labeled "RELEASE ->," and rotate it to the right until it stops. Press the securing tab to the left to release the power supply. 3. Disconnect the DC power cables from the system board and the drives. 4. Lift the front end of the system power supply, and move it to the right to disengage the power supply from the slot in the chassis. 5. Lift the system power supply from the computer. 4-14 Dell WorkStation 400 Systems Service Manual

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4-14
Dell WorkStation 400 Systems Service Manual
S
ystem Power Supply
Figure 4-14.
System Power-Supply Removal
To remove the system power supply, follow these steps:
1.
Disconnect the AC power cable from the back of the power supply.
2.
Free the system power supply from the securing tab labeled
“
RELEASE
—>
,”
and rotate it to the right until it stops.
Press the securing tab to the left to release the power supply.
3.
Disconnect the DC power cables from the system board and the drives.
4.
Lift the front end of the system power supply, and move it to the right to
disengage the power supply from the slot in the chassis.
5.
Lift the system power supply from the computer.
DC power
cables
power supply
securing tab
slot