Dell PowerEdge 4100 Service Manual - Page 55

Power-Supply Paralleling Board

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Power-Supply Paralleling Board cables thumb screw power supply (2) power-supply paralleling board insulator hook slots (11) power-supply paralleling board Figure 4-12. Power-Supply Paralleling Board Removal (Redundant Systems) To remove a power-supply paralleling board, follow these steps: WARNING: Disconnect both power supplies from their AC power source to prevent the possibility of getting shocked. 1. Disconnect the power supplies from the power-supply paralleling board by sliding each power supply toward the back of the computer approximately 1 inch. 2. Disconnect all cables from the power-supply paralleling board. 3. Unscrew the thumb screw. 4. Disengage the board from the eleven hooks holding it to the computer chassis, and then lift the board away from the computer. Removing and Replacing Parts 4-13

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Removing and Replacing Parts
4-13
P
ower-Supply Paralleling Board
Figure 4-12.
Power-Supply Paralleling Board Removal (Redundant
Systems)
To remove a power-supply paralleling board, follow these steps:
1.
Disconnect the power supplies from the power-supply paralleling board
by sliding each power supply toward the back of the computer approxi-
mately 1 inch.
2.
Disconnect all cables from the power-supply paralleling board.
3.
Unscrew the thumb screw.
4.
Disengage the board from the eleven hooks holding it to the computer
chassis, and then lift the board away from the computer.
WARNING: Disconnect both power supplies from their AC power
source to prevent the possibility of getting shocked.
power-supply
paralleling board
power supply (2)
hook slots (11)
thumb screw
power-supply
paralleling board
insulator
cables