Replacing a power supply in a disk shelf

About replacing a disk shelf power supply

Replacing a disk shelf power supply consists of the following procedures:

When replacing the power supply on your disk shelf, observe the following rules:

You do not need to turn off the power when you replace one power supply.
If you are replacing both power supplies in the same disk shelf, replace them one at a time to avoid powering down the disk shelf.

To remove a power supply from a disk shelf, complete the following steps.

Step	Action
1	Put on the antistatic wrist strap and grounding leash.
2	Turn off the power supply that you are replacing and disconnect the power cord.
3	Press the CAM mechanism levers toward each other to release the power supply handle, as shown in the following illustration.
4	Pull the power supply out of the disk shelf, using the handle. WARNING When removing a power supply, always use two hands to support its weight.

To install a power supply in a disk shelf, complete the following steps.

Step	Action
1	Put on the antistatic wrist strap and grounding leash.
2	Slide the power supply into the disk shelf until you hear the power supply connect with the connector inside the disk shelf chassis. Caution Do not use excessive force when sliding the power supply into the disk shelf; you can damage the connector.
3	Press the CAM mechanism levers toward each other to engage the power supply into place.
4	Connect the power cord to the back of the disk shelf.
5	Turn on the power supply.