Removing and replacing parts in the 5791, 5794, and 7040-61D expansion units

Use this information to exchange parts in the 5791, 5794, and 7040-61D expansion units.

DANGER

When working on or around the system, observe the following precautions:

Electrical voltage and current from power, telephone, and communication cables are hazardous. To avoid a shock hazard:

Connect power to this unit only with the IBM provided power cord. Do not use the IBM provided power cord for any other product.
Do not open or service any power supply assembly.
Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm.
The product might be equipped with multiple power cords. To remove all hazardous voltages, disconnect all power cords.
Connect all power cords to a properly wired and grounded electrical outlet. Ensure that the outlet supplies proper voltage and phase rotation according to the system rating plate.
Connect any equipment that will be attached to this product to properly wired outlets.
When possible, use one hand only to connect or disconnect signal cables.
Never turn on any equipment when there is evidence of fire, water, or structural damage.
Disconnect the attached power cords, telecommunications systems, networks, and modems before you open the device covers, unless instructed otherwise in the installation and configuration procedures.
Connect and disconnect cables as described in the following procedures when installing, moving, or opening covers on this product or attached devices.
To Disconnect:
1. Turn off everything (unless instructed otherwise).
2. Remove the power cords from the outlets.
3. Remove the signal cables from the connectors.
4. Remove all cables from the devices
To Connect:
1. Turn off everything (unless instructed otherwise).
2. Attach all cables to the devices.
3. Attach the signal cables to the connectors.
4. Attach the power cords to the outlets.
5. Turn on the devices.
(D005)

Note: For some parts in the 5791, 5794, and 7040-61D expansion units, the removal and replacement procedures are customer tasks and can be found in the Installing hardware topic. Use the following links to go directly to these procedures.

Disk drive

PCI adapter

For all other parts, use the Service focal point application on the Hardware Management Console (HMC) to find information about how to remove and replace parts. Do the following to access the Service focal point application:

Log into the HMC as the service representative.
In the Navigation area, select the Service Applications icon.
Select the Service Focal Point icon.
Select Exchange Parts. The Exchange Parts window opens. Follow the instructions on the Exchange Parts window until you reach the removal and replacement procedures for the selected part.