Circuit card hold-down bracket

The circuit card hold-down bracket must be removed when replacing internal system components including cables, circuit cards, the memory module, and a standard power supply.

Removing the circuit card hold-down bracket

To remove the circuit card hold-down bracket:

1. Shut down the system and unplug the AC power cords.
2. Remove the front bezel and top cover.
3. Remove the circuit card hold-down bracket as follows:
1. Pull up on the pushbutton fasteners that connect the hold-down bracket to the inside rail.
2. Remove the bracket. See Removing and replacing the circuit card hold-down bracket.
4. Continue with any internal component replacement procedures, such as:
• Circuit cards
• Drive cables
• Memory module
• Standard power supply

Replacing the circuit card hold-down bracket

To replace the circuit card hold-down bracket:

1. Pull up on the pushbutton fasteners to make sure that they are fully extended. See Removing and replacing the circuit card hold-down bracket.
2. Position the bracket toward the front of the chassis, so that the first pushbutton fastener is aligned over the 4th hole back on the inside rail.
3. Hook the tab on the hold-down bracket over the outer rail inside the chassis.
4. Adjust the bracket position so that:
   • the pad on the hold-down spacer is over the tallest card, and
   • the holes in the central rail line up under the pushbutton fasteners.
5. Push down on the entire bracket. If the fasteners are correctly aligned, it will snap into place.
6. Push down on each of the pushbutton fasteners to lock the bracket in place.
7. Replace the top cover and front bezel.
8. Restore power to the system.

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