Remove the bottom cover

Follow instructions in this section to remove the bottom cover.

About this task

S014

CAUTION

Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is authorized to remove the covers where the label is attached.

S033

CAUTION

Hazardous energy present. Voltages with hazardous energy might cause heating when shorted with metal, which might result in spattered metal, burns, or both.

Attention

• Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

• Power off the server and peripheral devices and disconnect the power cords and all external cables. See Power off the server.

• If the node is installed in an enclosure or mounted, remove the node from the enclosure or mount. See Configuration guide.

Required tools

Make sure you have the required tools listed below in hand to properly replace the component.

• Prepare a bottom cover thermal pad kit. See Thermal pad installation guidelines for details of thermal pad replacement.
• Prepare the following screwdrivers:
  • Phillips #1 head screwdriver
  • Phillips #2 head screwdriver

Procedure

1. Make preparation for this task.
   1. Remove the fan shroud. See Remove a fan shroud.
   2. If applicable, remove the expansion filler. See Remove the expansion filler.
   3. If applicable, remove the expansion kit. See Remove the expansion kit.
2. Remove the screws from the top cover.
   1. Slide the pull-out information tabs outward from the node.
   2. Remove the four Phillips #1 screws located on the top cover; then reverse the node to let the bottom side facing up.
      Note

      Make sure to slide the pull-out information tabs back once the screw underneath is fully removed.

      Figure 1. Removing the screws from the top cover
      
      
3. Remove the bottom cover.
   1. Remove the two Phillips #1 screws located on the short side of the bottom cover.
   2. Remove the six Phillips #2 screws from the long side of the bottom cover.
   3. Hold the blue touch points on the rear side of the node and the I/O bracket handle on the front side of the node; then pull the front and rear I/O brackets from the node.
   4. Lift up the bottom cover from the node, and place it on a flat clean surface.
   Attention

   To make sure that there is adequate system cooling, install both top cover and bottom cover before powering on the server. Operating the server with the covers removed might damage server components.

   Figure 2. Removing the bottom cover