Remove the top cover

Follow instructions in this section to remove the top 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 top 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 short side of the top cover.
      Note

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

   3. Remove the four Phillips #2 screws located on the long side of the top cover; then, reverse the node to let the bottom side of the node facing up.
      Note

      • The screws to be removed might be covered by fan cables. Carefully pull the fan cable out a little bit to remove the screw underneath, and put the cable back after removing the screw.

      Figure 1. Removing screws from the top cover
      
      
3. Remove the front and rear I/O brackets.
   1. Loosen the two Phillips #1 screws located on the short side of the bottom cover.
   2. Loosen the two Phillips #2 screws located on 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.
   Figure 2. Removing the front and rear I/O brackets
   
   
4. Let the top side of the node facing up.
5. Remove the top cover.
   1. Locate the right thumb on the rear side of the node tab and hold the front side of the node by its edge with your left hand. While pressing the node tab with your right thumb, pulling up the rear side of the top cover at the same time until the rear side of the top cover pops up.
      Note

      To separate the top cover from the node more easily, insert your left hand fingers into the hole on the front of the node as illustrated.
   2. Gently lift up the front side of the top cover until the cover is fully separated from the node.
   3. Remove the top cover from the node and place the top cover 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 3. Removing the top cover