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Install the top cover

Follow instructions in this section to install the top cover.

About this task

Attention

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
Important

If you are installing a new top cover, make sure to attach new thermal pads to the top cover first. Follow the rules and identify the location of the thermal pads in Thermal pad installation guidelines.

Procedure

  1. Make preparation for this task.
    1. Check the thermal pads on the top cover. If a thermal pad is damaged or detached from the cover, replace it with a new one. Make sure to follow Thermal pad installation guidelines.
      Figure 1. Top cover thermal pads

  2. Install the top cover.
    1. Align the top cover with the guiding slots on both sides of the node; then, lower the top cover onto the node.
    2. Insert the front and rear I/O brackets into the node until they are seated in place.
    Figure 2. Installing the top cover

  3. Tighten screws to secure the cover.
    1. Tighten four Phillips #2 screws to the long sides of the top cover.
      Note
      The screw holes might be covered by fan cables. Carefully pull the fan cable out a little bit to install the screw, and put the cable back after installing the screw.
    2. Slide the pull-out information tabs outward from the node.
    3. Tighten the four Phillips #1 screws with pre-applied white threadlocking adhesive to the short sides of the top cover; then let the bottom side of the node facing up.
      Note
      Make sure to slide the pull-out information tabs back once the screw underneath is fully installed.
      Figure 3. Installing the screws

  4. Tighten screws to the bottom cover.
    1. Tighten two Phillips #1 screws with pre-applied white threadlocking adhesive to secure the front and rear I/O brackets.
    2. Tighten the two Phillips #2 screws to the bottom cover as illustrated.
      Figure 4. Installing the screws

After you finish
  1. Install the expansion kit or the expansion filler. See Install the expansion kit or Install the expansion filler.
  2. Install the fan shroud. See Install the fan shroud.
  3. Complete the parts replacement. See Complete the parts replacement.