Remove the top cover

Follow instructions in this section to remove the top cover.

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.

About this task

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.

Procedure

1. If necessary, remove all the WLAN antennas. See Remove the WLAN antennas.
2. Turn the keylock to the unlock position with the key; then, take the key out of the keylock, and reverse the node to let the top side facing up.
   Figure 1. Unlocking the keylock
   
   
3. Remove the top cover.
   1. Press and hold the button to disengage the cover.
   2. Slide and lift the cover to remove it from the chassis; then, 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.

   • Service label is located on the inside of the top cover.

   Figure 2. Removing the top cover
   
   
4. Let the bottom side of the node facing up. Turn the keylock to the lock position with the key, and store the key for future use.
   Figure 3. Locking the keylock