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Remove the middle top cover

Follow instructions in this section to remove the middle top cover.

S014
shock hazard
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
240VA shock hazard
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 server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack. See Remove a node from the rack.

  • For proper cooling and air flow, install the top cover before you power on the server. Operating the server with the top cover removed might damage server components.

Procedure

Remove the middle top cover.

Remove the middle top cover of 1U2N enclosure

  1. Loosen the six captive screws on the middle top cover.
  2. Lift up the middle top cover from the enclosure, and place it on a flat clean surface.
    Figure 1. Removing the middle top cover of 1U2N enclosure

Remove the middle top cover of 1U3N enclosure

  1. Loosen the eight captive screws on the middle top cover.
  2. Lift up the middle top cover from the enclosure, and place it on a flat clean surface.
    Figure 2. Removing the middle top cover of 1U3N enclosure

After you finish

  1. Install a replacement unit. See Install the middle top cover.

  2. If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.