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Remove a T4 filler

Follow the instructions in this section to remove a T4 filler.

About this task

moving parts
Hazardous moving fan blades nearby. Keep fingers and other body parts away.
240VA shock hazard

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

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

  • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.

  • If the server is in a rack, remove it from the rack.

  • If foot stands are installed on the server, pivot them inwards and lay the server on its side for easier operation.

A T4 filler is required to be installed onto the server cover for proper cooling and airflow when one or more A2/L4 GPU adapters are installed.


  1. Remove the server cover. See Remove the server cover.
  2. Turn the server cover over and locate the T4 filler you want to remove.
  3. Remove the T4 filler.
    Figure 1. Removal of a T4 filler
    T4 filler removal

After this task is completed

  1. Install the replacement unit(s), if necessary. See Install a T4 filler.

  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.

Demo video