Skip to main content

Remove the DPU air baffle

Follow instructions in this section to remove the DPU air baffle. The procedure must be executed by a trained technician.

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 chassis from the rack. See Remove the server from rack.
  • Two people and one lifting device on site that can support up to 400 lb (181 kg) are required to perform this procedure. If you do not already have a lifting device available, Lenovo offers the Genie Lift GL-8 material lift that can be purchased at Data Center Solution Configurator. Make sure to include the Foot-release brake and the Load Platform when ordering the Genie Lift GL-8 material lift.
  • Remove the DPU air baffle before installing rear drive cage in riser 2 slot.

Procedure

  1. Make preparation for this task.
    1. Remove the front top cover. See Remove the front top cover.
    2. Remove the rear top cover. See Remove the rear top cover.
    3. Remove the processor air baffle. See Remove the processor air baffle.
    4. If applicable, remove the PCIe riser assembly(ies). See Remove a PCIe riser assembly.
    5. If necessary, disconnect and removed the cables. Before disconnecting the cables, make a list of each cable and record the connectors the cable is connected to. Refer to Internal cable routing.
  2. DPU air baffle location in riser 1 slot.
    Figure 1. DPU air baffle location in riser 1 slot
    DPU air baffle location in riser 1 slot
  3. Remove the DPU air baffles in riser 1 slot.
    Note
    Clean the adhesive off from the chassis and components with alcohol cleaning pads.
    1. Peel off the 1 DPU air baffle from the chassis.
      Figure 2. Removing DPU air baffle from the chassis
      Installing DPU air baffle from the chassis
    2. Peel off the 2 DPU air baffle from the chassis.
      Figure 3. Removing DPU air baffle from the chassis
      Removing DPU air baffle from the chassis
    3. Peel off the 3 DPU air baffle from the PCIe riser card if necessary.
      Figure 4. Removing DPU air baffle from the PCIe riser card
      Removing DPU air baffle from the PCIe riser card
  4. DPU air baffle location in riser 2 slot.
    Figure 5. DPU air baffle location in riser 2 slot
    DPU air baffle location in riser 2 slot
  5. Remove the DPU air baffles in riser 2 slot.
    Note
    Clean the adhesive off from the chassis and components with alcohol cleaning pads.
    1. Unfasten the two M3 screws that secure the 1 air baffle and bracket assembly to the chassis; then, lift the air baffle assembly to remove it from the slot.
      Figure 6. Removing DPU air baffle and bracket assembly
      Removing DPU air baffle and bracket assembly
    2. Unfasten the M3 screw that secure the 2 DPU air baffle to the chassis; then, peel it off from the chassis.
      Figure 7. Removing DPU air baffle from the chassis
      Removing DPU air baffle from the chassis
    3. Peel off the 3 DPU air baffle from the PCIe riser card if necessary.
      Figure 8. Removing DPU air baffle from the PCIe riser card
      Removing DPU air baffle from the PCIe riser card
    4. Unfasten the screw that secure the 4 DPU air baffle to the chassis; then lift the air baffle to disengage it from the pin on the chassis.
      Figure 9. Removing DPU air baffle from the chassis
      Removing DPU air baffle from the chassis

After you finish

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.