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Remove the bus bar connector module

Use this information to remove the bus bar connector module.

About this task

Required tools

  • Screwdriver for PH1 and PH 2 screws

Attention

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

  • Turn off the corresponding DWC tray that you are going to perform the task on.

  • Disconnect all external cables from the enclosure.

  • Use extra force to disconnect QSFP cables if they are connected to the solution.

  • To avoid damaging the water loop, always use the water loop carrier when removing, installing or folding the water loop.

  • The following illustration might differ slightly from your hardware, but the removal method is the same.

Watch the procedure
  • A video of this procedure is available at YouTube.

Procedure

  1. Make preparations for this task.
    1. Remove the tray from the enclosure. See Remove a tray from the enclosure.
    2. Remove the tray cover. See Remove the tray cover.
  2. Remove 16x PH1 screws to remove the rear cross brace.
    Figure 1. Removing the rear cross brace

  3. Disconnect the sideband cable that has P3 marked on its plugger from the PDB.
    Figure 2. Disconnect the P3 sideband cable

  4. Remove the bus bar connector module.
    1. Remove four PH2 screws from ground cables (black cables), with a torque screwdriver set to the proper torque.
    2. Remove four PH2 screws from power cables (red cables), with a torque screwdriver set to the proper torque.
      Note

      For reference, the torque required for the screws to be fully tightened/removed is 7+/- 1.0 lbf-in.

      Figure 3. Disconnecting the bus bar connector module

    3. Remove threw PH1 screws from the tray rear bezel.
    4. Remove the bus bar connector module.
    Figure 4. Removing the bus bar connector module

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.