Remove the mid-plate assembly

Use this information to remove the mid-plate assembly.

About this task

Required tools

• Chassis lift handles

S002

CAUTION

The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.

Attention

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

• Shut down the operating system and turn off any compute nodes in the enclosure. See the documentation that comes with the compute node for detailed instructions.

• Disconnect all external cables from the enclosure.

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

Watch the procedure

• A video of this procedure is available at YouTube.

Procedure

1. Make preparations for this task.
   1. Remove all trays from the enclosure. See Remove a tray from the enclosure.
   2. Disconnect power cords and remove all Power Conversion Stations (PCS). See Remove a Power Conversion Station (PCS).
   3. Remove the blank filler. See Remove the blank filler.
   4. Remove the SMM3. See Remove the SMM3.
   5. Remove all Power Conversion Station (PCS) cages. See Remove a Power Conversion Station (PCS) cage.
   6. Remove upper and lower manifolds. See Remove the manifold.
2. Install the lift handles to the mid-plate assembly.
   Note

   There are studs for installing the lift handles (six studs for each lift handle). The location of the studs are marked in the dotted-line squares in the illustration below.

   Figure 1. Location of studs for installing lift handles
   
   
   1. Press the latches on the top and bottom of the lift handle.
   2. Align slots on the lift handle with posts on the mid-plate and install the lift handle to the mid-plate. Then, slide the lift handle towards the center of the mid-plate to secure it in place.
      Figure 2. Installing the lift handles
      
      
3. With an extended screwdriver, loosen sixteen (x16) PH2 screws from the mid-plate.
   Figure 3. Loosening captive screws from the mid-plate
   
   
4. Hold the lift handles; then, remove the mid-plate assembly from the enclosure. Hold the lift handles when moving the mid-plate assembly.
   Figure 4. Removing the mid-plate assembly