Skip to main content

Install the water loop

Use this information to install the water loop in the SD650 V3 tray.

About this task

Required tools

Make sure you have the required tools listed below in hand to properly replace the component.

  • Water loop kits

    • SD650 V3 Water loop service kit

    • Conduction plate parts (only damaged parts need to be replaced)

    • M.2 Putty pad kit

  • Drive gap pad or putty pad kits according to the drives installed in the tray. See their respective replacement procedures for more information.

  • ConnectX series adapter putty pad kits according to the ConnectX adapter installed in the tray. See their respective replacement procedures for more information.

  • Screws and screwdrivers

    Prepare the following screwdrivers to ensure you can install and remove corresponding screws properly.
    Screwdriver TypeScrew Type
    Torx T10 head screwdriverTorx T10 screw
    Torx T30 head screwdriverTorx T30 screw
    Phillips #1 head screwdriverPhillips #1 screw
    Phillips #2 head screwdriverPhillips #2 screw
Important
Gap pad/putty pad replacement guidelines
  • To identify the gap pad/putty pad location and orientation, see Gap pad/Putty pad identification and location.

  • Before replacing the gap pad/putty pad, gently clean the interface plate or the hardware surface with an alcohol cleaning pad.

  • Hold the gap pad/putty pad carefully to avoid deformation. Make sure no screw hole or opening is blocked by the gap pad/putty pad material.

  • Do not use expired putty pad. Check the expiry date on putty pad package. If the putty pads are expired, acquire new ones to properly replace them.

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.

Procedure

  1. Attention
    Make sure that the retaining clips on all memory module connectors are in the locked position.
  2. Follow the following steps if you are replacing processors:
    1. If there is any old thermal grease on the processor and the cold plate, gently clean the top of the processor and the cold plate using an alcohol cleaning pad.
    2. Remove the processor identification label from the water loop and replace it with the new label that comes with the replacement processor. If you are unable to remove the label and place it on the new water loop, or if the label is damaged during transfer, write the processor serial number from the processor identification label on the new water loop in the same location as the label would be placed using a permanent marker.
    3. Apply the thermal grease on the top of the processor with syringe by forming four uniformly spaced dots, while each dot consists of about 0.1 ml of thermal grease
      Note
      Carefully place the processor and retainer on a flat surface with the processor-contact side down.
      Figure 1. Thermal grease application
      Applying thermal grease
  3. Install processor retainers onto processor if needed.
    1. Align the triangular mark on the processor retainer with the triangular mark on the processor corner edge.
    2. (Intel® Xeon® CPU Max only) Make sure the slot on the TIM breaking cam is vertical. See Figure 4.
    3. Gently place the processor retainer on the processor; then, carefully press the four sides of the processor retainer to secure the processor.
      Figure 2. Installing a processor retainer
      Installing a processor retainer
      Figure 3. Installing a Intel® Xeon® CPU Max processor retainer

      1 TIM breaking cam


      Installing a Intel Xeon CPU Max processor retianer
    4. (Intel® Xeon® CPU Max only) After installing the retainer onto processor, make sure the slot on the TIM breaking cam is vertical.
      Figure 4. TIM breaking cam on processor retainer

      1 TIM breaking cam


      TIM breaking cam on processor retainer
  4. When removing the water loop from the package box, make sure to hold the touch points marked in grey in the illustration below.
    Attention
    Holding the water loop anywhere other than the touch points may cause damage to it.
    Figure 5. Touching points when removing water loop from package box
    Top imageIsometric view of water loop
    Bottom imageTop view of the water loop

    Touching points when removing water loop from package box
  5. Remove two plastic grease covers if needed.
    1. Use a pair of scissors to cut off the tape.
    2. Remove plastic grease covers from the underside of water loop cold plates.
    Note
    The right node is shown as example. Remove plastic grease covers if needed when installing processor in either node.
    Figure 6. Plastic grease covers removal
    Plastic grease covers removal
  6. Align the triangular marks on the processor retainers with the triangular slots on the underside of the water loop cold plate; then, attach the processors to the underside of the water loop cold plate by inserting the processor retainer posts and clips features into the openings at the four corners of the cold plate.
    Figure 7. Processor installation
    Processor installation
  7. Rotate all anti-tilt wire bails (8x anti-tilt wire bails per node) outwards to the unlocked position.
    Figure 8. Processor unlocked position
    Processor unlocked position
  8. Check the gap pads on the water loop, if any of them are damaged or detached, replace them with the new ones.
    Figure 9. Water loop gap pads
    Water loop gap pads

Make sure to follow Gap pad/putty pad replacement guidelines.

  1. Install the one side of the water loop.
    1. Carefully hold the water loop with both hands and flip it.
    2. Carefully position the water loop onto the two guide pins near the rear of the node; then, gently lower down the water loop and ensure it is seated firmly on the system board.
    Figure 10. Water loop carrier installation
    Water loop carrier installation
  2. Repeat step 2 to step 5 to install processors to the other side of the water loop.
  3. Repeat step 6 to make sure gap pads are securely attached to water loop.
  4. Fully loosen two captive thumbscrews located at each end of the water loop carrier.
    Figure 11. Loosening captive thumbscrews
    Loosening captive thumbscrews
  5. Unfold and install the other side of the water loop as shown.
    Figure 12. Unfolding water loop
    Unfolding water loop
  6. Ensure the processors are secured properly.
    1. Rotate anti-tilt wire bails (16x anti-tilt wire bails for two nodes) outwards to the locked position.

    2. Fully tighten all Torx T30 captive screws (16x Torx T30 captive screws for two nodes) on cold plates in the installation sequence shown on the cold plate label (with a torque screwdriver set to the proper torque).

      Note
      For reference, the torque required for the screws to be fully tightened/removed is 10+/- 2.0 lbf-in, 1.1+/- 0.2 N-m.
      Attention
      To prevent damage to components, make sure that you follow the indicated tightening sequence.
      Figure 13. Securing Torx T30 captive screws
      Securing Torx T30 captive screws
  7. Loosen water loop carrier screws (24x Phillips #2 screws for two nodes).
    Figure 14. Loosening water loop carrier screws
    Loosening water loop carrier screws
  8. Carefully lift each water loop carrier up and away from the water loop one at a time.
    Figure 15. Water loop carrier removal
    Water loop carrier removal
  9. Install water loop screws (18x Torx T10 screws per node) with a torque screwdriver set to the proper torque.
    Note
    For reference, the torque required for the screws to be fully tightened/removed is 5.0+/- 0.5 lbf-in, 0.55+/- 0.05 N-M.
    Figure 16. Water loop screws installation
    Water loop screws installation
  10. Install the following screws to secure the quick connect.
    • Four Torx T10 screws to secure the quick connect.

    • Ten Torx T10 screws on the rear of the node.

    Figure 17. Quick connect screw installation
    Quick connect screw installation
  11. Install two VR clamp plates into the nodes and install Torx T10 screws (4x Torx T10 screws for two nodes).
    Figure 18. VR clamp plate installation
    VR clamp plate installation
After you finish
  1. Install the PCIe riser assembly. See Install a PCIe riser assembly (ConnectX-6) , PCIe riser assembly replacement (ConnectX-7 NDR 200), or Install a PCIe riser assembly (ConnectX-7 NDR 400).

  2. Install the drive cage. See Install a drive cage assembly.

  3. Install the M.2 backplane assembly. See Install the M.2 backplane assembly.

  4. Install the memory modules. See Install a memory module.

  5. Install the DIMM comb. See Install a DIMM comb.

  6. Install the cross braces. See Install the cross braces.

  7. Install the tray cover. See Install the tray cover.

  8. Install the tray into the enclosure. See Install a DWC tray in the enclosure.

  9. Connect all required external cables to the solution.
    Note
    Use extra force to connect QSFP cables to the solution.
  10. Check the power LED on each node to make sure it changes from fast blink to slow blink to indicate all nodes are ready to be powered on.

Demo video

Watch the procedure on YouTube