Table Of Contents

Replacing the PXI Chassis Rear Fans

Version:
    Last Modified: March 29, 2021

    spd-note-note
    Note  

    Use caution when removing the fan assembly to avoid damaging the internal wire harness.

    Equipment

    • #2 Phillips screwdriver
    1. Power off the ECUTS.
    2. Open the rear cabinet door.
    3. Pull the spring pin attached to the inside hinge of the rear cabinet door down until it detaches from the test rack.
    4. Tilt and remove the rear cabinet door from the test rack.
    5. Remove the eight #6-32 mounting screws and the #8-32 ground screw that attach the fan panel to the chassis using the #2 Phillips screwdriver.
      1. Fan Harness Plug
      2. PXIe-1084
      3. PXI Module Fan Assembly
      4. Rear Chassis Feet (2x)
      5. Mounting Screws (8x)
    6. With the internal fan harness still connected, pull and rotate the fan assembly out of the rear cavity of the chassis.
    7. Disconnect the fan harness plug from the fan receptacle.
      1. Fan Receptacle
      2. Fan Harness Plug
    8. Remove the PXI fan module assembly.
    9. Install the replacement PXI fan module assembly.
    10. Connect the fan harness plug to the fan receptacle.
    11. Screw in the eight #6-32 mounting screws and #8-32 ground screw to the rear of the chassis using the #2 Phillips screwdriver 1.3 N · m (11.5 lb · in.).
    12. Tilt and sit the rear cabinet door back in the test rack.
    13. Pull the spring pin attached to the inside hinge of the rear cabinet down and secure the pin back to the test rack.
    14. Close the rear cabinet door.

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