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Replacing the airborne contaminant filter assembly

Use these instructions to replace the airborne contaminant filter assembly on the Flex System Carrier-Grade chassis.

Attention
The captive screws that secure the airborne contaminant filter assembly mounting brackets also secure the chassis to the rack. Do not leave the chassis unsecured.

To install the airborne contaminant filter assembly on the chassis, complete the following steps:

  1. Install the airborne contaminant filter mounting brackets on the front of the chassis:

    Graphic showing installation of the airborne contaminant filter assembly mounting brackets.
    1. Align the left mounting bracket captive screws with the four empty screw holes on the left side of the chassis bezel. Thread the four captive screws through the bezel into the clip nuts to secure the left bracket to the chassis, but do not tighten the screws.
    2. Align the right mounting bracket captive screws with the four empty screw holes on the right side of the chassis bezel. Thread the four captive screws through the bezel into the clip nuts to secure the right bracket to the chassis, but do not tighten the screws.
    3. After all of the captive screws are installed, tighten the screws to 30 in-lbs (3.4 Nm) to secure the chassis to the rack.
  2. Install the airborne contaminate filter assembly bezel on the mounting brackets:

    Graphic showing installation of the airborne contaminant filter assembly.
    1. Insert the two hooks on the bottom of the filter assembly into the slots on the bottom of the chassis bezel.
    2. Rotate the filter assembly toward the chassis by pushing on the front of the filter assembly until the slide latches click into place. Check the hooks on the bottom of the filter assembly to make sure that they are still in the slots on the bottom of the chassis.