when removing the fan tray, keep your hands and fingers away from the spinning fan blades. let the fan blades completely stop before you remove the fan tray. statement 258

    never operate the system for an extended period if the fan assembly is removed or if it is not functioning properly. an over-temperature condition can cause severe equipment damage.

    follow these steps to remove the existing chassis fan assembly:

    step 1 loosen the two captive installation screws on the fan assembly by turning them counterclockwise.

    step 2 grasp the fan assembly with both hands and pull it outward; gently move it side to side if necessary to unseat it from the backplane. slide it out of the chassis and place it in a safe place.