The pollen filter, which traps dust and plant pollen in the interior ventilation and heating system, is located on the left and right under the ventilation chamber casing. If the air supply to the interior has decreased sharply, the filter should be replaced earlier than the maintenance plan provides.
Remove the ventilation chamber cover.
Release the two clamps A frame mounts and rotate the frame 90° (Fig. 2–29).
Fig. 2–29. Location of the clamps (A) for securing the pollen filter