Installing the Dust Compartment, Pre-filter, and Cyclone Assembly 3. Slightly tilt the dust compartment so its slot aligns with the clip on the vacuum cleaner. Then gently push the dust compartment until it clicks into place. 1. Insert the cyclone assembly vertically into the dust compartment, and make sure that the handle of the cyclone assembly line up with the slot on the left side of the dust compartment. Turn the handle clockwise until it locks, then flip the handle down. 1 2. Place the pre-filter with its front side facing up into the cyclone assembly. 2 1 Pre-filter 2 Insert until it clicks into place 17