Kenmore AllergenSeal DU2055 Use & Care Manual page 18

The pre-filter is located inside the dust
cup. Clean the pre-filter as needed to
optimize suction power. If suction remains
weak after tapping the pre-filter clean,
it will be necessary to wash it to clean
off accumulated dust or hair. It is also
recommended to wash the pre-filter every
three months. See wash instructions in the
NOTE to step 4.
1. Remove the dust cup as outlined in the
EMPTYING DUST CUP (page 17).
NOTE:
Make sure dust cup is free of
debris before opening.
2. Press the dust cup lid release button, and
open the lid.
Dust Cup
Lid Release
Button
3. Grasp pre-filter and rotate
counterclockwise as shown to remove.
PRE-FILTER CLEANING
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4. Clean pre-filter by gently tapping over a
trash container. Tap on several sides to
ensure best cleaning.
NOTE:
If necessary, rinse with cold
water only, DO NOT use detergent or
soap. Allow parts to dry 24 hours before
putting back into vacuum cleaner.
DO NOT wash in the dishwasher.
DO NOT install damp.
5. Place the pre-filter back into the
dust cup. Grasp pre-filter and rotate
clockwise to lock into place.
6. Reinstall the dust cup into the main
body. See installation instructions in the
EMPTYING DUST CUP (page 17).