Whirlpool recommends cleaning the lint trap in its Duet model before each use. This helps keep the exhaust ducts clear, allowing moist air to filter out and your clothes to dry. Whirlpool also recommends cleaning the inside of the dryer cabinet every two years to remove lint buildup. Although most of the lint collects in the trap, the dryer is not a sealed unit. Air gaps allow lint to enter the dryer cabinet. Removing lint from the dryer cabinet of a Whirlpool Duet requires access through the lower-front panel.
Unplug the Whirlpool Duet dryer's power cord from the dryer outlet. Open the dryer door and pull out the lint trap from inside the door. Set aside.
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Insert a dryer lint brush into the lint-trap cavity of the dryer. Slide the lint brush from side to side inside the cavity, then pull out the brush and lint. Remove lint from the lint trap and insert it back into the dryer. Close the dryer door.
Remove the two screws securing the lower-front panel to the Duet dryer by using a Phillips-head screwdriver. The screws are under the bottom ledge of the lower-front panel. Pull the panel away and set aside.
Brush out as much of the lint as possible from the inside of the cabinet using the dryer lint brush. Use care when brushing around wires and their connections.
Attach an upholstery brush to your vacuum cleaner and vacuum the remaining lint from inside the cabinet. Again, use care around wires and their connections.
Position the lower-front panel back onto the dryer and secure with the screws. Plug your Duet dryer's power cord back into the outlet.