Cleaning and Lubricating the Front Wheel of the CONGA 990 EXCELLENCE Robot

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The Conga 990 Excellence CECOTEC robot. This cleaning method also applies to other similar robot vacuums.

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There may be human or animal hair that gets stuck in the wheel's axle, preventing it from rotating freely, which hinders the operation of the robot.

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To remove the wheel, with the help of a flat screwdriver, push up on the center of the wheel, and it should pop out.

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The hair and debris that can be seen externally should be easy to remove. Once removed, check if the axle rotates smoothly. If it doesn't, the axle and wheel must be disassembled.

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Press one of the sides of the wheel against a hard, flat surface. The axle should push out. Use a screwdriver to push the axle the rest of the way out. You then should be able to see the rest of the debris.

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Once all debris has been removed from the axle, apply a drop of sewing machine or Vaseline oil to the hole in the center of the wheel and reinsert the axle; apply a second drop of oil once the axle is installed.

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Before reinstalling the wheel, clean the hole where it goes, and apply a drop of oil on each side where the axle is inserted and snaps into place. Wipe away any excess oil.

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Reinstall the wheel by lining up the axle with the two detents on each side. Apply some pressure, and the wheel should snap into place. Make sure the wheel rotates freely.