How to Clean and Replace the Washing Arms of a Dishwasher

Jul 18, 2023, 18:50pm

Like any household appliance, the dishwasher requires regular maintenance to maintain its performance. To ensure the proper functioning of a dishwasher, it is important to maintain its spray arms.

A dishwasher has two wash arms or cycle arms. These two arms are supplied with pressurized water. The role of these two elements is to propel the water on the dishes in order to clean them.

  • The lower arm is fed by a water hose to allow the washing of dishes and plates.
  • The upper arm is fixed under the basket of the dishwasher, is supplied by a small water hose and which offers a lower pressure, it makes it possible to wash the most fragile elements which are in the upper basket.

Regularly clean the cycling arms, and replace them if worn, replace them:

  • Better watering of the dishes during the cycle
  • Better rotation of the wash arm
  • Better circulation of water in the circuit
  • A decrease in electricity consumption
  • A reduction in the consumption of detergent product

The washing arms in a dishwasher are responsible for spraying water and detergent onto your dishes, ensuring thorough cleaning. Over time, the washing arms can become clogged with debris, mineral deposits, or food particles, resulting in reduced cleaning performance. Regular cleaning and occasional replacement of the washing arms are necessary to maintain optimal dishwasher functionality. In this article, we will guide you through the process of cleaning and replacing the washing arms of a dishwasher.

How to Clean and Replace the Washing Arms of a Dishwasher

Cleaning the Washing Arms

Before considering a replacement, it’s important to try cleaning the washing arms to see if it resolves any performance issues. Follow these steps to clean the washing arms:

  1. Safety Precautions: Ensure that the dishwasher is unplugged or disconnected from its power source to avoid any electrical accidents.
  2. Locate the Washing Arms: Open the dishwasher door and locate the washing arms. There are typically two or three arms positioned at the bottom, middle, and top of the dishwasher.
  3. Remove the Washing Arms: Each washing arm is usually attached to a central hub or support. Gently twist or lift the arms to detach them from the hub. Take note of the orientation of the arms for reassembly.
  4. Inspect for Debris: Examine the washing arms for any debris, such as food particles or mineral deposits. Pay close attention to the spray nozzles, which are small holes or slits on the arms.
  5. Clean with Vinegar or Dish Soap: Prepare a solution of equal parts white vinegar and water or warm water with a few drops of dish soap. Soak the washing arms in the solution for about 15-30 minutes to help loosen any stubborn residue.
  6. Scrub the Arms: Use a soft-bristle brush or toothbrush to gently scrub the washing arms, paying particular attention to the spray nozzles. Ensure that all debris and mineral deposits are thoroughly removed.
  7. Rinse the Arms: Rinse the washing arms under running water to remove any remaining residue or cleaning solution.
  8. Reassemble the Washing Arms: Once the arms are clean and dry, reattach them to the central hub or support. Ensure they are securely in place, aligned correctly, and able to rotate freely.

Replacing the Washing Arms

If cleaning the washing arms does not improve their performance, or if they are damaged or worn out, it may be necessary to replace them. Follow these steps to replace the washing arms:

  1. Safety Precautions: Ensure that the dishwasher is completely disconnected from its power source.
  2. Locate the Washing Arms: Open the dishwasher door and locate the washing arms. Take note of their position and how they are attached to the central hub or support.
  3. Remove the Old Washing Arms: Gently twist or lift the washing arms to detach them from the hub. Some arms may be held in place with screws or clips that need to be removed.
  4. Purchase the Correct Replacement Arms: Measure the length and diameter of the old washing arms or refer to the dishwasher’s manual to ensure you purchase the correct replacement arms.
  5. Install the New Washing Arms: Align the new washing arms with the central hub or support, ensuring they are positioned correctly. If applicable, use screws or clips to secure them in place.
  6. Test the New Washing Arms: Reconnect the dishwasher to its power source and run a test cycle to ensure the new washing arms rotate properly and distribute water evenly.

How to Clean and Replace the Washing Arms of a Dishwasher

By following these steps, you can clean or replace the washing arms of your dishwasher, restoring optimal cleaning performance. Regular cleaning and maintenance of the washing arms will help ensure the longevity and efficiency of your dishwasher. Remember to consult your dishwasher’s manual or refer to the manufacturer’s instructions for any specific guidelines or recommendations. If you are unsure about replacing the washing arms yourself or encounter any difficulties during the process, it is recommended to seek the assistance of a professional appliance technician.