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How to clean or replace an air filter on a lawn mower

Updated 28 May, 2024

This is an article on how to clean and replace an air filter on a Husqvarna lawn mower. If you are looking for information on how to clean and replace an air filter on a Husqvarna ride-on mower, click here.

In order for your Husqvarna lawn mower to function optimally, make sure that the air filter is clean and working properly. If the air filter is dirty or damaged, there can be issues with starting your lawn mower or you can experience loss of power while using it.

Perform maintenance on the air filter more frequently in dusty conditions. 

CAUTION: Do not start the product without an air filter. Engine wear increases if the air is dirty.

Select the type of air filter on your product:

Paper air filter

Cleaning a paper filter

A dirty air filter can cause the engine to be damaged or not operate correctly. 

  1. Remove the air filter cover and remove the air filter.
  2. Clean the filter by hitting it against a flat surface. Do not use solvents that contain petroleum, kerosene or compressed air to clean the filter.
  3. When you assemble the air filter, make sure it fully seals against the filter holder.

NOTE: Air filters in operation for a long time cannot be cleaned fully. Replace the air filter at regular intervals. Damaged air filters must always be replaced. 

Replacing a paper filter

  1. Push the clips on the air filter cover.
  2. Carefully remove the air filter cover from the engine.
  3. Check the air filter for damage.
  4. If the air filter is broken or damaged, replace it with a new one; make sure you use the correct air filter depending on your lawn mower's model.
  5. Install in the opposite sequence.
Foam air filter

Cleaning a foam filter 

  1. Remove the air filter cover (A).
  2. Remove the foam filters (B).
    CAUTION: Check the filters for damage or wear. Replace if damaged.
  3. Clean the filters with soap and water.
  4. Rinse the filters in clean water.
  5. Squeeze the water from the filters and let them dry.

Replacing a foam filter

  1. Lubricate the foam filters with engine oil.
  2. Press a clean cloth against the filter to remove any oil.
  3. Install the filter. Make sure that the filter is fully sealed against the air filter holder.
  4. Install the air filter cover.

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Do you have questions about your Automower® robotic lawn mower, lawnmower, chainsaw, trimmer, brush cutter or hedge trimmer? Ask our product assistant. For all other product-related questions, please visit the dealer locator to find your closest dealer.

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