Lawn mower5/21/2024

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

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 in the optimal way, you need to 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.

Do a maintenance on the air filter more frequently in dusty conditions.

CAUTION: Do not start the product without an air filter. The ware of the engine increases if the air is dirty.

Select the type of air filter on your product:

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 solvent with 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. Examine the air filter for damages.
  4. If the air filter is broken or damaged, replace it with a new one; make sure to use the right air filter depending on your lawn mower's model.
  5. Install in the opposite sequence.

Cleaning a foam filter

  1. Remove the air filter cover (A).
  2. Remove the foam filters (B).
    CAUTION: Examine the filters for damage or wear. Replace if damaged.
  3. Clean the filters with soap and water.
  4. Flush 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 the unwanted 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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