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

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.

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.