How to Clean the Air Filter on A Push Mower?

17 minutes read

To clean the air filter on a push mower, follow these steps:

  1. Locate the air filter housing, which is usually a black plastic box positioned on the side or top of the engine.
  2. Using a screwdriver or a wrench, remove any screws or bolts securing the air filter housing.
  3. Lift the cover or housing to expose the air filter.
  4. Check the condition of the air filter. If it is excessively dirty or damaged, it's best to replace it with a new one. If it appears relatively clean, it can be cleaned and reused.
  5. Carefully remove the air filter from the housing.
  6. Inspect the filter for dirt, debris, or heavy clogging. Gently tap it on a hard surface to dislodge loose particles.
  7. If the filter is very dirty, it can be washed with warm water and mild detergent. Gently scrub the filter to remove stubborn dirt.
  8. Rinse the filter thoroughly with clean water and squeeze out excess water gently.
  9. Allow the filter to air dry completely before reinstalling it.
  10. Once dry, carefully place the clean air filter back into the housing, aligning it properly.
  11. Close the housing cover and secure it tightly with the screws or bolts.
  12. Start the push mower and ensure it is running smoothly with the newly cleaned or replaced air filter.


Regularly cleaning or replacing the air filter on your push mower is essential to maintain proper airflow and prevent engine damage. Remember to consult the manufacturer's guidelines for specific instructions, as the process may vary slightly depending on the mower model.

Best Push Lawn Mowers of 2024

1
YARDMAX 21 in. 170cc 2-in-1 Gas Walk Behind Push Lawn Mower with High Rear Wheels

Rating is 5 out of 5

YARDMAX 21 in. 170cc 2-in-1 Gas Walk Behind Push Lawn Mower with High Rear Wheels

  • Single-lever deck adjustment for quickly setting your mow height
  • MAXFlow Deck Technology – volute spiral deck design for better airflow and mulching
  • Heavy-duty, 16-gauge stamped steel deck
  • Durable, one-piece seamless steel deck reduces vibration
  • Seven cutting heights from 1.25″ to 3.75″
  • Double-ball-bearing wheels for easy, smooth mowing with less pushing effort
  • Adjustable, durable 3-position handle height
  • Folds for space-saving storage
  • 7 in. front and 11 in. rear wheels for stability and control
2
PowerSmart Gas Lawn Mower 21 Inch 2-in-1 with 144CC 4-Stroke Engine, Push Mower Gas Powered DB2321CR

Rating is 4.9 out of 5

PowerSmart Gas Lawn Mower 21 Inch 2-in-1 with 144CC 4-Stroke Engine, Push Mower Gas Powered DB2321CR

  • 144CC OHV ENGINE: reliable engine, recoil starter for easy start, forced air cooling system continuously deliver unbeatable grass cutting effect.
  • 21 INCH CUTTING DECK: patented cutting system with 21 inch cutting deck, wider mowing path helps you trim sizable yard fast.
  • 2-IN-1 PUSH MOWER: side-discharge easily pass thick grasses for quickest mowing, mulching lawn mower minces grass into super-fine bits for recycle.
  • GRASS HEIGHT ADJUSTABLE: 6 positions for adjust cutting height from 1.5" to 3.9", suitable for all kinds of grasses.
3
BILT HARD Gas Lawn Mower 20 inch, 2 in 1 170cc 4-Stroke OHV Engine Cordless Lawnmower, 8 Adjustable Cutting Heights Push Mowers for Lawn, Yard and Garden

Rating is 4.8 out of 5

BILT HARD Gas Lawn Mower 20 inch, 2 in 1 170cc 4-Stroke OHV Engine Cordless Lawnmower, 8 Adjustable Cutting Heights Push Mowers for Lawn, Yard and Garden

  • Auto Choke Engine - 170cc 4-stroke OHV engine, 6.5 ft.lb torque, 20 inch cutting deck.
  • Cutting Height - 8-position single lever four-wheel synchronized height adjustment from 1.2" to 3.2".
  • Mowing Convenience - 7" rear/6“ front double ball-bearing wheels achieve smooth movement, comfortable foam-wrapped angled grip eliminates grasp fatigue.
  • Durable Cutting Deck: 20" cutting deck and specialized blade delivering a clean, even cut. Enjoy years of high efficient mowing with superior cutting quality
4
Greenworks 40V 16" Cordless (Push) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and Charger Included

Rating is 4.7 out of 5

Greenworks 40V 16" Cordless (Push) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and Charger Included

  • CORDLESS LAWN MOWER – Get more done, faster, with Greenworks electric lawn mowers. This 40v push lawn mower provides the power you need with up to 45 minutes of runtime on a fully charged 4.0Ah battery. The battery completely charges in 120 minutes.Brushless motor : No
  • LIGHTWEIGHT, EASY TO USE – A lightweight 16” cutting deck allows for easy maneuvering through small to medium yards (up to ½ acre) more efficiently. Easy push button start and lighter weight make it a great choice for your lawn.
  • VERSATILE – Battery powered lawn mower has a single lever 5-position height adjustment with a cutting height range from 1-1/4" to 3-3/8" for the best cut in all environments. The 2-in-1 feature offers versatile use with mulching and rear bagging options.
  • MAINTENANCE FREE – This walk behind lawn mower is virtually maintenance free, with no gas, no oil and no emissions. It starts instantly and is quiet but delivers gas-like power for your toughest projects.
5
Yard Machines 11A-02BT729 20-in Push Lawn Mower with 125cc Briggs & Stratton Gas Powered Engine, Black and Red

Rating is 4.6 out of 5

Yard Machines 11A-02BT729 20-in Push Lawn Mower with 125cc Briggs & Stratton Gas Powered Engine, Black and Red

  • A 125cc OHV Briggs & Stratton engine delivers reliable power to quickly tackle your yard
  • Push mower ideal for small yards with minimal obstacles
  • 20-in. deck with side discharge to efficiantly spread grass clippings
  • 7-in wheels provide reliable traction to navigate your yard
  • Choose from 3 cutting heights
6
BLACK+DECKER Electric Lawn Mower, 10-Amp, Corded (BEMW472BH)

Rating is 4.5 out of 5

BLACK+DECKER Electric Lawn Mower, 10-Amp, Corded (BEMW472BH)

  • Lightweight corded electric mower gasless 10 Amp 15 inch electric mower for powering through rough grass.Ideal for 1/8 acre.Voltage : 120 V. Product Application : Cleaning.
  • Comfort grip bike handlebar design reduces friction and enhances maneuverability for small lawns
  • Enhanced clipping collection winged blade yields 30% better clipping collection
  • Push button start no-hassle startup easy-to- use features
  • Adjustable cutting height 6 adjustable cutting heights ranging from 1 inch to 3 inch
7
CRAFTSMAN Gas Powered Lawn Mower, 21-inch Push Mower, 140cc (M105)

Rating is 4.4 out of 5

CRAFTSMAN Gas Powered Lawn Mower, 21-inch Push Mower, 140cc (M105)

  • POWERFUL ENGINE: 140cc BRIGGS & STRATTON engine with auto-choke
  • MOWING CONVENIENCE: 21 in., 3-in-1 convertible deck lets you side discharge, mulch, or rear bag grass clippings
  • CLIPPING COLLECTION: Rear bag collects grass clippings for easy cleanup or composting
  • HEIGHT ADJUSTMENT: Dual-lever, 6-position height adjustment makes it easy to change cutting heights from 1.25 in. to 3.75 in. high
  • COMFORT: Adjustable loop handle for comfort while mowing. MULCH KIT: Included to help put nutrients back into soil for a healthy lawn
8
BLACK+DECKER 3-in-1 String Trimmer/Edger & Lawn Mower, 6.5-Amp, 12-Inch, Corded (MTE912) (Power cord not included), Black/Red

Rating is 4.3 out of 5

BLACK+DECKER 3-in-1 String Trimmer/Edger & Lawn Mower, 6.5-Amp, 12-Inch, Corded (MTE912) (Power cord not included), Black/Red

  • 3N1 DESIGN – Electric mower easily converts to string trimmer and edger via a built-in foot pedal for versatile use.
  • 6.5 AMP MOTOR – Supplies the ideal amount of power when trimming grass, weeds, and overgrowth.
  • GEAR DRIVE TRANSMISSION – For tackling tougher, thicker grass without getting bogged down.
  • AFS AUTOMATIC FEED SPOOL – Continuously feeds trimmer line without bumping for seamless, uninterrupted trimming.
  • ADJUSTABLE MOWER DECK AND TRIMMER HANDLE – Lawn mower deck and string trimmer handle are adjustable for ideal grass- cutting height and added comfort.
  • CORDED – Corded design offers unlimited runtime for even the biggest jobs.
  • INCLUDES – (1)GH912 trimmer/edger, (1) MTD100 detachable mower deck, (1) AF-100 spool, (1) auxiliary handle, (1) guard.
  • Note: Item requires power cord. Power cord not included


What are some alternative methods to clean a push mower's air filter?

There are a few alternative methods you can try to clean a push mower's air filter:

  1. Compressed Air: Use a can of compressed air to blow out any debris and dirt from the air filter. Hold the can at a distance to prevent damaging the filter.
  2. Brushing: Use a soft-bristle brush or an old toothbrush to gently brush away any dirt and debris from the air filter. Be careful not to damage the filter material.
  3. Vacuuming: Use a vacuum cleaner with a brush attachment to remove loose debris from the air filter. This method is effective in removing larger particles.
  4. Soap and Water: If your air filter is made of foam material, you can wash it with mild soap and water. Gently squeeze out the excess water and allow it to air dry completely before reinstalling.


It's important to note that not all air filters are washable or reusable. If your air filter is too dirty or damaged, it might be best to replace it with a new one for optimal performance. Always refer to your mower's user manual for specific instructions on cleaning and maintaining the air filter.


Can a damaged air filter affect the engine of a push mower?

Yes, a damaged air filter can affect the engine of a push mower. The air filter is responsible for preventing dust, dirt, and debris from entering the engine and causing damage. If the air filter is damaged or clogged, airflow to the engine may be restricted, leading to poor engine performance, reduced power, and potentially excessive fuel consumption. Additionally, dirt and debris can bypass a damaged air filter and enter the engine, causing increased wear and damage over time. It is important to regularly inspect and replace the air filter on a push mower to ensure proper engine function and performance.


How do you remove the air filter on a push mower?

To remove the air filter on a push mower, follow the steps below:

  1. Ensure the mower is turned off and the engine is cool.
  2. Locate the air filter housing on the side or top of the mower's engine. It is usually a box-like structure made of plastic.
  3. Depending on the type of air filter, there may be a latch or screws holding the housing in place. If there is a latch, lift it up to release the air filter housing. If there are screws, use a screwdriver to loosen and remove them.
  4. Once the housing is open, carefully lift out the old air filter. Take note of its orientation, especially if it has a specific top or bottom.
  5. Inspect the old air filter for any signs of damage, excessive dirt, or clogging. If it is dirty or damaged, it should be replaced; otherwise, it can be cleaned.
  6. If the air filter is reusable, gently tap it to remove any loose debris or dust. If it needs cleaning, soak it in warm, soapy water, rinse thoroughly, and allow it to fully dry before reusing.
  7. If replacing the air filter, insert the new one in the same orientation as the old filter. Ensure it sits snugly and fits properly within the housing.
  8. Close the air filter housing, making sure it is securely latched or screwed back in place.
  9. Start the mower and ensure it is running smoothly with the new or clean air filter.


It is important to regularly check and clean or replace the air filter as a clogged or dirty filter can affect the mower's performance and fuel efficiency. Refer to your mower's manual for specific instructions and maintenance guidelines.


How do you clean a foam air filter on a push mower?

To clean a foam air filter on a push mower, you can follow these steps:

  1. Preparation: Make sure the engine is completely cool before starting the cleaning process. Also, assemble the necessary tools such as a flathead screwdriver, a clean container or basin, mild dish soap, and clean water.
  2. Locate the air filter: On most push mowers, the air filter is situated on the side of the engine or under a cover. Consult the mower's manual if you are unsure about the exact location.
  3. Remove the air filter cover: If there is a cover over the air filter, use a screwdriver to loosen and remove the screws or clips holding it in place. Take off the cover carefully, ensuring not to damage or tear any surrounding components or hoses.
  4. Remove the air filter: Once the cover is off, you can now access the foam air filter. Gently pull it out from its housing. Be cautious not to break or tear the foam as it might affect its filtering efficiency.
  5. Clean the air filter: Fill a container or basin with warm water and add a few drops of mild dish soap. Place the foam air filter into the soapy water and allow it to soak for a few minutes. Then, swish it around gently or squeeze it a few times to remove any dirt or debris trapped in the foam.
  6. Rinse the air filter: After scrubbing the filter in the soapy water, rinse it thoroughly with clean water. Ensure all soap residue and contaminants are cleared away from the foam filter.
  7. Dry the air filter: Gently squeeze excess water from the foam filter without twisting or wringing it. Place the filter on a clean towel or paper towels and allow it to air dry completely. Do not use heat sources like hairdryers or put the filter under direct sunlight.
  8. Reinstall the air filter: Once the foam filter is dry, put it back into the air filter housing. Ensure it fits snugly and securely. Reattach the cover and fasten any screws or clips that hold it in place.
  9. Maintenance: Regularly inspect the air filter for dirt accumulation and clean it as needed. It is recommended to clean the foam air filter every 25 hours of use or at the start of each mowing season.


By following these steps, you can effectively clean the foam air filter on your push mower and maintain its optimal performance.


What is the purpose of the air filter on a push mower?

The purpose of the air filter on a push mower is to prevent dust, debris, and other particles from entering the engine's combustion chamber. The air filter helps to ensure that clean air is flowing into the engine, which is necessary for efficient combustion. It helps to protect the engine from damage by preventing various contaminants from fouling the internal components. A clean and properly functioning air filter is crucial for maintaining optimal engine performance and prolonging the lifespan of the mower.

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