The air filter is a crucial part of any machine and deserves more protection because it prevents dirt and debris from slowing down or damaging the engine. You don’t want to invest in the best riding lawn mower and be forced to replace your engine after just a few uses. A clean and undamaged air filter will protect the carburetor from any contaminants. Most air filters are made of foam or pleated paper.
Cleaning or swapping the air filter on your lawnmower is measured as part of the all-purpose tuning and continuation of Briggs and Stratton engines. Following this step protects the machine from the menace and improves its good organization by making longer its life. In the case of the foam pre-filter, it should be cleaned every 25 hours of the procedure. On the other hand, on the paper air filter housing, should be replaced after a minimum of 300 hours of operation. Particularly, in grimy conditions, an air filter should be replaced as it can become congested. When an air filter becomes clogged, there is no passage for air to go into the engine. There will be no burning of the engine because the oxygen, an indispensable element to start the combustion of the engine, does not enter the engine.
Some have air filters and air pleated paper. They are known as dual-element air filters and offer double-layer protection. Before you learn how to clean a paper lawn mower air filter, you need to know the type of your lawnmower so that you can locate it. Most models have the air filter near the top of the engine, covered with steel or plastic. After locating it, you can check it as often as possible to see if it is dirty or oily and needs urgent cleaning.
Find an air filter that is right for your mower model and always consult your owner’s manual to see what is recommended. There are three types of air filters on the market: a foam air filter that requires lubrication to cover the foam; a paper filter that looks like accordion folds in a plastic case; and a hybrid or dual element filter, which includes a foam element (called a pre-filter or pre-filter) and a paper element as the main filter.
Check the details of your specific type
The first step in cleaning an air filter is to do your research. Consult online resources or your user manuals for more information on the different parts. This will assist you to appreciate the model and making an assortment of parts (like a carburetor, engine oil, tires, air filters, etc.) for your Briggs and Stratton lawnmower.
Some models of lawnmowers have a relatively simpler mechanism for cleaning the air filters. For some other Briggs and Stratton lawn mower models, you need a good step-by-step procedure to clean or replace both air filters.
Make sure your mower is turned off:
Once you’ve done your research and are familiar with the make and model of Briggs and Stratton engines and the parts involved, the next obvious step that many people tend to overlook is making sure the mower is switched off and unplugged the source of power.
In addition to the engine, a lawnmower includes many other moving parts that work even when the engine is off. Therefore, it is necessary to ensure that the entire mower is turned off and unplugged as a safety measure to avoid hazards.
Disengage the spark plugs:
This step is taken as a precaution before you start cleaning the mower. For safety, the spark plugs must be disconnected. Spark plugs are an integral part of the engine and are essential to starting it. They are usually located at the front of the machine. Once you find them, you can disconnect them by removing the wires that go into the spark plugs. You can even remove them with a properly sized wrench. Disconnecting the spark plugs is a prerequisite for safe working.
Situate the air filter:
just once you are completed with the safety measures, the next footstep is to establish the air filter. In the case of a Briggs and Stratton mower, the air filter is usually located near the top of the engine, enclosed in a metal or plastic housing that has been secured with screws. You can remove the air filters by unscrewing the wing nut that holds the air filter housing. After that, remove the casing and lift up the filter.
Clean the air filter:
A Briggs and Stratton lawnmower consists of foam air filters that are used as a pre-filter. To clean, remove the filter and wash it well with hot water and liquid soap until all the grease present begins to decrease. After that, remove as much water as possible by rinsing. When flushing is complete, spray the air filter with just the right amount of engine oil, as too much could cause problems with the exhaust system. Therefore, it is recommended to extract the extreme oil content from the air filter.
After cleaning the pre-filter, you can now clean the dual-element air filter which is a cartridge with soapy water and a brush.
Once the filter is clean, remove any residue from the rubber gasket/encapsulation that seals the carburetor block air filter. Also check for breaks and leaks in the joint and if there are any, be sure to seal it completely.
Ensure the presence of the appropriate equipment:
To remove the air filter, you will need to unscrew the housing to remove and clean the rubber gasket from the inside. Make sure you have enough screws of the correct size if they are corroded or damaged.
Therefore, it is necessary to have the right tools and supplies before moving on to the cleaning phase.
Put everything in its place:
It is necessary to check any parts or components that you remove. Keep a container for the screws so they don’t get lost. And if needed, take photos or video with your phone where each screw is and how the pieces fit together. This step will help you get the machine back in order and avoid panic caused by small screws and misplaced components.
How to change a dual-element air filter
- Remove the button (s) and cap.
- Carefully remove the foam pre-filter, if applicable.
- Reinstall the cartridge, nuts, pre-filter, and cover. Firmly tighten the knob (s).
- Replace if it is very dirty, damaged, or if it does not fit properly.
If you need to replace the air filter on your small engine, you’ll need to locate the part number by finding your engine’s model number, and once you have it, you can find the manual for your small engine. Your local authorized Briggs & Stratton dealer can also answer all of your questions regarding small engine repair and maintenance.
Learning how to clean a paper lawn mower air filter is very easy. Once you get the hang of it, you’ll do it in under an hour. Regular cleaning is essential because the air filter is the first line of defense against dirt and debris that typically causes premature wear and tear on a lawn mower’s engine. It would be painful to decimate your bank balance to get the best self-propelled lawnmower on the market and then have to replace your engine after just 2 months of use.