Changing Fuel Filters: Snapper Lawnmower Maintenance Guide

Fuel filters are an essential component of any lawnmower, as they prevent dirt, dust, and debris from entering the carburetor and ensure the engine performs efficiently. While the process of changing a fuel filter is relatively straightforward, it is important to take safety precautions such as wearing safety eyewear and ensuring the engine is completely cooled before beginning. The exact location of the fuel filter varies across different models, so it is recommended to refer to the owner's manual for specific instructions. Additionally, when purchasing a replacement fuel filter, it is necessary to consider the micron rating, which indicates the filtration capability of the filter.

Where is the fuel filter located?

The location of the fuel filter in a Snapper lawnmower depends on the model. Most Snapper brand fuel filters are located in the fuel line, between the fuel pump and the fuel shut-off valve. However, in some equipment, the fuel filter may be built into the fuel tank and may not be serviceable.

The exact location of the fuel filter on your Snapper lawnmower model can be found by consulting the owner's manual.

In general, lawn mower fuel filters are located inside or attached to the fuel line, or inside the gas tank. The replaceable kind is often a small plastic canister with pleated material inside, or a thin, straw-like tube-style device with a fine mesh at one end. The non-replaceable kind is usually a metal mesh at the bottom of the gas tank where it empties into the fuel line.

How to remove the fuel filter

To remove the fuel filter from your Snapper lawnmower, you must first locate it. Fuel filters are generally located inside or attached to the fuel line or inside the gas tank. In Snapper lawnmowers, they are usually found in the fuel line, between the fuel pump and the fuel shut-off valve.

Before you begin, park your mower in a flat area, such as inside your garage, and let the engine cool completely. Wear safety glasses to protect your eyes from fuel and fuel vapors. Use a drip pan and shop rags to prevent spills during filter removal.

To remove the fuel filter, you will need to disconnect the wire from the spark plug to prevent the engine from accidentally starting while you work. Locate the fuel line and use pliers to release the spring clips holding the line to the gas tank spigot and filter. Pull the fuel line off the spigot and remove the filter.

If you have a canister-style filter, you will need to push the ends of the fuel line segments onto the spigots of the new filter and secure them with spring clips. Be sure to install the canister-style filter in the correct direction, usually indicated by an arrow on the casing pointing in the direction of fuel flow.

For tube-style filters, simply pull out the old filter and pop in the new one, ensuring it is oriented the same way as the old one.

Finally, reconnect the fuel line and replace the spring clamps.

How to clean the fuel filter

To clean the fuel filter of your Snapper lawnmower, begin by parking your mower in a flat area, like inside your garage. Let the engine cool completely. Drain all the gas from the tank with a siphon, or simply run the mower dry. (Always do the latter outside.) Disconnect the wire from the spark plug so that the engine doesn't accidentally start while you're working on it.

Locate the fuel line. With pliers, release the spring clips holding the line to the gas tank spigot and filter. Pull the fuel line off the spigot and remove the filter.

For canister-style filters, look through the transparent plastic casing and examine the pleated material inside. If you can see debris inside or if it is severely discoloured, you will need to replace the filter. Unfortunately, there is no convenient way to clean this type of filter.

For tube-style filters, look closely at the meshed end. If you can see dirt or debris inside, rinse it out carefully with water until it is clear. If you are unable to clean it, you can always buy and install a new filter.

How to install a new fuel filter

Step 1: Prepare your work area

Before you begin, ensure you are in a safe area with no open flame or fire source. Wear safety eyewear to protect your eyes from liquid fuel or fuel vapors, and keep a dry cloth handy to hold the filter and catch any dripping fuel. It is also recommended to use a drip pan and shop rags to prevent spills during filter removal and installation.

Step 2: Locate the fuel filter

The fuel filter will typically be located either inside the fuel tank or fitted into the fuel line between the tank and the fuel pump. If you are unsure of its location, refer to your owner's manual.

Step 3: Drain the fuel tank

If the filter is installed inside the tank, you will need to drain the tank before removing the filter. Drain all the gas from the tank with a siphon, or simply run the mower dry. Always perform this step outside.

Step 4: Disconnect the fuel line

Shut the fuel valve, if your mower is equipped with one. It may be located at the base of the fuel tank, where the gas line is attached. If your tank is not equipped with a valve, clamp the gas line using a fuel line clamp. Do not pinch the fuel line as this could cause damage.

Step 5: Remove the old fuel filter

If your filter is installed in the fuel line, remove the metal clips on each side of the filter using needle-nose pliers, and slide the filter out of the fuel line.

Step 6: Inspect the old fuel filter

Shake the filter over a clean cloth to displace any remaining fuel, then use the cloth to wipe away any residue from the outside of the filter. Keep the filter a safe distance from your face and look through one end. If you can see light shining through clearly from the other side and no debris clogging the mesh screen, your filter is still in good condition and may not need replacing.

Step 7: Install the new fuel filter

When installing the new fuel filter, ensure that it is oriented in the correct direction. Most filters will have an arrow that points in the direction of fuel flow, which should be towards the carburetor. If there is no arrow, place the larger end of the filter towards the engine. Reconnect the metal clips on both sides of the filter and reattach the fuel line.

Step 8: Check for leaks

Once the new fuel filter is installed, check for leaks. Do not operate the mower if any leaks are found.

Step 9: Regular maintenance

To prevent costly repairs and extend the life of your engine, it is recommended to change your fuel filter annually as part of your mower's regular maintenance.

Safety precautions when changing the fuel filter

Safety should always be a priority when working on any vehicle, and this task is no exception. Here are some safety precautions to follow when changing the fuel filter on your Snapper lawnmower:

Work in a Well-Ventilated Area

It is important to work in a well-ventilated area to avoid inhaling any fumes or gases. Keep the area open and ensure there is adequate airflow to prevent the buildup of flammable gases.

Wear Protective Gear

Always wear gloves to protect your hands from any chemicals or contaminants. Additionally, wear safety goggles to shield your eyes from fuel and debris. If you wish to be extra cautious, consider wearing long sleeves and pants to avoid any skin contact with fuel or sharp objects.

Be Cautious with Fuel Lines

Fuel lines can be under pressure, and disconnecting them may release fuel. Have a fire extinguisher nearby as a safety precaution. Also, use a drip pan or an old towel to catch any spilled fuel.

Disconnect the Spark Plug

Before beginning any work on the fuel filter, disconnect the spark plug wire to prevent accidental engine startup. This simple step can help ensure your safety while working on the lawnmower.

Properly Dispose of the Old Fuel Filter

Follow the appropriate guidelines for your area when disposing of the old fuel filter and any other waste materials. Take them to a designated disposal facility to ensure they are handled correctly and do not harm the environment.

Avoid Open Flames

Ensure there are no open flames or fire sources nearby when working on the fuel filter. Fuel vapors can ignite, so keep the work area free from any potential ignition sources.

Consult the Manual

If you are unsure about any steps or safety precautions, refer to your Snapper lawnmower's manual for specific instructions and guidelines. It is important to follow the manufacturer's recommendations to ensure a safe and proper fuel filter replacement.

Frequently asked questions