Draining the gas from your riding lawn mower is a crucial maintenance task, often overlooked but vital for its longevity and performance. Whether you’re preparing it for winter storage, performing repairs, or dealing with stale fuel, understanding the proper procedure is essential. This guide provides a detailed, step-by-step approach to safely and effectively drain the gas from your riding lawn mower.
Why Drain the Gas? Understanding the Importance
Leaving gasoline in your lawn mower’s tank for extended periods can lead to significant problems. Over time, gasoline can degrade and form varnish and gum deposits. These deposits can clog the fuel lines, carburetor, and other engine components, making it difficult to start the mower or causing it to run poorly. Draining the gas eliminates this risk and helps prevent costly repairs.
Stale gasoline is a common cause of starting problems, especially after winter storage. The lighter, more volatile components evaporate, leaving behind a thicker, less combustible residue. This residue can also attract moisture, further contributing to corrosion and fuel system issues.
Beyond preventing mechanical problems, draining the gas is also a safety precaution. Gasoline is highly flammable, and storing a lawn mower with a full tank can increase the risk of fire, especially in enclosed spaces.
Preparing for the Task: Gathering the Necessary Tools and Materials
Before you begin draining the gas, it’s essential to gather all the necessary tools and materials. This will help ensure a smooth, safe, and efficient process.
You’ll need a suitable container to collect the gasoline. A gasoline-approved container with a tight-fitting lid is crucial to prevent spills and evaporation. The size of the container should be large enough to hold all the gasoline in the mower’s tank.
Safety is paramount, so wear safety glasses and chemical-resistant gloves to protect your eyes and skin from gasoline exposure. Gasoline can irritate the skin and cause serious eye damage.
You’ll also need a siphon pump or a fuel line clamp and a small container for catching any spilled fuel. A siphon pump allows you to transfer the gasoline from the tank to the container without manually pouring it. A fuel line clamp will prevent fuel from flowing uncontrollably if you choose to disconnect the fuel line.
Finally, have some rags or absorbent pads on hand to clean up any spills that may occur. Gasoline spills can be dangerous and can damage surfaces, so it’s essential to clean them up promptly.
Methods for Draining the Gas Tank: Choosing the Right Approach
There are two primary methods for draining the gas tank of a riding lawn mower: using a siphon pump and disconnecting the fuel line. Each method has its advantages and disadvantages.
Method 1: Using a Siphon Pump
Using a siphon pump is often the easiest and safest method for draining the gas tank. It involves inserting a tube into the tank and using a pump to draw the gasoline out.
To start, ensure the lawn mower is turned off and the engine is cool. Open the gas tank cap and insert one end of the siphon pump hose into the tank. Place the other end of the hose into your gasoline-approved container.
Follow the siphon pump’s instructions to begin siphoning the gasoline. This usually involves squeezing a bulb or using a hand pump. Continue siphoning until the tank is empty.
Once the tank is empty, carefully remove the siphon pump hose and replace the gas tank cap. Dispose of the gasoline properly according to local regulations.
Method 2: Disconnecting the Fuel Line
Disconnecting the fuel line is another way to drain the gas tank, but it requires more caution and is generally messier than using a siphon pump.
Again, ensure the lawn mower is turned off and the engine is cool. Locate the fuel line that connects the gas tank to the carburetor. Place a gasoline-approved container under the fuel line to catch the gasoline.
Use a fuel line clamp to pinch off the fuel line close to the tank to prevent a large amount of fuel from gushing out at once. Carefully disconnect the fuel line from the carburetor or the fuel filter.
Slowly release the fuel line clamp to allow the gasoline to flow into the container. Continue until the tank is empty.
Once the tank is empty, reconnect the fuel line and tighten the clamp. Dispose of the gasoline properly. Be sure to clean up any spilled gasoline immediately.
Step-by-Step Guide: A Detailed Walkthrough
Let’s delve into a detailed, step-by-step guide to draining the gas from your riding lawn mower, covering both methods discussed earlier.
Step 1: Safety First
Before you even think about touching the mower, ensure you’re in a well-ventilated area. Gasoline fumes are harmful and can be flammable. Work outdoors if possible, or open all doors and windows in your garage or shed.
Wear your safety glasses and chemical-resistant gloves. This protects your eyes and skin from potential splashes and irritation.
Keep a fire extinguisher nearby, just in case. Although unlikely, it’s always better to be prepared for a fire.
Step 2: Preparing the Mower
Turn off the lawn mower’s engine and allow it to cool down completely. Never work on a hot engine.
Disconnect the spark plug wire to prevent accidental starting. This is a crucial safety precaution.
Position the mower on a level surface. This will ensure that all the gasoline drains out of the tank.
Step 3A: Draining with a Siphon Pump (Detailed)
Open the gas tank cap. Carefully insert one end of the siphon pump hose into the tank, ensuring it reaches the bottom.
Place the other end of the hose into your gasoline-approved container. Make sure the container is placed below the level of the gas tank to facilitate the siphoning process.
Follow the instructions for your specific siphon pump to begin the siphoning action. This may involve squeezing a bulb, pumping a handle, or using an electric pump.
Monitor the gasoline flow and the level in the container. Be careful not to overfill the container.
Once the tank is empty, carefully remove the siphon pump hose and replace the gas tank cap.
Step 3B: Draining by Disconnecting the Fuel Line (Detailed)
Locate the fuel line connecting the gas tank to the carburetor or fuel filter. This is usually a small rubber hose.
Place a gasoline-approved container directly beneath the fuel line to catch the draining gasoline.
Use a fuel line clamp to pinch off the fuel line as close to the gas tank as possible. This will minimize spillage when you disconnect the line.
Carefully disconnect the fuel line from the carburetor or fuel filter. Be prepared for a small amount of gasoline to spill.
Slowly release the fuel line clamp to allow the gasoline to flow into the container.
Monitor the gasoline flow and the level in the container. Be careful not to overfill the container.
Once the tank is empty, reconnect the fuel line and tighten the clamp securely.
Step 4: Final Steps
Inspect the fuel line and connections for any signs of damage or wear. Replace any damaged components.
Clean up any spilled gasoline immediately with rags or absorbent pads. Dispose of the used rags properly.
Replace the spark plug wire.
Dispose of the gasoline properly according to local regulations. Never pour gasoline down the drain or onto the ground.
Dealing with Old Gasoline: Proper Disposal Methods
Old gasoline is considered hazardous waste and must be disposed of properly. Never pour it down the drain, onto the ground, or into a storm sewer.
The best way to dispose of old gasoline is to take it to a local hazardous waste collection center. These centers are equipped to handle hazardous materials safely and environmentally responsibly.
Many auto repair shops and gas stations also accept used gasoline for recycling. Contact your local shops to see if they offer this service.
You can also mix the old gasoline with fresh gasoline in your car’s fuel tank, but only if the old gasoline is relatively clean and free of debris. Use a ratio of no more than 1 part old gasoline to 10 parts fresh gasoline.
Preventive Measures: Keeping Your Fuel System Healthy
Taking preventive measures can help keep your fuel system healthy and reduce the need to drain the gas tank frequently.
Using a fuel stabilizer is highly recommended, especially when storing your lawn mower for extended periods. Fuel stabilizers prevent gasoline from degrading and forming harmful deposits. Add fuel stabilizer to the gas tank according to the manufacturer’s instructions before storing the mower.
Run the engine for a few minutes after adding the fuel stabilizer to ensure it circulates throughout the fuel system.
Store your lawn mower in a dry, well-ventilated area. This helps prevent moisture from entering the fuel system.
Regularly inspect the fuel lines and fuel filter for signs of damage or wear. Replace these components as needed.
Consider using ethanol-free gasoline. Ethanol can attract moisture and cause corrosion in the fuel system.
Troubleshooting Common Issues: What to Do When Things Go Wrong
Sometimes, even with careful planning, things can go wrong when draining the gas from your riding lawn mower. Here are some common issues and how to troubleshoot them:
- Gasoline not draining: If the gasoline is not draining, check for clogs in the fuel line or siphon pump. Disconnect the fuel line or siphon pump and blow air through it to clear any obstructions.
- Gasoline leaking: If gasoline is leaking, immediately stop the draining process and clean up the spill. Check the fuel lines and connections for leaks and tighten them as needed. Replace any damaged fuel lines.
- Siphon pump not working: If the siphon pump is not working, check the instructions to make sure it is assembled and operated correctly. Also, ensure the hose is not kinked or blocked.
- Difficulty disconnecting the fuel line: If you are having difficulty disconnecting the fuel line, use a fuel line removal tool or carefully cut the hose with a utility knife. Be careful not to damage the fuel tank or carburetor.
Conclusion: Maintaining Your Lawn Mower for Optimal Performance
Draining the gas from your riding lawn mower is a simple but essential maintenance task that can significantly extend its lifespan and improve its performance. By following the steps outlined in this guide, you can safely and effectively drain the gas and prevent costly repairs. Remember to always prioritize safety, use the proper tools, and dispose of old gasoline properly. By incorporating these preventive measures and addressing potential issues promptly, you can keep your lawn mower running smoothly for years to come.
Why would I need to drain the gas from my riding lawn mower?
Draining the gas from your riding lawn mower is crucial for several reasons. Primarily, it’s necessary for winterizing your mower. Gasoline can degrade over time, especially during periods of disuse. Old gas can gum up the carburetor and other fuel system components, leading to starting problems and reduced engine performance when you try to use the mower again in the spring.
Additionally, draining the gas is essential for safety when performing maintenance or repairs on the fuel system. Removing the fuel eliminates the risk of spills or accidental ignition during tasks like carburetor cleaning or fuel line replacement. Storing a mower with gasoline for extended periods also poses a fire hazard, making drainage a precautionary measure.
What tools do I need to drain gas from a riding lawn mower?
The necessary tools for draining gas are relatively simple and readily available. You’ll need a fuel stabilizer (if storing the mower long-term), a siphon or a hand pump specifically designed for transferring fluids (avoid using your mouth!), a container approved for gasoline storage, and some rags or paper towels to clean up any spills.
You might also find it helpful to have gloves to protect your hands from gasoline exposure and a small screwdriver or pliers to loosen any fuel lines if necessary. Ensure the container you use is clearly labeled for gasoline and is in good condition to prevent leaks. A funnel can also be useful to direct the fuel flow into the container.
How do I use a siphon to drain the gas?
Using a siphon involves inserting one end of the tube into the gas tank and the other end into your approved gasoline container, which should be placed lower than the tank. Start the siphon by creating suction on the container end of the tube. This can be done using a siphon bulb or, carefully, by sucking on the tube until the gas starts to flow.
Once the gas begins to flow, the siphon will maintain itself due to gravity. Monitor the process closely to ensure the container doesn’t overflow. Once the tank is nearly empty, you can gently lift the end of the siphon tube inside the tank to pick up any remaining fuel until it’s completely drained. Dispose of the old gas properly at a recycling center or hazardous waste facility.
Is it safe to use a hand pump to drain the gas?
Yes, using a hand pump is generally a safer method than using a siphon that requires manual suction. A hand pump eliminates the risk of accidentally ingesting gasoline, which is harmful. These pumps are designed specifically for transferring fluids like gasoline and are readily available at most auto parts stores.
To use a hand pump, simply insert the intake hose into the gas tank and the dispensing hose into your approved gasoline container. Follow the pump’s instructions to initiate the flow of gasoline. Most hand pumps have a squeeze handle or a rotary mechanism to draw the fuel out of the tank and into the container.
What should I do with the old gasoline after draining it?
Never pour old gasoline down the drain, into the sewer system, or onto the ground. Gasoline is a hazardous material that can contaminate soil and water supplies. Improper disposal can result in significant environmental damage and potentially legal consequences.
The best way to dispose of old gasoline is to take it to a local recycling center or hazardous waste collection facility. These facilities are equipped to handle hazardous materials safely and responsibly. Some auto parts stores may also accept used gasoline for recycling. Contact your local authorities or waste management service to find the nearest appropriate disposal location.
What is the best way to prepare my riding lawn mower for long-term storage after draining the gas?
After draining the gas, consider adding a fuel stabilizer to the small amount of residual fuel that may remain in the carburetor and fuel lines. Start the mower and let it run for a few minutes to allow the stabilized fuel to circulate through the system. This will help prevent the formation of gum and varnish deposits that can clog the fuel system during storage.
In addition to stabilizing the fuel system, it is also recommended to disconnect the spark plug wire, change the oil and filter, clean the mower deck, sharpen the blades, and store the mower in a dry, covered area. Properly winterizing your riding lawn mower will extend its life and ensure it starts easily when you need it again in the spring.
What if I can’t drain all the gas from the tank?
While striving to drain as much gas as possible is ideal, it’s not always feasible to remove every last drop. If a small amount of fuel remains, adding a fuel stabilizer is even more important. The stabilizer will help prevent the remaining gas from degrading and causing problems within the fuel system.
Run the engine for a few minutes after adding the stabilizer to ensure it circulates throughout the carburetor and fuel lines. Then, follow other winterizing steps like changing the oil, cleaning the mower, and storing it properly. The fuel stabilizer should minimize any issues caused by the small amount of leftover gasoline.