The first snowfall of the season can be a beautiful sight, but for many homeowners, it also signals the potential for a daunting chore: clearing their driveways and walkways. If your trusty snowblower has been gathering dust in the garage for several winters, the prospect of getting it running again can seem like a Herculean task. Fear not, for with a systematic approach and a little patience, you can bring your dormant snowblower back to life and conquer winter's icy grip.
This article will guide you through the essential steps to safely and effectively start a snowblower that has been sitting unused for an extended period. We'll cover everything from crucial pre-start checks to troubleshooting common issues, ensuring you're prepared to tackle any snow event. By the end of this guide, you'll have the knowledge and confidence to revive your winter warrior and ensure a snow-free season ahead.
Safety First: Essential Pre-Start Precautions
Before you even think about pulling a starter cord or pressing a button, prioritizing safety is paramount. A snowblower, especially one that hasn't been used in years, can harbor hidden hazards. Always ensure the machine is turned off and disconnected from any power source, including the spark plug wire, to prevent accidental starts. Wear appropriate personal protective equipment (PPE) such as sturdy gloves, safety glasses, and closed-toe shoes. It's also wise to have a fire extinguisher readily available, especially when dealing with fuel.
Inspect the snowblower for any obvious signs of damage or wear. Check the tires for proper inflation and look for any loose or damaged parts, particularly on the auger and impeller. Ensure the discharge chute is clear of any debris, such as nesting materials from small animals or accumulated leaves and dirt. A thorough visual inspection can prevent minor issues from becoming major problems and, more importantly, safeguard you from injury.
Familiarize yourself with the location of all controls, including the throttle, choke, primer bulb (if equipped), and the ignition switch or pull cord. Understanding how each component functions before attempting to start the engine will make the process smoother and safer. If you're unsure about any aspect of the machine's operation or safety features, consult the owner's manual or seek assistance from a qualified technician.
Fueling the Fire: Addressing the Fuel System
One of the most common reasons a snowblower fails to start after a long period of inactivity is stale fuel. Gasoline degrades over time, especially when exposed to air and heat, leading to gumming and varnish deposits that can clog fuel lines and the carburetor. If the fuel in the tank is more than a year old, it's best to drain it completely. Use a siphon pump to remove the old fuel into an approved container and dispose of it properly at a hazardous waste facility.
Once the old fuel is drained, refill the tank with fresh gasoline. It's highly recommended to use a fuel stabilizer, especially if you anticipate periods of non-use in the future. Stabilizers prevent fuel degradation and keep the fuel system clean. For most modern snowblowers, unleaded gasoline with an octane rating of 87 or higher is suitable. Always check your owner's manual for specific fuel recommendations.
If your snowblower has a primer bulb, press it several times (usually 3-5) until you see fuel filling the bulb. This helps to draw fresh fuel into the carburetor. If there's no primer bulb, you might need to engage the choke and crank the engine a few times to prime the system. Be patient, as it may take a few attempts for the fresh fuel to reach the combustion chamber.
Ignition and Spark: Ensuring a Strong Spark
A strong spark is crucial for igniting the fuel-air mixture in the engine. After ensuring the fuel system is addressed, the next critical step is to inspect and potentially replace the spark plug. Over time, spark plugs can become fouled with carbon deposits or corroded, hindering their ability to produce a consistent spark.
To access the spark plug, locate it on the side of the engine. You'll likely need a spark plug wrench to remove it. Once removed, examine the plug for signs of wear, damage, or heavy fouling. If it appears dirty or worn, it's best to replace it with a new one that matches the specifications in your owner's manual. When installing the new plug, tighten it firmly but avoid over-tightening, which can damage the engine block.
To test the existing spark plug (or a new one), reconnect the spark plug wire to the plug. Then, carefully hold the metal body of the spark plug against a clean, unpainted metal part of the engine block. Have someone else slowly pull the starter cord or turn the ignition key. You should see a bright blue spark jump across the gap of the spark plug. If the spark is weak, yellow, or non-existent, there might be an issue with the spark plug wire, the ignition coil, or the engine's electrical system, which may require professional diagnosis.
Breathing Easy: Air Filter and Carburetor Checks
An engine needs a proper mix of fuel and air to run efficiently. A clogged air filter can starve the engine of air, making it difficult or impossible to start. Locate the air filter housing, which is usually a plastic or metal box on the side of the engine. Open the housing and remove the air filter.
Inspect the air filter for dirt, debris, or oil saturation. If it's a paper filter and appears dirty, it's best to replace it with a new one. Foam filters can often be cleaned by washing them with soap and water, then allowing them to dry completely before re-oiling them lightly with a specific foam air filter oil. A clean air filter ensures the engine receives adequate airflow for combustion.
The carburetor is responsible for mixing fuel and air in the correct proportions. After sitting for years, the carburetor is a prime suspect for starting issues due to dried fuel residue and varnish. While cleaning a carburetor can be a more involved process, a common first step is to try a carburetor cleaner additive. Pour this additive into the fresh fuel tank and run the engine for a short period (if it starts) or let it sit for a while to allow the cleaner to work its way through the fuel system. If the engine still struggles or runs erratically, a more thorough manual cleaning or professional servicing of the carburetor may be necessary.
The Moment of Truth: Starting Procedures and Troubleshooting
With the safety checks, fuel system, ignition, and air filter addressed, it's time to attempt starting the snowblower. Ensure the machine is on a level surface and that the area around it is clear. Engage the choke (if applicable) to enrich the fuel-air mixture for starting. Set the throttle to the desired starting position, usually a medium speed.
For pull-start models, grasp the starter handle firmly and pull it with a smooth, steady motion. Avoid jerky movements. If the engine doesn't fire up after a few pulls, you might need to adjust the choke or throttle position. For electric start models, ensure it's plugged into a working outlet and press the start button. Listen for the engine to sputter and try to catch. Once it starts, gradually move the choke to the "run" position as the engine warms up.
If the snowblower still refuses to start, don't get discouraged. Common troubleshooting steps include checking the oil level (some engines have a low-oil sensor that prevents starting), ensuring the spark plug wire is securely attached, and verifying that the fuel shut-off valve (if present) is open. If you've gone through these steps and the engine remains unresponsive, it's advisable to consult your owner's manual for specific troubleshooting tips or seek the expertise of a small engine repair professional.
Key Takeaways
- ✓ Always prioritize safety by disconnecting the spark plug and wearing PPE before any maintenance.
- ✓ Stale fuel is a primary cause of starting issues; drain and refill with fresh gasoline and a stabilizer.
- ✓ Inspect and replace the spark plug if it shows signs of wear or fouling for a strong spark.
- ✓ A clean air filter is essential for proper engine operation; replace or clean as needed.
- ✓ If the engine doesn't start after initial attempts, check oil levels, spark plug wire, and fuel shut-off valve.
Frequently Asked Questions
How long can gasoline sit in a snowblower before it goes bad?
Gasoline typically starts to degrade significantly after about 30 days, especially if not stored properly. After six months to a year, it can become stale enough to cause starting problems and damage fuel system components. Using a fuel stabilizer can extend its shelf life considerably.
What if my snowblower has an electric start but won't turn over?
If the electric start motor engages but the engine doesn't crank, check the battery charge (if it has one), the connection to the power source, and the starter solenoid. If the motor doesn't engage at all, the issue could be with the ignition switch, a safety interlock switch, or the motor itself.
My snowblower starts but then dies after a few minutes. What could be the problem?
This often indicates a fuel delivery issue. The fuel lines or carburetor might be partially clogged with varnish from old fuel, allowing enough fuel to start the engine but not enough to keep it running under load. A dirty fuel filter or a partially blocked fuel tank vent can also cause this.
Is it safe to use starting fluid (ether) to get my snowblower running?
Starting fluid can be used sparingly as a last resort to help diagnose a starting problem. However, it should not be used regularly as it can be harsh on engine components and doesn't address the underlying issue. If the engine starts with starting fluid but not with regular fuel, it strongly suggests a fuel delivery problem.
How often should I perform maintenance on my snowblower?
For optimal performance and longevity, it's recommended to perform basic maintenance annually. This includes changing the oil, replacing the spark plug and air filter, and inspecting the shear pins and belts. A more thorough check of the fuel system and carburetor should be done before each winter season.
Conclusion
Reviving a snowblower that has been dormant for years is a manageable process when approached systematically. By diligently following the steps outlined in this guide, from ensuring your safety to meticulously addressing the fuel, ignition, and air systems, you significantly increase your chances of success. Remember that patience and attention to detail are your greatest allies in this endeavor.
Don't let a dormant snowblower leave you stranded in the snow. Take the time to perform these checks and maintenance tasks, and you'll be rewarded with a reliable machine ready to tackle whatever winter throws your way. If you encounter persistent issues, don't hesitate to consult your owner's manual or seek professional assistance to ensure your snowblower is in top working order for the season ahead.
