How to Tune Up Your Snow Blower


Steven E / Wednesday August 23, 2023


man blowing driveway with a snowblower after tune-up
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I How to Tune Up Your Snow Blower

Snow blowers are essential tools for keeping your driveways and walkways clear during the harsh winter months. However, like any piece of machinery, they require regular maintenance to perform at their best. A well-tuned snowblower can make a world of difference when faced with heavy snowfall, ensuring that you’re not left stranded in the cold.

In this comprehensive guide, we’ll walk you through the process of tuning up your snow blower, providing step-by-step instructions and valuable tips to keep your machine in peak condition. Whether you’re a seasoned snow blower owner or a first-time user, learning how to perform a tune-up can save you time, money, and frustration in the long run.

We’ll cover everything from safety precautions to the tools you’ll need, as well as each step of the tuning-up process. By the end of this article, you’ll have the knowledge and confidence to tackle snow blower maintenance like a pro. So, let’s get started and ensure that your snow blower is ready to take on whatever winter throws your way!

Safety Precautions

Snow blower maintenance is not just about keeping your machine in top shape; it’s also about ensuring your safety while working with potentially dangerous equipment. Before diving into the tuning-up process, take the following safety precautions seriously:

  • Prioritize personal safety by wearing appropriate gear, including safety goggles, hearing protection, and work gloves. 
  • Dress warmly and comfortably, but avoid loose clothing that could get caught in moving parts.
  • Always work in a well-ventilated area, such as a garage or outdoor space, to prevent the buildup of harmful exhaust fumes.
  • Never operate a snow blower in an enclosed space, like a closed garage, as it can lead to carbon monoxide poisoning.
  • Use caution when handling gasoline. Store it in an approved container and away from open flames or heat sources. 
  • Refuel your snow blower outdoors, and never do it while the engine is hot or running.
  • If you spill fuel, wait for it to evaporate before attempting to start the engine.

By taking these safety precautions seriously, you’ll create a secure environment for yourself while working on your snow blower, reducing the risk of accidents and ensuring a safe and productive tuning-up process.

Tools and Materials

Before you begin tuning up your snow blower, it’s essential to gather all the necessary tools and materials. Having the right equipment on hand will make the process smoother and more efficient. Here’s a list of what you’ll need:

List of Necessary Tools 

  • Socket set with various socket sizes 
  • Screwdrivers (both flathead and Phillips) 
  • Pliers (regular and needle-nose)
  • Wrenches (adjustable and open-end) 
  • Funnel for adding oil and fuel
  • Ratchet handle 
  • Spark plug socket
  • Torque wrench (for specific torque requirements) 
  • Scraper or putty knife (for cleaning) 
  • Wire brush (for cleaning) 
  • Safety goggles 
  • Work gloves 
  • Clean rags or paper towels 
  • Drain pan or container for old oil

Recommended Maintenance Materials 

  • Fresh engine oil (check your snow blower’s manual for the recommended type and amount) 
  • Fuel stabilizer (if storing the snow blower for an extended period) 
  • Replacement parts (if necessary)
  • Lubricating oil or grease 

Safety Equipment Checklist 

  • Safety goggles – Hearing protection (earplugs or earmuffs) 
  • Sturdy work gloves – Warm and weather-appropriate clothing

By ensuring you have all the required tools and materials at your disposal, you’ll be well-prepared to perform a thorough snow blower tune-up without interruptions. This proactive approach sets the stage for a successful maintenance session, ultimately extending the life of your snow blower.

Pre-Tune-Up Inspection

Before diving into the actual maintenance tasks, it’s crucial to conduct a thorough pre-tune-up inspection of your snow blower. This step helps identify any existing issues and ensures that your machine is ready for the tune-up process. Here’s how to go about it:

Checking for Visible Damage 

  • Examine the snow blower’s body for cracks, dents, or any structural damage. 
  • Inspect the chute and auger for signs of wear, rust, or damage. 
  • Look for loose or missing bolts, nuts, or fasteners and tighten or replace them as needed.

Inspecting Belts and Cables 

  • Check the drive belts for cracks, fraying, or excessive wear. Replace any damaged belts. 
  • Examine the auger and impeller cables for signs of wear, kinks, or damage. Replace if necessary. 
  • Ensure that all belts and cables are properly tensioned according to your snow blower’s manual.

Examining Fuel System 

  • Inspect the fuel tank for leaks or damage.
  • Check fuel lines and connections for signs of wear, cracks, or loose fittings. 
  • Make sure the fuel cap is in good condition and seals properly to prevent leaks.

By conducting a pre-tune-up inspection, you can identify and address any issues that may affect your snow blower’s performance. This proactive approach helps prevent further damage during the maintenance process and ensures that your machine is in the best possible condition for the upcoming winter season.

Changing the Oil

Regularly changing the oil in your snow blower is essential for maintaining its engine’s performance and longevity. Here’s how to change the oil:

Drain Old Oil 

  • Position the snow blower on a level surface and ensure it is turned off. 
  • Locate the oil drain plug on the engine (consult your manual if unsure of its location). 
  • Place an oil drain pan or container underneath the drain plug to catch the old oil. 
  • Loosen the drain plug using the appropriate wrench or socket. 
  • Carefully remove the drain plug and allow the old oil to drain completely into the container. 
  • Once the oil has drained, replace the drain plug and tighten it securely.

Choosing the Right Oil 

  • Refer to your snow blower’s manual to determine the recommended type and amount of oil. 
  • Use a funnel to pour the correct amount of fresh oil into the oil fill tube. 
  • Be cautious not to overfill, as this can lead to engine damage.

Refilling with Fresh Oil 

  • Slowly add the fresh oil to the engine.
  • Check the oil level using the dipstick, ensuring it falls within the recommended range. 
  • If necessary, add more oil or remove excess oil to achieve the correct level. 
  • Securely close the oil fill tube when finished.

Changing the oil is a fundamental step in maintaining your snow blower’s engine. It helps remove contaminants and ensures proper lubrication, keeping the engine running smoothly throughout the winter season.

Replacing Spark Plug

The spark plug is a critical component of your snow blower’s engine ignition system. Replacing it regularly ensures efficient combustion and reliable starting. Here’s how to replace the spark plug:

Removing the Old Spark Plug 

  • Locate the spark plug, typically on the side or top of the engine.
  • Carefully remove the spark plug wire from the old spark plug by gently pulling it straight off. 
  • Use a spark plug socket and a ratchet handle to loosen and remove the old spark plug by turning it counterclockwise. 
  • Inspect the old spark plug for signs of fouling, wear, or damage. It should have a consistent, tan-colored electrode. If it’s worn or fouled, it’s time for replacement.

Installing the New Spark Plug 

  • Check the gap on the new spark plug using a spark plug gap tool. Refer to your snow blower’s manual for the recommended gap size. 
  • Adjust the gap if necessary by carefully bending the ground electrode. 
  • Carefully thread the new spark plug into the spark plug hole by hand, ensuring it’s snug. 
  • Use the spark plug socket and ratchet handle to tighten the spark plug until it’s firmly seated, but avoid over-tightening. 
  • Reattach the spark plug wire onto the new spark plug, ensuring it clicks into place.

Replacing the spark plug is a relatively simple yet crucial task to keep your snow blower’s engine running smoothly. A fresh spark plug ensures reliable ignition, making starting your snow blower easier and more efficient, especially during the cold winter months.

Cleaning or Replacing Air Filter

The air filter in your snow blower prevents dirt and debris from entering the engine, ensuring clean air intake for proper combustion. Cleaning or replacing the air filter is essential for maintaining engine performance. Here’s how to do it:

Accessing and Removing the Air Filter 

  • Locate the air filter housing, usually near the engine’s carburetor. 
  • Carefully remove the cover or housing using the appropriate screwdrivers or tools. 
  • Take note of how the air filter is positioned before removing it, so you can reinstall it correctly.

Cleaning or Replacing the Air Filter 

  • If the air filter is made of foam: Gently tap the filter on a clean surface to remove loose dirt and debris. Wash the filter in warm, soapy water and rinse thoroughly. Allow it to air dry completely. Once dry, apply a small amount of air filter oil or engine oil to the filter, then squeeze it to evenly distribute the oil and remove excess. 
  • If the air filter is a paper or fabric element: Inspect it for tears, holes, or heavy contamination. If it’s damaged, replace it with a new one. If it’s only lightly dirty, you can gently tap it to dislodge loose dirt. However, paper filters are not typically designed for cleaning and should be replaced if significantly dirty.

Reinstalling the Air Filter 

  • Place the cleaned or new air filter back into the housing, ensuring it’s properly positioned. 
  • Reattach the air filter cover or housing securely. 
  • Double-check that all components are properly aligned and fastened.

Cleaning or replacing the air filter is a simple yet crucial maintenance task. It helps ensure proper air intake, combustion, and engine performance, allowing your snow blower to operate efficiently even in challenging winter conditions.Fuel System Maintenance

The fuel system of your snow blower requires attention to maintain optimal performance and prevent fuel-related issues. Here’s how to perform fuel system maintenance:

Draining and Replacing Old Fuel 

  • Locate the fuel tank on your snow blower.
  • If your snow blower has been in storage or hasn’t been used for an extended period, consider draining the old fuel to prevent clogs or engine problems.
  • Place a container under the fuel tank’s outlet.
  • Remove the fuel tank’s cap and carefully tilt the snow blower to drain the old fuel into the container.
  • Dispose of the old fuel properly and in accordance with local regulations.
  • Refill the tank with fresh, high-quality gasoline. If available, use gasoline with a fuel stabilizer to prevent fuel deterioration during storage.

Cleaning or Replacing Fuel Filter 

  • Locate the fuel filter in the fuel line, typically between the tank and the carburetor. 
  • If your snow blower has a replaceable filter, remove it and replace the fuel filter with a new one according to the manufacturer’s recommendations. 
  • If your snow blower has a cleanable fuel filter, remove it and clean it by rinsing it with clean gasoline. Allow it to air dry completely before reinstallation.

Checking Fuel Lines 

  • Inspect the fuel lines for cracks, leaks, or signs of deterioration. 
  • Replace any damaged or worn fuel lines to prevent fuel leaks and ensure proper fuel flow to the engine. 
  • Ensure all fuel line connections are secure.

Maintaining the fuel system of your snow blower is crucial for reliable starting and efficient operation. Fresh fuel and a clean or properly functioning fuel filter and lines are essential to keep your machine running smoothly, especially in cold weather conditions.

Inspection and Adjustment of Belts and Cables

Properly functioning belts and cables are essential for the efficient operation of your snow blower. Here’s how to inspect and adjust them:

Inspecting Drive Belts 

  • Locate the drive belts, which are responsible for transferring power from the engine to the wheels or auger. 
  • Check the belts for signs of wear, cracks, fraying, or any damage. 
  • Ensure the belts are properly tensioned – they should not be too loose or too tight. 
  • Refer to your snow blower’s manual for specific tensioning instructions. 
  • If a drive belt shows signs of excessive wear or damage, replace it with a new one following the manufacturer’s recommendations.

Checking Auger and Impeller Cables 

  • Inspect the cables that control the auger and impeller functions.
  • Look for signs of wear, kinks, or damage to the cables. 
  • Ensure that the cables are properly adjusted to engage and disengage the auger and impeller as intended. 
  • If there are issues with cable tension or signs of cable damage, adjust or replace the cables as needed. 
  • Consult your snow blower’s manual for cable adjustment instructions.

Adjusting Tension as Needed 

  • Use the appropriate tools, such as a wrench or tension adjustment mechanism, to adjust the tension of the belts and cables. 
  • Follow the manufacturer’s guidelines for proper tension levels, as overly tight or loose belts and cables can affect performance and safety.
  • Test the snow blower’s operation to ensure that the belts and cables engage and disengage smoothly and effectively.

Regularly inspecting and adjusting the belts and cables of your snow blower is vital for ensuring that it operates efficiently and safely. Proper tension and well-maintained components contribute to reliable performance during the winter season.

Lubrication of Moving Parts

Proper lubrication is essential for reducing friction, preventing wear and tear, and ensuring the smooth operation of your snow blower’s moving parts. Here’s how to lubricate these components:

Identifying Key Lubrication Points 

  • Consult your snow blower’s manual to identify the specific lubrication points.
  • Common lubrication points include auger shafts, impeller bearings, and various pivot points.

Proper Lubrication Techniques 

  • Use a high-quality, all-purpose grease or snow blower-specific lubricant recommended by the manufacturer. 
  • Apply a small amount of lubricant to each identified lubrication point. 
  • Rotate or move the parts to ensure that the lubricant is evenly distributed.
  • Pay particular attention to areas where metal parts come into contact, such as the auger blades and the auger shaft.
  • Avoid over-lubricating, as excess grease can attract debris and lead to clogs.

Preventing Corrosion 

  • In addition to lubrication, use a rust inhibitor or corrosion-resistant spray on exposed metal components to protect them from rust and corrosion. 
  • Pay attention to areas that are prone to moisture exposure, such as bolts, nuts, and any unpainted surfaces.

Proper lubrication not only extends the lifespan of your snow blower but also ensures that moving parts operate smoothly, reducing wear and tear on the machine and making it more effective in clearing snow during winter storms.

Checking Skid Shoes and Scraper Blade

Skid shoes and the scraper blade play a crucial role in how your snow blower interacts with the ground and removes snow effectively. Here’s how to inspect and maintain them:

Inspecting Skid Shoes 

  • Locate the skid shoes on the underside of your snow blower, typically near the auger housing. 
  • Check the condition of the skid shoes. They should be relatively flat and free from significant wear. 
  • Look for signs of excessive wear or damage, such as bent edges or uneven surfaces. 
  • Adjust skid shoes to the same height to maintain even snow clearance.

Examining Scraper Blade 

  • Locate the scraper blade, which is the flat metal or rubber strip that contacts the ground. 
  • Inspect the scraper blade for wear and tear, such as nicks, gouges, or signs of bending. 
  • Ensure that the scraper blade is parallel to the ground. If it’s bent, it can hinder the snow blower’s performance.

Adjusting Height and Replacing if Necessary 

  • To adjust the skid shoes, use a wrench or socket set to loosen and raise or lower them to the desired height. Consult your snow blower’s manual for the correct height settings. 
  • If the skid shoes or scraper blade are significantly worn or damaged, replace them with new, compatible parts following the manufacturer’s recommendations.

Properly maintained skid shoes and scraper blades are essential for ensuring that your snow blower clears snow effectively while minimizing the risk of damage to the machine or the surface you’re clearing. Regular inspection and adjustment help maintain optimal performance.

Testing and Starting the Snow blower

After completing the maintenance tasks, it’s time to ensure that your snow blower starts and operates smoothly. Here’s how to test and start your snow blower:

Safety Precautions Before Starting 

  • Ensure that the snow blower is on a level surface and that the area is clear of obstacles and debris.
  • Double-check that all safety features, such as the safety key and kill switch, are functioning correctly.
  • Put on safety goggles and hearing protection before starting the engine.

Starting the Engine 

  • If your snow blower has an electric start, connect it to a power source or ensure the battery is charged. Follow the manufacturer’s instructions for using the electric start feature. 
  • If your snow blower has a recoil (pull) start: – Move the choke to the “choke” or “cold start” position. – Depress the primer bulb a few times to send fuel to the engine. – Firmly grasp the starter cord handle and pull it briskly until you feel resistance. Then, give it a strong, smooth pull. 
  • Once the engine starts, allow it to warm up for a few minutes. Gradually move the choke to the “run” position as the engine warms up.

Testing Operation and Adjusting as Needed 

  • Engage the auger and impeller to test their operation. Ensure they rotate smoothly and without unusual noises. 
  • Check the forward and reverse drive mechanisms (if applicable) to make sure they work properly. 
  • Verify that the snow blower moves forward and backward smoothly and that you have full control over its movements. 
  • Listen for any abnormal sounds or vibrations, which may indicate issues that require further attention.

Testing and starting your snow blower after maintenance is crucial to confirm that all components are in good working order. This step ensures that your snow blower is ready to tackle the winter weather effectively and efficiently.

Cleanup and Storage

Properly cleaning and storing your snow blower after use and maintenance is essential for its long-term durability and readiness for the next winter season. Here’s how to clean and store your snow blower:

Cleaning the Snow blower 

  • Turn off the engine and allow it to cool down if it was running during the testing phase. 
  • Use a scraper or putty knife to remove any compacted snow and ice from the auger and chute. 
  • Brush or wipe away any remaining snow or debris from the machine, including the engine, handles, and controls. 
  • Use a wire brush to clean rust or residue from metal parts if needed. 
  • Check and clean the discharge chute and impeller, ensuring they are clear of obstructions. 
  • Wipe down the exterior of the snow blower with a clean, dry cloth to remove any moisture.

Proper Storage Techniques 

  • Store the snow blower in a dry, cool, and well-ventilated area to prevent rust and moisture buildup. 
  • If your snow blower has a fuel shut-off valve, turn it to the “off” position to prevent fuel leaks. 
  • If you plan to store the snow blower for an extended period, consider adding a fuel stabilizer to the gas tank and running the engine for a few minutes to circulate the treated fuel through the system. 
  • Disconnect the spark plug wire to prevent accidental starts while in storage. 
  • Cover the snow blower with a durable, weather-resistant cover to protect it from dust, debris, and moisture.

Preparing for Next Winter 

  • Before the next winter season, review your snow blower’s maintenance schedule and plan for any additional servicing or parts replacement. 
  • Reconnect the spark plug wire and ensure all safety features are in working order before using the snow blower.

Proper cleanup and storage practices will help prolong the life of your snow blower and ensure that it’s ready to perform reliably when the next snowstorm hits. Taking care of your equipment during the off-season is just as crucial as maintaining it during winter.

Conclusion

Mastering snow blower maintenance saves time and money. Regular care extends lifespan and ensures reliability in harsh winters. Embrace the season confidently! For questions or more appliance or outdoor power equipment advice, connect with us on our website, YouTube, Facebook, and Instagram pages.