Revolutionize Your Winter: How to Change Spark Plug on Ariens Snowblower

The first snowfall of the season can be exciting, but it can also be a harbinger of potential problems with your snowblower. One common issue that can arise is a faulty spark plug. If your Ariens snowblower is struggling to start, sputtering, or simply not running as smoothly as it used to, a worn-out spark plug could be the culprit. Knowing how to change spark plug Ariens snowblower is a valuable skill that can save you time, money, and frustration during the winter months.

This comprehensive guide will walk you through the process of replacing your snowblower’s spark plug, step by step. We’ll cover everything from identifying the right spark plug to safely disconnecting the ignition system and properly installing the new part. By the end of this guide, you’ll be equipped to handle this essential maintenance task with confidence.

Gather Your Supplies

Before you dive into the task, make sure you have the necessary tools and materials:

• A new spark plug: Always consult your Ariens snowblower’s owner’s manual for the correct spark plug type and gap setting. You can purchase a new spark plug at most hardware stores, auto parts stores, or online retailers.
• Spark plug socket: This specialized socket is designed to fit the spark plug and prevent damage to the plug’s hex head. You can find spark plug sockets at most auto parts stores.
• Wrench: A wrench is needed to loosen and tighten the spark plug socket.
• Gloves: Wearing gloves will protect your hands from dirt and potential engine heat.
• Safety glasses: Protect your eyes from flying debris.
• Clean rag: This will help you clean off any dirt or debris from the spark plug area.

Locating the Spark Plug

The first step is to locate the spark plug on your Ariens snowblower. It’s usually found on the top of the engine, near the cylinder head. It will be a small, cylindrical part with a wire attached to it. Refer to your owner’s manual for the exact location on your specific snowblower model.

Disconnecting the Ignition System

Before you attempt to remove the spark plug, it’s crucial to disconnect the ignition system to prevent accidental sparks. This is an important safety precaution:

• Locate the spark plug wire: The wire is attached to the top of the spark plug.
• Pull the wire off the spark plug: Gently pull the wire off the spark plug.
• Disconnect the spark plug wire from the ignition coil: The other end of the spark plug wire is connected to the ignition coil. Locate the ignition coil, which is usually near the spark plug, and disconnect the wire.

Removing the Old Spark Plug

Now that the ignition system is disconnected, you can safely remove the old spark plug:

• Use the spark plug socket: Place the spark plug socket over the spark plug and tighten it securely.
• Loosen the spark plug: Using the wrench, turn the spark plug socket counterclockwise to loosen the spark plug. Be careful not to strip the threads.
• Remove the spark plug: Once the spark plug is loose, you can remove it by hand.

Inspecting the Old Spark Plug

Before installing the new spark plug, take a moment to inspect the old one. This will help you understand the condition of your engine and identify any potential issues:

• Check the electrodes: The electrodes should be clean and free of carbon buildup. If the electrodes are heavily worn or corroded, it’s a sign that the spark plug needs to be replaced.
• Check the insulator: The insulator, which surrounds the center electrode, should be intact and free of cracks. A cracked insulator can cause misfires.
• Check the gap: The gap between the electrodes is crucial for proper ignition. Use a spark plug gap tool to measure the gap on the old spark plug. This will help you determine if the gap needs to be adjusted on the new spark plug.

Installing the New Spark Plug

Once you’ve inspected the old spark plug and are ready to install the new one, follow these steps:

• Check the gap: If necessary, use a spark plug gap tool to adjust the gap on the new spark plug to the specified setting in your owner’s manual.
• Install the new spark plug: Hand-thread the new spark plug into the cylinder head until it’s snug.
• Tighten the spark plug: Use the spark plug socket and wrench to tighten the spark plug to the specified torque in your owner’s manual. Be careful not to overtighten the spark plug, as this can damage the threads.

Reconnecting the Ignition System

With the new spark plug installed, you can reconnect the ignition system:

• Reconnect the spark plug wire to the ignition coil: Connect the spark plug wire to the ignition coil.
• Reconnect the spark plug wire to the spark plug: Connect the spark plug wire to the top of the spark plug.

Starting Your Ariens Snowblower

Now that the new spark plug is installed and the ignition system is reconnected, you can start your Ariens snowblower.

• Turn the key: Turn the key to the “on” position.
• Pull the starter cord: Pull the starter cord to start the engine. If the engine starts and runs smoothly, you’ve successfully changed the spark plug.

Beyond the Spark Plug: Maintenance Tips for a Reliable Snowblower

While changing the spark plug is a crucial maintenance task, there are other important steps you can take to ensure your Ariens snowblower runs reliably throughout the winter:

• Fuel Stabilizer: Add fuel stabilizer to your snowblower’s gas tank to prevent fuel from degrading and causing engine problems during storage.
• Air Filter: Clean or replace the air filter regularly to ensure proper airflow to the engine.
• Oil Change: Change the engine oil according to the schedule outlined in your owner’s manual.
• Check the Drive Belt: Inspect the drive belt for wear and tear and replace it if necessary.
• Lubrication: Lubricate moving parts, such as the auger and chute, to prevent rust and wear.

A Snowblower’s Best Friend: A Well-Maintained Engine

Changing a spark plug is a relatively simple task that can make a big difference in the performance and reliability of your Ariens snowblower. By performing regular maintenance, you can ensure that your snowblower is ready to tackle any winter storm that comes your way.

Questions We Hear a Lot

Q: How often should I change the spark plug in my Ariens snowblower?

A: It’s generally recommended to change the spark plug every 100 hours of use or annually, whichever comes first. However, check your owner’s manual for the specific recommendations for your snowblower model.

Q: What are the signs of a bad spark plug?

A: Common signs of a bad spark plug include difficulty starting, sputtering, misfires, decreased power, and black smoke from the exhaust.

Q: Can I adjust the spark plug gap myself?

A: Yes, you can adjust the spark plug gap yourself using a spark plug gap tool. However, make sure you know the correct gap setting for your specific spark plug. Refer to your owner’s manual or the spark plug packaging for the recommended gap.

Q: What happens if I don’t change the spark plug?

A: If you don’t change the spark plug, it can eventually wear out and cause engine problems, such as misfires, reduced power, and difficulty starting. In extreme cases, a worn-out spark plug can even lead to engine damage.