leaf blower maintenance tips

Fall is the perfect time to check your leaf blower, but maintenance shouldn't be limited to one season.

Regular maintenance keeps your blower running efficiently, prevents dirt and fuel buildup, extends machine life, and ensures it's ready when you need it.

All types of leaf blowers require regular inspection and tuning.

General maintenance tips for all leaf blowers

Before any maintenance, power off and unplug electric models or perform spark plug disconnection on gas models, then allow the engine to cool completely. Wear safety glasses and work gloves to protect against debris, sharp edges, and fuel residue.

Keep it clean

Dirt, dust, and debris can quickly build up inside a leaf blower, reducing its performance and causing overheating. After each use, check and clean the following areas:

• Vents

• Fan

• Air filter

Use a soft brush or compressed air to remove buildup. Wipe the exterior with a damp cloth and mild soap if needed. Avoid using harsh chemicals like ammonia or turpentine, as they can damage the exterior. If you use your leaf blower frequently, clean it at least once a week.

Also, check that the throttle or trigger is still sensitive—especially if it hasn’t been used recently.

Check for loose or worn parts

Give your leaf blower a quick check before and after each use. Check for:

• Loose screws

• Cracks in the housing

• Worn or damaged parts, especially the blower tube, fan, and power switch

Tighten or replace any damaged parts immediately. Catching small problems early can help prevent larger mechanical problems later.

Proper storage

Proper storage is key to keeping your blower in good condition, especially during the off-season. Follow these tips:

• Allow your blower to cool before storing it.

• Store in a clean, dry, well-ventilated area away from children, moisture, and direct sunlight.

• Keep away from sparks or open flames, especially on gas blowers.

• For gas blowers, drain the tank or add stabilizer to prevent the fuel from decomposing. Follow the manufacturer's storage recommendations—some manufacturers recommend completely draining the system of fuel and then running the engine until it stalls to clear any remaining fuel from the carburetor, while others recommend adding stabilized fuel.

• Before storing for the off-season, lubricate all moving parts according to the manufacturer's guidance to prevent corrosion and ensure smooth operation when you start up again.

• For electric blowers, make sure the power cord is loosely coiled and not pinched or bent.

Handheld gasoline leaf blower maintenance

Gasoline-powered leaf blowers require more frequent leaf blower maintenance to keep the engine running smoothly. Regular maintenance can help prevent problems such as difficult starting, reduced performance, and costly repairs. Here's what you need to know to effectively maintain your gasoline leaf blower.

Air filter maintenance

The air filter plays a vital role in keeping your engine running efficiently by providing proper airflow. A clogged air filter can reduce engine performance and make it work harder.

Cleaning a washable air filter

• Remove sponge or felt pieces from the filter.

• Soak them briefly in warm, soapy

  
  

• water with a mild detergent.

• Rinse thoroughly and allow the filter to dry completely before reinstalling it. Reinstalling a damp filter can allow moisture to enter the engine, leading to performance issues.

• For better performance, apply a few drops of motor oil to the filter or sponge once it is fully dry.

Paper air filter

• Tap the filter on a hard surface to remove dirt. Replace it once a year, or sooner if it's too dirty to clean.

• If you use your leaf blower regularly, consider changing the filter monthly. Otherwise, it is recommended to clean it every 10 hours of operation.

Fuel maintenance

Proper fuel maintenance is essential to keep the engine running smoothly.

Fuel freshness

Always use fresh fuel, and if you store the leaf blower for a long time, drain the tank and let the engine idle.

Fuel change

Use fresh fuel; do not let fuel sit in the tank for more than 30 days. This avoid aging and clogging of the fuel lines. When storing for a long time, consider adding a fuel stabilizer to prevent fuel decomposition.

Engine oil

Four-stroke engines have separate oil and fuel tanks. Check oil level regularly and change at recommended intervals. Two-stroke engines require oil pre-mixed into fuel at the ratio specified in your manual (typically 50:1 or 40:1)—do not use a separate oil tank. Confusing these approaches risks serious engine damage. Never use automotive oil; it will damage the engine. Change oil after the first 10 hours of use and every 50 hours thereafter on four-stroke models.

Spark plug maintenance

• Worn spark plugs can cause difficult starting and reduced engine performance. Regular inspection and maintenance of spark plugs ensures smooth operation of your leaf blower.

• Inspect spark plugs: Remove them using a spark plug wrench and inspect for dirt, carbon deposits, or corrosion.

• Replace if necessary: Replace spark plugs if damaged or corroded. It is recommended to replace spark plugs once a year to maintain optimal engine performance.

• Inspection frequency: Check spark plugs every few months, especially if the engine misfires or has difficulty starting.

• Gap measurement: After replacing spark plugs, measure the gap to ensure it meets the manufacturer's specifications.

Fuel filter maintenance

Fuel filters prevent dust and debris from entering the engine, which can cause mechanical damage. Maintenance method:

• Remove and replace filters: Disconnect the spark plugs and remove the fuel filter from the fuel tank using a small hook or metal hanger.

• Inspect and replace: If the filter is clogged or damaged, replace it with a new one and reinsert the filter into the tank.

• Check the fuel line: When changing the filter, check the fuel line for cracks or damage. If the fuel line is damaged, take the blower to a service center for repair.

• Replacement frequency: It is recommended to replace the fuel filter once a year to ensure that the engine is in optimal condition.

Carburetor maintenance

A clogged or dirty carburetor can cause difficult starting and reduced performance. Regular cleaning can help prevent these problems and ensure efficient fuel-air mixture delivery.

• Easy cleaning: For some models, the cleaning process is as simple as removing the exterior panel and spraying carburetor cleaner into the choke.

• Thorough cleaning: For other models, you may need to remove the line from the tank, drain the fuel, and then spray carburetor cleaner into the carburetor line before reconnecting it.

• Adjustment: If your leaf blower is stalling, running rough, or consuming too much fuel, adjust the carburetor settings according to the manual.

• Cleaning frequency: For optimal performance, clean the carburetor once a year. If the problem persists, it is best to have it cleaned or repaired by a professional.

Vacuum bag (if applicable)

If your gas leaf blower has a vacuum function, maintaining the vacuum bag is essential for optimal efficiency. Maintenance method:

• Remove the vacuum bag: Remove the vacuum bag from the leaf blower.

• Clean the vacuum bag: Turn the vacuum bag upside down, hang it outside, and rinse it with a garden hose to remove debris.

• Dry thoroughly: Allow the vacuum bag to dry completely before reattaching it to the leaf blower.

• Clean frequency: Clean the vacuum bag at least once a year.

Backpack leaf blower maintenance tips

Backpack leaf blowers are powered by gasoline engines and require regular maintenance like handheld models. However, additional components such as straps, hoses, and cooling systems need special attention.

Shoulder straps

The shoulder straps of a backpack leaf blower are essential for comfort and proper use. If the straps are worn or damaged, the leaf blower may become uncomfortable and difficult to use.

Inspect and adjust the shoulder straps before each use to ensure they are properly positioned and comfortable to wear. If the shoulder straps are badly worn or damaged, replace them to avoid stress on your back and shoulders.

Flexible hose

The flexible hose connects the blowpipe and control handle to the motor. Because it's exposed to air pressure and movement, it's prone to cracks or wear. Inspect regularly for damage. If the hose feels stiff, replace it to maintain effective airflow.

Cooling system

The cooling system prevents engine overheating and includes cooling fins on the cylinders and an intake filter. Clean the cooling fins and intake filter at least weekly, or more often if used frequently.

Specific maintenance for electric and cordless leaf blowers

Electric and cordless leaf blowers are easier to maintain than gas-powered leaf blowers, but they still require regular maintenance. Here are key maintenance tips for both corded and cordless electric leaf blowers.

Corded leaf blowers

Corded electric blowers are generally low maintenance, but the power cord requires regular attention. Before each use, inspect the cord for cuts, exposed wires, or frayed sections, especially near the plug or where it enters the blower. When storing, do not wrap the cord too tightly; use a loose wrap method or a cord storage device.

Cordless leaf blowers

Cordless blowers require special attention to battery care. Follow manufacturer charging instructions and use only the manufacturer-recommended charger.

Most lithium-ion batteries work best when charged between 20% and 80%. Recharge when the battery has 20–30% capacity remaining rather than fully depleting it, and avoid charging to 100% repeatedly, as this degrades capacity. Store batteries in a cool, dry place away from extreme temperatures. For extended storage, keep the battery at about 50% charge and check every few months, recharging if necessary.

Clean battery contacts regularly with a soft, dry cloth. Most lithium-ion batteries last 2–3 years with normal use. If your cordless blower fails to start or loses power mid-task, check battery charge and terminals for corrosion first. Unusual vibration often signals a loose or damaged fan, while overheating typically indicates blocked air vents.

Summary

Maintaining your leaf blower properly is key to ensuring it continues to operate reliably for years to come. A little attention to detail now can give you years of trouble-free operation.

As a professional leaf blower manufacturer, our experience from producing tens of thousands of leaf blowers shows that a well-maintained unit will last 2-3 times longer than one that is neglected.

For specific guidance or additional support for your BISON leaf blower, please consult your owner's manual or contact our customer service team. We are always ready to help you get the most out of your leaf blower.

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