The Stihl leaf blower is a powerful tool that can make quick work of clearing leaves and debris from your yard. However, if you’re not familiar with how to start it, you could end up wasting time and frustration. In this article, we’ll provide you with step-by-step instructions on how to start your Stihl leaf blower, as well as some helpful tips for troubleshooting any problems you may encounter.
Before you start your Stihl leaf blower, it’s important to make sure that you have all of the necessary safety gear. This includes safety glasses, ear protection, and gloves. You should also make sure that the area you are working in is clear of any obstacles, such as children or pets.
Once you have taken the necessary safety precautions, you can begin to start your leaf blower. Start by priming the engine by pressing the primer bulb 5-6 times. Then, set the choke lever to the “on” position. Next, pull the starter cord until the engine starts. Once the engine starts, you can set the choke lever to the “off” position.
Preparing the Leaf Blower
Before you start your Stihl leaf blower, it’s crucial to prepare it properly to ensure smooth operation and extend its lifespan. Here are the key steps involved in preparing your leaf blower:
1. Fueling Your Leaf Blower
a) **Choose the correct fuel:** Stihl leaf blowers typically require a mixture of unleaded gasoline and Stihl 2-cycle engine oil. Always follow the manufacturer’s recommended fuel ratio.
b) **Check the fuel level:** Before starting, inspect the fuel tank and ensure it’s filled with the correct fuel mixture. Avoid overfilling the tank as it may cause flooding or fuel spillage.
c) **Prime the fuel system:** For easy starting, prime the fuel system by pressing the primer bulb several times until you feel resistance. This will pump fuel into the carburetor, making it easier for the engine to start.
d) **Open the fuel valve:** Once the fuel system is primed, open the fuel valve to allow fuel to flow into the carburetor.
2. Safety Precautions
a) **Wear proper safety gear:** Always wear protective gear such as safety glasses, earplugs, and gloves when operating your leaf blower to minimize potential injuries.
b) **Clear the work area:** Remove any obstacles or debris from the area where you’ll be operating the leaf blower to prevent accidents or damage to the machine.
c) **Start in a well-ventilated area:** Avoid starting the leaf blower in enclosed spaces as the exhaust fumes can be harmful to your health.
3. Checking Oil and Air Filter
a) **Check the oil level:** Locate the oil dipstick, remove it, wipe it clean, and reinsert it. Remove it again and check the oil level. If the oil is below the “full” mark, add more Stihl 2-cycle engine oil until it reaches the correct level.
b) **Inspect the air filter:** A clean air filter ensures proper engine performance and reduces fuel consumption. Remove the air filter cover and check the filter. If it’s dirty or clogged, replace it with a new one.
Ensuring Fuel Availability
To ensure your Stihl leaf blower starts smoothly, it’s crucial to verify the availability of fuel. Here are some key steps to follow:
1. Check Fuel Level
Inspect the fuel tank visually to determine the fuel level. If it’s low, it’s time to refuel.
2. Use Fresh Fuel
Always use fresh fuel in your Stihl leaf blower. Old or stale fuel can clog the carburetor and cause starting difficulties. It’s recommended to use a fuel that meets the manufacturer’s specifications, typically a 50:1 gasoline-to-oil mixture.
| Fuel Type | Ratio |
|---|---|
| Gasoline | 50:1 |
3. Add Fuel Stabilizer
If you don’t plan on using your leaf blower for an extended period, add a fuel stabilizer to the tank. This will prevent the fuel from oxidizing and forming deposits that can hinder starting.
4. Verify Air Filter
A dirty or clogged air filter can restrict airflow and make it difficult for the engine to start. Clean or replace the air filter regularly according to the manufacturer’s instructions.
Understanding the Air Filter’s Role
The air filter is a crucial component of your Stihl leaf blower, responsible for filtering out dust, dirt, and other particles from the air before it enters the engine. A clean air filter ensures optimal performance, prevents damage to the engine, and prolongs its lifespan.
To access the air filter, locate the air filter cover on the side of the blower. Remove the cover and carefully lift out the filter. Inspect it for any visible dirt or debris. If it appears dirty, it’s time to clean or replace it.
Cleaning the Air Filter
Cleaning the air filter is a relatively simple task. Here’s how to do it:
- Use a soft brush or compressed air to remove loose dirt from the filter.
- Soak the filter in a mild detergent solution for 10-15 minutes.
- Rinse the filter thoroughly with clean water and let it air dry completely before reinstalling it.
| Frequency of Cleaning | Estimated Time |
|---|---|
| Every 25-50 hours of use | 15-20 minutes |
Understanding Spark Plug Maintenance
Spark plugs play a crucial role in the ignition system of your Stihl leaf blower. Proper maintenance is essential to ensure efficient starting and optimal engine performance. Here are the key steps involved in maintaining your spark plug:
1. Remove the spark plug: Locate the spark plug on the cylinder head and use a spark plug socket or wrench to carefully remove it.
2. Inspect the spark plug: Examine the spark plug for signs of wear, damage, or deposits. Check the electrode gap and ensure it meets the manufacturer’s specifications.
3. Clean the spark plug: Use a wire brush to remove any dirt, debris, or deposits from the spark plug. Clean the electrode gap with a spark plug gap gauge.
4. Replace the spark plug: Check the spark plug’s gap and adjust it using a spark plug gap gauge if necessary. Apply a small amount of anti-seize compound to the spark plug threads and carefully screw it back into the cylinder head. Ensure it is fully tightened but avoid overtightening.
Here is a table summarizing the key steps in spark plug maintenance:
| Step | Action |
|---|---|
| 1 | Remove the spark plug |
| 2 | Inspect the spark plug |
| 3 | Clean the spark plug |
| 4 | Replace the spark plug |
Regularly maintaining your spark plug will help improve your leaf blower’s starting reliability, fuel efficiency, and overall performance. If you encounter any difficulties or have any questions, please consult your Stihl dealer or refer to the manufacturer’s instructions.
Inserting a New Spark Plug
Replacing a spark plug is a relatively simple task that can be completed in a few minutes. Here are the steps on how to insert a new spark plug in a Stihl leaf blower:
- Disconnect the spark plug wire. Using a pair of pliers, carefully pull the spark plug wire off of the spark plug. Do not twist the wire, as this can damage it.
- Remove the old spark plug. Use a spark plug wrench to loosen the spark plug. Once the spark plug is loose, you can remove it by hand.
- Inspect the old spark plug. The old spark plug can provide you with valuable information about the condition of your engine. Look for any signs of wear, damage, or fouling.
- Install the new spark plug. Screw the new spark plug into the engine by hand. Once the spark plug is finger-tight, use a spark plug wrench to tighten it further. Do not overtighten the spark plug, as this can damage the engine.
- Reconnect the spark plug wire. Push the spark plug wire back onto the spark plug until it clicks into place.
| Spark Plug Type | Gap |
|---|---|
| Stihl 1138 141 0402 | 0.020″ |
| Stihl 1138 141 0406 | 0.024″ |
After replacing the spark plug, start your leaf blower and let it run for a few minutes. This will help the new spark plug to seat properly.
Understanding the Importance of Spark Gap Adjustment
The spark gap is a critical component in the ignition system of a Stihl leaf blower. It is the distance between the spark plug’s electrodes where an electrical arc is created to ignite the fuel-air mixture. A properly adjusted spark gap ensures optimal engine performance, reduces the risk of ignition problems, and extends the life of the spark plug.
When the spark gap is too wide, the electrical arc may not be strong enough to ignite the fuel-air mixture. This can lead to difficulty starting the leaf blower, misfiring, and reduced power.
Conversely, if the spark gap is too narrow, the electrical arc may become too strong and cause the spark plug to overheat or even damage the ignition coil.
Measuring the Spark Gap
To ensure a properly adjusted spark gap, it is essential to measure it accurately. This can be done using a spark plug gap tool or a feeler gauge.
Insert the tool between the spark plug electrodes and gently pull it out. The gap should be within the manufacturer’s specifications, typically between 0.020 and 0.025 inches (0.5 to 0.6 mm).
Adjusting the Spark Gap
If the spark gap is not within the specified range, it must be adjusted. Use a spark plug wrench to loosen the spark plug and carefully bend the side electrode to increase or decrease the gap.
Once the spark gap is correctly adjusted, reinsert the spark plug and tighten it securely. Restart the leaf blower and ensure that it runs smoothly without any ignition issues.
| Symptom | Possible Cause | Solution |
|---|---|---|
| Difficulty starting | Wide spark gap | Adjust spark gap to specifications |
| Misfiring or sputtering | Too wide or narrow spark gap | Adjust spark gap to specifications |
| Overheating or damaged spark plug | Narrow spark gap | Adjust spark gap to specifications |
Troubleshooting Ignition Issues
1. Check Spark Plug and Wire
Inspect the spark plug for damage or debris. Clean or replace the spark plug if necessary. Ensure the spark plug wire is properly connected and not damaged.
2. Check Fuel Filter and Lines
A clogged fuel filter or obstructed fuel lines can prevent fuel from reaching the combustion chamber. Remove the fuel filter and inspect it for debris. Clean or replace the filter as needed. Inspect the fuel lines for leaks or kinks.
3. Clean Carburetor
Over time, dirt and debris can accumulate in the carburetor, causing ignition issues. Remove the carburetor and clean it thoroughly using a carburetor cleaner.
4. Inspect Air Filter
A dirty air filter can restrict airflow, affecting combustion. Remove the air filter and inspect it for debris. Clean or replace the filter if necessary.
5. Check Compression
Insufficient compression in the engine can lead to ignition problems. Use a compression tester to measure the engine compression. If the compression is low, it may indicate worn piston rings or valves.
6. Inspect Ignition Module
The ignition module provides the electrical spark to ignite the fuel. Disconnect the ignition module and check for continuity using a multimeter. If there is no continuity, the ignition module may be faulty and need to be replaced.
7. Advanced Troubleshooting
- Test Ignition Coil: Use a spark tester to check the spark from the ignition coil. A weak or no spark indicates a problem with the ignition coil.
- Check Flywheel Key: The flywheel key ensures proper timing between the flywheel and crankshaft. Inspect the flywheel key for damage or wear and replace it if necessary.
- Replace Crankshaft Bearings: Worn or damaged crankshaft bearings can affect timing and spark. Replacing the crankshaft bearings requires specialized tools and expertise.
Preventing Clogged Fuel Lines
Maintaining clear fuel lines is essential for proper leaf blower performance. Here are some steps to prevent clogs:
Use Fresh Fuel
Old, stale gasoline can cause clogs. Use fresh, high-quality fuel and discard any leftover fuel after each use.
Clean Fuel Filter
Regularly clean the fuel filter to remove impurities and prevent clogging. Consult your leaf blower’s manual for specific cleaning instructions.
Avoid Water Contamination
Water in the fuel can freeze and cause clogs in cold weather. Always keep fuel containers tightly sealed and avoid filling them on rainy days.
Use Fuel Stabilizer
If storing your leaf blower for an extended period, add a fuel stabilizer to prevent stale fuel from clogging fuel lines.
Check Fuel Line Connections
Loose or damaged fuel line connections can allow air or contaminants to enter the system. Ensure connections are tight and securely fastened.
Inspect Fuel Cap
A malfunctioning fuel cap can allow dirt and moisture to enter the fuel tank. Check the cap for any cracks or damage and replace if necessary.
Use Clean Gasoline Containers
Contaminated gasoline containers can introduce impurities into the fuel. Store fuel in clean, approved containers and discard any fuel that shows signs of contamination.
Avoiding Common Starting Mistakes
Starting a Stihl leaf blower can be a quick and easy process, but there are a few common mistakes that users make that can cause difficulty. By avoiding these mistakes, users can ensure that their leaf blower starts up quickly and smoothly.
1. Not Reading the Instructions
Before starting the leaf blower, it is important to read the instructions carefully. This will help users familiarize themselves with the different parts of the leaf blower and how to operate it properly.
2. Not Using Fresh Fuel
Using old or stale fuel can cause difficulty starting the leaf blower. It is important to use fresh fuel that is no more than 30 days old.
3. Not Priming the Engine
Priming the engine is a necessary step that helps to get fuel into the carburetor. This makes it easier for the engine to start.
4. Not Choking the Engine
The choke is a lever that helps to restrict the flow of air into the engine. This creates a richer fuel mixture, which makes it easier for the engine to start.
5. Not Pulling the Starter Cord Properly
The starter cord must be pulled quickly and smoothly. Jerking or pulling the cord too slowly can damage the engine.
6. Not Holding the Leaf Blower Steady
It is important to hold the leaf blower steady while starting it. This prevents the leaf blower from moving around and causing injury.
7. Not Cleaning the Air Filter
A dirty air filter can restrict the flow of air into the engine, making it difficult to start. It is important to clean the air filter regularly.
8. Not Checking the Spark Plug
A worn or fouled spark plug can prevent the engine from starting. It is important to check the spark plug regularly and replace it if necessary.
9. Not Following the Troubleshooting Guide
If the leaf blower is not starting, it is important to follow the troubleshooting guide in the owner’s manual.
| Problem | Solution |
|---|---|
| The engine is not getting fuel | Inspect the fuel line for cracks or leaks. |
| The engine is not getting air | Clean the air filter. |
| The spark plug is fouled | Replace the spark plug. |
By following these tips, users can avoid the common mistakes that can make it difficult to start a Stihl leaf blower. By following the instructions, using fresh fuel, priming the engine, and choking the engine, users can ensure that their leaf blower starts up quickly and smoothly.
Preparing Your Stihl Leaf Blower
1. Safety First! Wear appropriate safety gear, including eye protection, earplugs, and gloves.
2. Fuel the Blower: Use a fresh mix of clean fuel and STIHL 2-cycle oil in a ratio of 50:1.
3. Check Oil Level: Ensure the oil level is within the recommended range.
4. Prime the Blower: Activate the fuel primer on the engine to fill the carburetor with fuel.
Starting Your Stihl Leaf Blower
5. Set the Choke: Adjust the choke lever to the starting position.
6. Pull the Starter Rope: Pull the starter rope until the engine starts.
Additional Tips for Smooth Operation
Using Throttle Control
7. Control the blower’s speed using the throttle lever. Avoid over-throttling, which can strain the engine.
Preventing Engine Flooding
8. If the engine floods, remove the spark plug and pull the starter rope several times to clear excess fuel.
Adjusting Airflow Direction
9. Utilize the adjustable air outlet to direct airflow where needed.
Optimal Blowing Angle
10. Hold the blower nozzle slightly above the ground for optimal performance, and angle it to avoid blowing debris onto yourself or others.
Troubleshooting Common Issues
11. Check for fuel and oil levels if the engine fails to start.
12. Clean the air filter if the engine runs rough or stalls.
| Issue | Solution |
|---|---|
| Engine won’t start | Check fuel, oil, spark plug, and air filter |
| Engine runs rough | Clean air filter, adjust carburetor, or check for fuel line blockage |
| Excessive vibration | Check air filter, spark plug, and mountings |
Stihl Leaf Blower How To Start
Stihl leaf blowers are powerful tools that can make quick work of clearing leaves and debris from your yard. However, if you’re not familiar with how to start a Stihl leaf blower, it can be a bit daunting.
Here are the steps on how to start a Stihl leaf blower:
- Make sure the blower is assembled correctly. This includes attaching the blower tube and fuel tank.
- Fill the fuel tank with fresh fuel. Stihl leaf blowers use a 50:1 ratio of gas to oil.
- Locate the choke lever and set it to the “closed” position. The choke lever is usually located on the side of the blower.
- Turn the ignition switch to the “on” position.
- Pull the starter cord until the engine starts. You may need to pull the cord several times before the engine starts.
- Once the engine starts, set the choke lever to the “open” position.
- Allow the engine to warm up for a few minutes before using the blower.
Tips:
- If the engine does not start, check to make sure that the fuel tank is full and that the choke lever is in the “closed” position.
- If the engine starts but then stalls, try opening the choke lever a little bit.
- If you have any other problems starting your Stihl leaf blower, consult your owner’s manual for troubleshooting tips.
People Also Ask About Stihl Leaf Blower How To Start
How do I start a Stihl leaf blower without a pull cord?
Stihl leaf blowers do not have a pull cord. Instead, they have a starter rope that you pull to start the engine.
How do I adjust the carburetor on my Stihl leaf blower?
Adjusting the carburetor on a Stihl leaf blower is a job best left to a qualified technician. If you are not comfortable making carburetor adjustments, it is best to take your blower to a repair shop.
Why is my Stihl leaf blower not starting?
There are several reasons why your Stihl leaf blower may not be starting. Some of the most common causes include:
- The fuel tank is empty.
- The choke lever is not set to the “closed” position.
- The spark plug is fouled.
- The air filter is clogged.
- The fuel lines are clogged.
If you have checked all of these things and your blower still does not start, you may need to take it to a repair shop for further diagnosis.
