How to Change a Stihl Weed Eater String: A Beginner’s Guide to Effortless Lawn Maintenance

Are you struggling to change the string on your Stihl weed eater? You’re not alone. Many homeowners find themselves stumped by the task, either because they’ve never done it before or because they’re not sure of the correct procedure. However, with a bit of guidance and practice, changing the string on your Stihl weed eater can be a straightforward task that you can do on your own.

In this blog post, we’ll guide you through the steps you need to follow to change the string on your Stihl weed eater, so you can get back to your yard work in no time.

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Step 1: Safety Precautions

If you need to change the string on your Stihl weed eater, the first and most important step is to take safety precautions. Before you start any maintenance work on your weed eater, make sure the engine is off and the spark plug is disconnected to avoid any accidental start-ups. Wear protective gear such as safety glasses, gloves, and earplugs to shield yourself from flying debris and loud noises.

It’s also wise to work in a well-ventilated area and avoid handling the weed eater near flammable materials. By taking these safety precautions, you can ensure a safe and stress-free experience when changing the string on your Stihl weed eater.

Wear appropriate protective gear

When working with power tools or any machinery, it’s essential to wear appropriate protective gear. This can prevent injuries and keep you safe from any potential danger. The gear you wear should depend on the work you’re performing and the potential hazards associated with it.

For instance, if you’re working with loud machinery, earplugs or earmuffs can protect your hearing. Similarly, if you’re working with chemicals, gloves, goggles, and a respirator should be worn to reduce the risk of exposure to harmful substances. In some cases, a hard hat may be necessary to protect your head from falling objects or bumps.

Remember, wearing the right gear is crucial to your safety, so take the time to assess the potential hazards of the job before you begin.

how to change a stihl weed eater string

Ensure the engine is off and cooled

Before you start working on your engine, it’s important to take some safety precautions. The first thing you need to do is ensure that the engine is off and cooled down. This step is crucial because working on a hot engine can increase the risk of burns and other injuries.

Additionally, make sure that the vehicle is in a safe location where it won’t roll or tip over, and park it on a flat surface. It’s also important to wear protective gear like gloves and goggles to keep yourself safe from debris and harmful fumes. Taking these simple steps can help keep you safe while working on your engine and prevent any accidents from occurring.

So, make sure to take these safety precautions seriously and stay safe!

Step 2: Remove the Trimmer Head

When it comes to changing the string on your Stihl weed eater, the first step is usually to remove the trimmer head. This is easier said than done, but with a few simple steps, it can be accomplished quickly and easily. The first thing to do is to turn off the power to your weed eater and disconnect the spark plug wire, then flip it over so that you can see the head from underneath.

Next, locate the tabs on either side of the trimmer head and press them in to release it from the spool. Once the trimmer head is loose, simply pull it off of the shaft and lay it aside. Now you’re ready to replace the string and reattach the trimmer head, but we’ll cover those steps in more detail in the next section.

With a little practice, you’ll be changing the string on your Stihl weed eater like a pro in no time!

Loosen the retaining bolt or knob

Now that you have turned off your trimmer and located the retaining bolt or knob, it’s time to loosen it. This will allow you to remove the trimmer head with ease. It’s essential to take care not to loosen the bolt or knob too much, as you may end up damaging the trimmer head.

One essential tip to keep in mind is that the amount of force required to loosen the bolt or knob depends on your trimmer’s make and model. Some models may need a few turns, while others may require only a gentle touch. Take your time and loosen it steadily until you can twist off the trimmer head by hand.

If you find it challenging to loosen the bolt or knob, you can use a pair of pliers to help you get a better grip. But be careful not to apply too much force, as this may damage the bolt or knob. Remember to handle your trimmer with care to avoid accidents and prolong its lifespan.

Remove the trimmer head from the machine

To remove the trimmer head from your machine, the first step is to locate the head of the trimmer. Once you’ve located the head, you can begin to remove it by unscrewing it from the machine in a clockwise direction. You may need to apply some pressure to the head in order to get it to loosen.

Be careful not to lose the screws that hold the head in place as you unscrew them. Once you’ve removed the screws, you should be able to simply lift the trimmer head off of the machine. Remember to keep the screws and any other parts that you remove in a safe place so that you can easily put them back on when it’s time to reattach the trimmer head.

With the trimmer head removed from the machine, you can now access the line or blades that need replacing or cleaning. Just be sure to refer to your user manual for any specific instructions or precautions before working on your trimmer.

Step 3: Remove the Old String

One crucial step in learning how to change a Stihl weed eater string is removing the old string. First, turn off the weed eater and disconnect the spark plug to avoid any accidental starting. Next, locate the empty spool on the head of the weed eater.

Hold the spool in place by grasping it with one hand and turning the bump knob counterclockwise with the other. Once the bump knob is removed, carefully take off the old string, making sure to properly dispose of it. Once you have removed the old string, you’re ready to move on to the next step in replacing the string on your Stihl weed eater.

Unwind the old string from the spool

When it comes to restringing your guitar, the first step is to unwind the old string from the spool. This may seem like a straightforward task, but it requires a bit of finesse to avoid damaging your guitar. Begin by loosening the tension on the string by turning the tuning key counterclockwise.

Once the string is slack, gently unwind it from the tuning peg, being careful not to scratch your guitar’s finish. As you remove the old string, take note of the way it was threaded through the bridge and the tuning peg, as this will help you install the new string correctly. It’s important to remove all remnants of the old string, including any bits that may have broken off during previous restringings.

By taking the time to properly remove the old string, you’ll ensure that your guitar stays in top shape and that the new string will have a secure foundation for optimal sound quality. So go ahead, unwind that old string and get ready to install a fresh one for a smooth playing experience.

Inspect the spool for wear and damage

When inspecting the spool for wear and damage, the first thing to do is to remove the old string from the spool. This can be done by turning the spool counterclockwise until it comes off. If the spool is dirty, you can clean it with a damp cloth.

Once the old string is removed, look for any signs of wear or damage on the spool. Check for any cracks, chips, or dents in the spool. If you find any damage, you should replace the spool before winding the new string onto it.

It’s important to do this inspection to ensure the new string is wound onto a spool that is in good condition. Any damage or wear to the spool can cause the new string to jam or break, causing further damage to your equipment. By taking a few extra minutes to inspect the spool, you can save yourself time and money in the long run.

Step 4: Measure and Cut the New String

After removing the old string, it’s time to measure and cut the new string. Make sure to use the correct type of string for your Stihl weed eater as using the wrong type can damage your equipment. Take the new string and measure it to the desired length.

You can do this by following the indicated cutting length on the package or by wrapping the string around the spool until it reaches the desired length. Once you have the correct length, cut the string with a sharp pair of scissors or a utility knife. Be sure to cut the string straight to avoid any snagging or tangling while in use.

With the new string measured and cut, you’re now ready to start winding it onto the spool.

Measure out the correct length of string for your trimmer

When it’s time to replace the string on your trimmer, it’s essential to measure out the correct length for optimal performance. The length of the string can vary depending on your trimmer model, so it’s crucial to check your manufacturer’s instructions. To measure out the new string, you can either use a measuring tape or a pre-cut length provided by the manufacturer.

Once you have the correct length, use a pair of sharp scissors or a utility knife to cut the string. It’s essential to use a clean cut to prevent fraying and ensure even performance. Don’t forget to wear protective gloves when handling the string to avoid cuts or abrasions.

With the right length of string, your trimmer will be ready to tackle any tough job with ease!

Cut the string to the proper length

Now that you’ve attached the new string to your bow, it’s time to cut it to the proper length. This step is crucial for both accuracy and safety. Ideally, the string should be just long enough to fit into the nocks on your bow while still leaving some room for adjustment.

To measure the length, hold the bow vertically and pull the string up to your chin. Allow for a few extra inches for adjustments and then cut the string to size. Be careful not to cut it too short, as this can result in a dangerous situation where the bow recoils and causes injury.

On the other hand, leaving the string too long can reduce accuracy and cause the arrow to fly off course. Once you’ve cut the string to the proper length, you’re ready for the next step in preparing your bow for use.

Step 5: Thread the New String

Once you’ve removed the old string and prepared the head for the new one, it’s time to thread the new string. Start by inserting one end of the string into the eyelet on the head and then feed it through the hole in the center of the head until both ends are sticking out equally. Depending on the head, there may be arrows indicating which way to wind the string.

Follow these instructions and wind the string in the direction indicated until it’s tight. Then, use your finger to hold the string in place while you thread the other end through the other eyelet and pull it tight. Make sure both ends of the string are evenly distributed on both sides of the head before checking that it’s secure by tugging on it.

And that’s it, you’re now ready to get back to work with a new and refreshed string on your Stihl weed eater.

Insert one end of the string into the hole in the spool

When it comes to replacing the string on your trimmer, threading it properly can be crucial for getting the job done right. After you’ve measured and cut the appropriate length of string, the next step is to insert one end of the string into the hole in the spool. This can vary depending on the type of trimmer you have, but with most models, you simply align the hole on the spool with the notch on the outer ring and push the end of the string through until it comes out the other side.

Once you have the end of the string through the hole, you can start winding the string around the spool until you reach the desired amount. Make sure to wind the string tightly and evenly to avoid any tangles or jams. With the winding complete, you can snap the cap back onto the spool and pull the other end of the string through the eyelet on the trimmer head.

Now you’re ready to tackle your yard work with a freshly strung trimmer that’s ready to cut through even the toughest weeds!

Wind the string onto the spool in the direction of the arrow

When it comes to replacing the string on your trimmer, threading the new string can seem like a daunting task. But don’t worry, it’s easier than you think! First, make sure to choose the right size string for your trimmer. Once you have the correct size, you can begin threading the string.

Start by feeding one end of the string through the hole or eyelet on the spool. Then, wind the string onto the spool in the direction of the arrow. Be sure to keep the string taut as you wind it on, and don’t overfill the spool.

Once you have the desired amount of string on the spool, slide the other end into the slot or notch on the spool and snap it into place. And that’s it! You’re ready to get back to trimming your yard. Remember to take your time and be careful while handling the string, as it can be sharp and cause injury.

With these simple steps, you’ll be a pro at threading your trimmer string in no time!

Step 6: Reattach the Trimmer Head

Now it’s time to reattach the trimmer head after changing the strings on your Stihl weed eater. First, ensure that the spool is correctly oriented and locked into place. Then, align the head with the shaft and push it onto the blade until it snaps into place.

Next, hold the head and rotate the eyelets until they align with the arrows on the head. Finally, insert the locking ring and turn it clockwise to secure the head in place. Congratulations, you have successfully changed the strings on your Stihl weed eater and are ready to tackle your next trimming job! Remember to always follow proper safety precautions and refer to the user manual for any additional information.

Reattach the trimmer head to the machine

Now that you have cleaned your trimmer head thoroughly and made sure all the components are in good condition, it’s time to reattach the head to the machine. Start by lining up the arrows or tabs on both the head and the shaft. Slide the head onto the shaft until you hear a click, indicating that it’s securely attached.

If your trimmer head has a bump knob, screw it on tightly. If it’s a fixed-line head, insert the trimmer line and wind it around the head following the manufacturer’s instructions. Make sure the line is tightly wound and there are no loose ends.

Reattach the spool or cover, and screw it tightly, ensuring that it’s in the correct orientation. Finally, reattach the spark plug wire if you disconnected it and start the engine to make sure everything is working as it should. The reattachment process is a crucial step in ensuring your trimmer works effectively and efficiently.

By following these simple steps, you’ll have your trimmer head reattached in no time, ready to tackle all your lawn maintenance needs!

Secure the retaining bolt or knob

Now that you’ve cleaned your trimmer head and installed the line, it’s time to reattach the head back onto the trimmer. Before you do so, make sure to secure the retaining bolt or knob tightly in place to prevent the head from detaching during use. This step is crucial for the safety of both you and your trimmer.

Double-check to ensure that the head is securely attached. Give it a gentle tug to make sure it doesn’t come loose. You’re now ready to use your trimmer and admire your neat and tidy lawn.

By properly reattaching the trimmer head and securing the retaining bolt or knob, you can enjoy a hassle-free and efficient trimming experience. Safety should always be your top priority when using power tools.

Step 7: Test the New String

After you’ve replaced the string on your Stihl weed eater, it’s important to test it out before you continue with your yard work. Start by turning on the engine and seeing how the string spins. If it seems to be working properly, try trimming some grass or weeds to make sure it’s cutting cleanly and effectively.

If the string seems to be struggling or breaking easily, you may need to adjust the tension or replace it with a higher-quality string. It’s better to take the time to test the new string before diving into your yard work, so you don’t end up frustrated halfway through the task. With these steps, changing the string on your Stihl weed eater can be a quick and easy process.

So, grab your gloves and get your yard looking sharp in no time!

Turn on the machine and test the new string

After replacing the old string with a new one and making sure it is properly installed, the last step is to turn on the machine and test the new string. Before turning the machine on, double-check that it is plugged in and all the power cords are connected securely. Once everything is set up, switch on the machine and let it run for a few minutes.

Listen closely for any unusual sounds from the string or the machine itself. Test the string by playing different notes and chords, making sure they produce clear and consistent sounds. It is also a good idea to check if the intonation is correct.

If the intonation is slightly off, you can adjust it by tuning the guitar again. Once you are happy with the new string, you are ready to rock and roll! Remember, always take good care of your strings and keep them clean for optimal performance and durability.

Troubleshooting Tips

If you’re having trouble with your Stihl weed eater string, don’t worry! It’s a common issue that many people face. To get started, make sure you have the right size and type of string for your specific model. Once you have the string, turn off the weed eater and remove the spark plug wire to ensure safety while working on the device.

Next, remove the spool cover and carefully unwind any old string that’s still on the spool. Insert the new string by following the arrows on the spool to wrap the string in the proper direction. Once you have the string in place, cut it to the desired length and reattach the spool cover.

With these simple steps, you’ll be back to trimming your lawn in no time!

String won’t feed properly? Check for tangles or jams

If you’re experiencing issues with your string feeding properly through your device, there are a few troubleshooting tips to keep in mind. One common cause of feeding problems is tangles or jams in the string itself. Take a close look at the string and ensure that it’s not tangled or knotted in any way.

If you do spot a tangle, carefully unwind it until the string is smooth again. Similarly, look for any obstructions or jams within the device that might be preventing the string from moving through smoothly. By taking these steps to troubleshoot the issue, you can get your string feeding properly again and have your device up and running as it should be.

Remember to always take care when handling potential knots or jams, to avoid causing any damage to the device or injuring yourself. Keyword: String.

String still not feeding? Check the spool and replace if necessary

If you’re experiencing issues with your string trimmer not feeding, it could be due to a faulty spool. Even if you’ve been careful with your trimmer, spools can wear down over time and become damaged, which will impact the performance of your tool. If you notice that your string is consistently breaking or not feeding, it’s best to check the spool for any signs of wear or damage before continuing.

If you do find that there’s damage to the spool, it’s essential to replace it as soon as possible to prevent further issues down the line. By taking the time to regularly check and replace your spool, you’ll ensure that your trimmer is functioning at its best, letting you tackle even the toughest lawn care jobs with ease.


And there you have it, folks. Changing the string on your Stihl weed eater is as easy as slicing through butter with a hot knife. With just a few simple steps and a bit of patience, your trusty gardening tool will be ready to tackle even the toughest of weeds with ease.

So the next time your yard is in need of some trimming, don’t let a tangled string stand in your way. Follow these instructions and get back to a pristine lawn in no time!”

Changing your Stihl weed eater string is a simple process with the right steps and precautions.

When it comes to operating a Stihl weed eater, one thing you’ll need to know is how to change the string effectively. But what if you’re in the middle of a job and the string breaks unexpectedly? Not to worry, here are some troubleshooting tips that might help you out. Firstly, make sure the string is properly attached to the spool.

If it’s loose, it may come apart during use. Also, check that the string isn’t too short, as this can cause it to retract too far into the head and become unusable. If you’re still having trouble, try cleaning the head to ensure there isn’t any debris or grass impeding the string’s movement.

By taking these measures and ensuring everything’s attached properly, you should be able to finish your job without any further hassle. Keyword: Stihl weed eater string.


What is the recommended string size for a Stihl weed eater?
The recommended string size for a Stihl weed eater is typically between 0.080 to 0.105 inches in diameter.

How often should you change the string on a Stihl weed eater?
It is recommended to change the string on a Stihl weed eater every 5 to 10 hours of use, or when the string begins to wear down.

Can you use any brand of string on a Stihl weed eater?
While some brands of string may be compatible with Stihl weed eaters, it is recommended to use Stihl brand string for optimal performance and compatibility.

How do you install new string on a Stihl weed eater?
To install new string on a Stihl weed eater, first remove the spool from the head of the weed eater. Cut a length of string to the appropriate size and insert it into the spool, following the direction of the arrow indicated on the spool. Wind the string tightly and evenly around the spool, and then thread the string through the eyelets on the weed eater head. Reattach the spool to the head.

Why does the string on my Stihl weed eater keep breaking?
The string on a Stihl weed eater can break due to a variety of factors including improper installation, using the wrong size or type of string, hitting hard objects while trimming, or a malfunctioning head. Check the string installation and ensure the correct size and type of string is being used. If the issue persists, the weed eater head may need to be repaired or replaced.

How do you troubleshoot a Stihl weed eater that won’t start?
If a Stihl weed eater won’t start, check the fuel level, spark plug, and air filter for any issues. Ensure the choke is set properly and that the fuel is fresh and mixed correctly. If the issue persists, a faulty carburetor or ignition system may be to blame and a professional technician may need to be consulted.

How do you properly store a Stihl weed eater?
When not in use, a Stihl weed eater should be stored in a clean, dry area away from direct sunlight and moisture. The fuel should be drained or topped off with a fuel stabilizer to prevent damage to the engine. The spool should also be checked and any excess string removed to prevent tangling.

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