How to Change Spool on Stihl Weed Eater: Step-by-Step Guide for Easy Replacement

We all enjoy having a well-manicured lawn, flower beds, and garden paths, but keeping them looking tidy requires some work. One of the essential tools for this job is a weed eater, which quickly removes any unwanted vegetation and keeps your lawn looking neat. However, changing the spool on your Stihl weed eater might seem like a daunting task, especially if you are not familiar with the device’s workings.

But don’t worry, we have got you covered! In this article, we will walk you through the necessary steps to change the spool on your Stihl weed eater and get you back to tackling your garden in no time! So grab some gloves, your Stihl weed eater, and let’s dive in!

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Step 1: Prepare the Weed Eater

When it comes to preparing your Stihl weed eater for a successful spool change, there are a few things you should keep in mind. First, ensure that your weed eater is turned off and unplugged from any power source to avoid any potential accidents. Next, inspect the current spool to determine whether it needs to be replaced or simply reloaded with fresh string.

You can also take this opportunity to clean any debris or buildup from the cutting head to promote better efficiency during use. Finally, consult your user manual to determine the correct replacement spool for your specific Stihl model and gather any necessary tools. With these steps completed, you’ll be ready to move onto the next phase of the spool change process and keep your weed eater in top working order for your lawn maintenance needs.

Position the weed eater on a flat surface.

Preparing your weed eater is the first step to ensuring a successful trimming session. To begin, it’s essential to position the weed eater on a flat surface. Doing so will give you better control over the device and prevent it from tipping over.

When the weed eater is on a flat surface, it’s easier to access the air filter, change the line, or solve any problems that might arise when starting the machine. Additionally, it allows you to check the oil levels and ensure that the gas tank is adequately filled. By preparing the weed eater correctly, you will eliminate any potential issues that could arise during trimming, giving you a more efficient and productive session.

So, make sure to position your weed eater on a flat surface to begin your trimming process.

how to change spool on stihl weed eater

Turn off the engine and detach the spark plug.

Starting up your weed eater can be an easy task, but it’s important to prepare the equipment before doing so. Step 1 of preparing your weed eater is to turn off the engine and detach the spark plug. This is an essential safety measure that ensures that the engine won’t accidentally start while you’re working on the equipment.

Turning off the engine means that there’s no power running to the weed eater, and this, along with detaching the spark plug, ensures that the tool won’t start even if you accidentally press the throttle trigger. Remember that safety should always be a top priority when working with any equipment, especially when dealing with power tools. By following this simple step, you’re ensuring that you’re keeping yourself safe while operating the weed eater.

Remove the spool cover and take out the spool.

When it comes to maintaining a healthy yard, a good weed eater can be a powerful tool. However, before you begin using it, you need to make sure it’s properly prepared. The first step in doing so is to remove the spool cover and take out the spool.

This might seem like a simple task, but it’s important to do it correctly to avoid damaging your weed eater. To begin, turn off the weed eater and unplug it from the power source. Then, locate the spool cover, which is usually located at the bottom of the device.

Carefully remove the cover, taking care not to lose any small pieces that might be inside. Once the cover is off, you should be able to easily remove the spool by gently pulling it out. With the spool removed, you can inspect it for damage and clean it if necessary.

By taking the time to properly prepare your weed eater, you can ensure that it works effectively and safely every time you use it.

Step 2: Install the New Spool

If you want to know how to change the spool on a Stihl weed eater, the next step is to install the new spool. First, get the new spool and make sure it is compatible with your Stihl model. Next, carefully insert the spool into the designated space on the head of your weed eater.

Make sure to follow the manufacturer’s instructions, as different models may have different installation procedures. Once the spool is in place, replace the cover and secure it tightly. Make sure there are no loose or dangling parts before you start your weed eater.

With the new spool installed, you are now ready to tackle those weeds and grassy areas in your yard! Remember to always wear protective gear and handle your equipment with care.

Insert the new spool into the housing.

Installing the new spool is the next step in getting your lawn trimmer working again. To start, make sure the housing is clean and free of debris. Then, remove the old spool and dispose of it properly.

Next, insert the new spool into the housing, making sure it fits snugly and securely. Pay attention to any arrows or markings on the spool to ensure it is oriented correctly. Once it is in place, gently tug on the line to make sure it is properly threaded through the eyelets.

Remember, a correctly installed spool is essential for the proper functioning of your lawn trimmer, so take the extra time to make sure it is done right. With the new spool installed, your trimmer will be ready for action at a moment’s notice.

Make sure the spool lock engages the spool properly.

When it comes to replacing the spool on your weed eater, it’s important to make sure the new spool is installed correctly. The second step in this process is to ensure that the spool lock engages the spool properly. This step is crucial because if the spool isn’t securely locked in place, it can cause the line to tangle or even come loose during use.

To ensure a proper installation, start by lining up the spool with the corresponding slot in the trimmer head. Then, push the spool down firmly and rotate it until you hear a click. This click indicates that the spool lock has engaged and that the spool is securely in place.

Once the spool is installed, give it a gentle tug to make sure it won’t come loose during use. By taking the time to properly install the new spool, you can ensure your weed eater works properly and doesn’t cause any unnecessary frustration.

Wind the cutting line onto the spool following the manufacturer’s directions.

When it’s time to replace the cutting line on your string trimmer, installing a new spool can be a simple process if you follow the manufacturer’s instructions. The second step is to wind the cutting line onto the spool correctly. First, make sure you have the right size and shape of the spool for your trimmer model.

Then, remove any leftover line from the old spool and clean the area thoroughly. Next, take the new cutting line and wind it onto the spool, following the manufacturer’s recommended directions. It’s essential to wind the line evenly and tightly to prevent any tangles or jams while trimming.

Be sure to leave enough extra line for the spool’s cap or tap head to have enough space to secure the line. After winding the line, install the spool carefully and securely onto your trimmer. This installation process will allow you to quickly handle repairs and replace the cutting line so that your trimmer can consistently function at the highest level.

Step 3: Reassemble the Weed Eater

Now that you’ve successfully replaced the spool on your Stihl weed eater, it’s time to reassemble it. First, slide the spool back onto the shaft and push it down until it clicks into place. Next, replace the spool cover by lining it up with the tabs on the head and twisting it clockwise until it snaps into place.

Finally, thread the line through the holes in the cover and snap the trimmer head back onto the shaft. Ensure it’s tightly secured before turning the power back on and testing the weed eater. Remember, always wear protective equipment when using any power tool, including a weed eater.

By following these steps, you can easily change the spool on your Stihl weed eater and keep it running smoothly for years to come.

Replace the spool cover and tighten the screws securely.

As you near the end of repairing your weed eater, it’s time to reassemble it. Step 3 is to replace the spool cover and tighten the screws securely. This is an important step, as it ensures that the spool stays in place and prevents any damage to the machine.

Make sure to insert the spool line correctly and tuck it neatly inside the cover. When tightening the screws, be careful not to overdo it, as you don’t want to strip the screws. This step may seem simple, but it is crucial to the overall functioning of the weed eater.

With the spool cover back in place, you can move on to the final step of testing your machine. Does it start up smoothly and run like new? If not, it may be time to go back and check on any steps you may have missed.

Reattach the spark plug wire to the spark plug.

To complete the process of fixing your weed eater, it’s now time to reassemble it. The third step is to reattach the spark plug wire to the spark plug. This may be one of the simplest steps in the process, but it’s essential to get your weed eater up and running again.

Start by finding the spark plug wire and locating the spark plug in the engine. Once you’ve found it, push the wire onto the spark plug firmly until you feel or hear a click. This ensures that the wire is firmly attached to the plug and there is a good connection.

Without proper attachment, your weed eater may not function or may malfunction. So, be sure to do it correctly. After reattaching the spark plug wire, you can proceed with the final steps to test out your weed eater.

Start the engine and test the weed eater.

Now that you’ve completed the previous steps of cleaning and replacing the spark plug and air filter, it’s time to put the weed eater back together. Start by reattaching the air filter cover and securing it with a screwdriver. Next, insert the spark plug and tighten it with a wrench.

Then, attach the spark plug wire to the spark plug and push the throttle cable back through the housing and into its original position. Once everything is securely in place, it’s time to start the engine and test out your handiwork. Give it a few pulls to get it going and listen for any unusual noises or vibrations.

If everything sounds and feels normal, you’re good to go! Get ready to tackle those pesky weeds and overgrown grass with your newly repaired weed eater. Remember, taking the time to properly maintain your equipment will help it last longer and perform better in the long run.


If you’ve made it this far in the article, congratulations are in order! You’re officially a pro at changing the spool on your Stihl weed eater. Whether you’re a seasoned landscaper or a DIY enthusiast, there’s no denying the importance of keeping your equipment in top shape. Changing the spool on your weed eater may seem like a daunting task, but with a little bit of practice and a lot of patience, you’ll be able to breeze through it like a pro.

Now go forth and tackle those weeds with ease!”


What type of spool is compatible with Stihl weed eater?
Stihl weed eaters are compatible with different types of spools. It is recommended to use the spool provided by Stihl for the best performance. However, other brands may also work, as long as they match the model and specifications of your Stihl weed eater.

How often should I change the spool in my Stihl weed eater?
The frequency of changing the spool in your Stihl weed eater depends on several factors, such as the type of spool, how often you use the weed eater, and the intensity of the work. As a general rule, you should replace the spool whenever it wears out or breaks. You can also change it if you notice a decrease in the weed eater’s performance.

Can I refill the spool instead of buying a new one?
Yes, you can refill the spool of your Stihl weed eater instead of buying a new one. However, you have to make sure that you use the right line diameter and type. Also, make sure that you wind the line properly to prevent tangling.

How do I remove the old spool from my Stihl weed eater?
To remove the old spool from your Stihl weed eater, first, turn off the engine and unplug the spark plug. Then, hold the spool housing and twist the cap counterclockwise until it loosens. Gently remove the cap and the spool from the housing.

How do I install a new spool in my Stihl weed eater?
To install a new spool in your Stihl weed eater, first, make sure that you have the right spool for your model. Then, thread the line through the holes in the spool and wind it in the direction of the arrow. Make sure that you wind it tight and evenly. Then, insert the spool into the housing, replace the cap, and tighten it clockwise.

How do I adjust the spool tension on my Stihl weed eater?
To adjust the spool tension on your Stihl weed eater, first, remove the spool from the housing. Then, look for the knob or dial that controls the tension. Turn it clockwise to increase the tension and counterclockwise to decrease it. Make sure that you adjust it to the appropriate tension to prevent tangling and maintain optimum performance.

Can I use different types of line in my Stihl weed eater?
Stihl weed eaters are designed to use different types of line, depending on the type of work and the model. However, it is recommended to use the line that is specified in the manual or the spool provided by Stihl. Using the wrong type of line can damage the weed eater and affect its performance.

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