How to Change Weed Eater Head on Stihl: A Step-by-Step Guide

Are you struggling to change the weed eater head on your Stihl trimmer? Don’t fret! In this blog, we’ll walk you through the step-by-step process of how to easily replace the weed eater head on your Stihl trimmer. Whether you’re a beginner or a seasoned gardener, we’ve got you covered! Imagine this: you’re in the middle of trimming your lawn, and suddenly your weed eater head breaks or wears out. What do you do? Do you panic and rush to the nearest repair shop? Well, you don’t have to.

With just a few simple tools and our guidance, you can replace the weed eater head yourself and save both time and money. Now, you might be wondering, why is it essential to know how to change the weed eater head on a Stihl trimmer? Well, a worn out or broken weed eater head can affect the performance of your trimmer. It may not cut as efficiently, leaving you with uneven edges and untidy grass.

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By replacing the head, you can ensure that your Stihl trimmer is functioning at its best, giving you that perfectly manicured lawn you desire. So, let’s dive into the process of changing the weed eater head on your Stihl trimmer. Don’t worry; it’s easier than you think! We’ll walk you through each step, from gathering the necessary tools to installing the new head.

By the end of this blog, you’ll be equipped with the knowledge and confidence to tackle this task with ease. Stay tuned for our next blog, where we’ll kick-start the process by discussing the tools you’ll need. Get ready to become a weed eater head-changing pro! Let’s get those trimmers up and running smoothly again, so you can go back to enjoying a perfectly trimmed lawn.


If you own a Stihl weed eater and find yourself needing to change the head, don’t worry, it’s a straightforward process that anyone can do. The first step is to make sure the weed eater is turned off and the spark plug is disconnected to prevent any accidents. Then, remove the trimmer head cover by unscrewing it counterclockwise.

This will expose the trimmer head, which is held in place with a bolt in the center. Use a wrench or pliers to loosen and remove the bolt. Once the bolt is removed, you can simply pull the old trimmer head off and replace it with a new one.

Make sure to align the new head properly and tighten the bolt securely. Finally, replace the trimmer head cover by screwing it back on tightly. That’s all there is to it! With a little bit of time and effort, you can easily change the weed eater head on your Stihl trimmer and get back to tackling those tough trimming tasks.

Overview of Stihl weed eater head

Stihl weed eater heads are an essential part of any landscaping tool arsenal. These versatile attachments are designed to fit on a Stihl weed eater, providing you with the ability to tackle a range of tasks with ease. Whether you need to trim grass along a fence line, clear away thick brush and vegetation, or edge your lawn for a manicured look, a Stihl weed eater head can help you get the job done quickly and efficiently.

With their easy-to-use design and durable construction, these heads are built to handle even the toughest jobs. Whether you’re a professional landscaper or a DIY enthusiast, a Stihl weed eater head is a must-have tool that will enhance your weed eating experience.

how to change weed eater head on stihl

Importance of replacing weed eater head

weed eater head, importance of replacing weed eater head

Step by Step Guide

If you’re a proud owner of a Stihl weed eater and you’re looking to change the head, you’re in luck because it’s actually a fairly straightforward process. Here’s a step-by-step guide on how to change the weed eater head on your Stihl model. First, locate the head on your weed eater.

It’s usually at the end of the trimmer shaft and it may be covered with a cap. Use your hands or a wrench to loosen and remove the cap. Once the cap is off, you should see the spool inside the head.

Take note of how the trimmer line is wound around the spool so you can replicate it later. Remove the spool, then cut a length of new trimmer line that matches the length of the old line. Thread the trimmer line through the holes in the spool, making sure to follow the directional arrows if they are indicated.

Once the trimmer line is properly threaded, place the spool back into the head and secure it with the cap. Tighten the cap until it is secure, but be careful not to overtighten it. And there you have it – you’ve successfully changed the weed eater head on your Stihl model! Now you can get back to trimming those unruly edges and enjoying a well-maintained yard.

Step 1: Preparation

preparation, step by step guide

Step 2: Removing the old head

When it comes to replacing a shower head, the first step is to remove the old one. This might seem like a daunting task, but it’s actually quite simple. First, you’ll want to turn off the water supply to the shower.

This can usually be done by turning the knob or lever on the main water supply line. Once the water is turned off, you’ll want to unscrew the shower head from the shower arm. This can usually be done by twisting it counterclockwise.

If the shower head is stuck, you may need to use a pair of pliers to help loosen it. Once the shower head is off, you can clean the shower arm thoroughly before attaching the new head. By following these steps, you’ll be on your way to enjoying a brand new shower head in no time.

Step 3: Installing the new head

I’m sure you’re excited to get started with the installation of your new head! This step is crucial in the process, as it will bring your project one step closer to completion. First, make sure you have all the necessary tools at hand – a wrench, a socket set, and a torque wrench. Once you have everything ready, begin by carefully lifting the new head and placing it onto the engine block.

Make sure it aligns properly with the gasket and the studs. Now, it’s time to tighten the head bolts. Start with the center bolt and work your way outwards in a crisscross pattern.

This ensures that the head is evenly tightened and prevents warping. Use your torque wrench to tighten the bolts to the manufacturer’s specifications. Finally, double-check to ensure that all the bolts are tightened properly.

With the new head securely installed, you’re one step closer to finishing your project!

Tips and Tricks

Changing the weed eater head on your Stihl trimmer might seem like a daunting task, but with a few simple steps, you can do it yourself. First, make sure the trimmer is turned off and remove the spark plug wire for safety. Next, locate the trimmer head and use a wrench or pliers to remove the retaining nut holding it in place.

Once the nut is removed, you can easily lift off the old trimmer head. Before installing the new head, it’s a good idea to clean the trimmer shaft and inspect it for any damage. Then, simply line up the new head with the shaft and twist it into place.

Finally, tighten the retaining nut securely and reattach the spark plug wire. With these easy steps, you’ll have your Stihl trimmer ready to tackle any tough weeds in no time.

Choosing the right replacement head

replacement head, tips and tricks

Maintaining the weed eater head

weed eater head, maintaining, tips and tricks Maintaining the weed eater head is essential for keeping your yard looking neat and tidy. One tip is to regularly clean the head to prevent debris from clogging the rotating mechanism. You can use a small brush or a toothbrush to remove any grass, weeds, or dirt that may have accumulated.

Another trick is to apply lubricant to the head to ensure smooth operation. This will help reduce friction and extend the life of the weed eater head. Additionally, it’s important to check the condition of the cutting line.

If it’s worn or broken, replace it with a new one to ensure optimal performance. By following these simple tips and tricks, you can keep your weed eater head in top shape and make your yard maintenance a breeze.


And there you have it, a step-by-step guide on how to change the weed eater head on a Stihl. By following these simple instructions, you’ll be able to transform your weed eater into a lean, mean, grass-cutting machine in no time. So go ahead and show those unruly weeds who’s boss.

With your newfound weed eater head changing skills, you’ll be the envy of all your neighbors and the hero of your yard. Remember, a little DIY can go a long way, and with Stihl, even the toughest tasks become a walk in the park. Happy trimming!”


How do I change the weed eater head on a Stihl trimmer?
To change the weed eater head on a Stihl trimmer, first, make sure the trimmer is turned off and the spark plug wire is disconnected. Then, use a wrench or a pair of pliers to unscrew the trimmer head from the trimmer shaft. Once the old head is removed, replace it with the new head by screwing it onto the trimmer shaft tightly. Make sure it is secured properly before using the trimmer again.

What tools do I need to change the weed eater head on a Stihl trimmer?
To change the weed eater head on a Stihl trimmer, you will need a wrench or a pair of pliers to remove the old head, and the new head that you wish to install. Additionally, it is recommended to have a clean cloth or rag to wipe away any dirt or debris from the trimmer shaft and head.

How often should I change the weed eater head on my Stihl trimmer?
The frequency of changing the weed eater head on your Stihl trimmer can vary depending on how often you use it and the type of vegetation you are trimming. However, as a general guideline, it is recommended to change the head at least once a year or whenever you notice a decrease in cutting performance.

Can I use any brand of weed eater head on my Stihl trimmer?
Stihl trimmers are specifically designed to work best with Stihl trimmer heads. While it may be possible to use alternative brands, it is recommended to use genuine Stihl replacement parts to ensure proper fit and performance.

Are there different types of weed eater heads available for Stihl trimmers?
Yes, there are different types of weed eater heads available for Stihl trimmers. Some common types include bump feed heads, fixed line heads, and blade heads. Each type has its own advantages and is suitable for different types of trimming tasks. It is important to choose a head that is compatible with your specific Stihl trimmer model.

How do I know if it’s time to change my weed eater head?
There are a few signs that indicate it may be time to change your weed eater head. If you notice that the trimmer line is constantly breaking or not advancing properly, or if the head is damaged or worn out, it is likely time for a replacement. Additionally, if you are experiencing a decrease in cutting efficiency or the trimmer is vibrating excessively, it could also be a sign that the head needs to be changed.

Can I change the weed eater head on my Stihl trimmer myself, or do I need professional assistance?
Changing the weed eater head on a Stihl trimmer is a relatively simple task that can be done by most users. As long as you follow the manufacturer’s instructions and take proper safety precautions, such as disconnecting the spark plug wire and wearing protective gloves. However, if you are unsure or uncomfortable with performing the task yourself, it is always recommended to seek professional assistance.

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