How to Remove Head on Craftsman Weed Eater? Craftsman Head

Introduction

Craftsman weed eaters are a staple for homeowners and landscaping professionals alike, known for their durability and reliable performance. Over time, however, you’ll likely need to remove the head for routine maintenance, part replacement, or to swap to a different cutting attachment. If you’re wondering how to remove head on Craftsman weed eater, you’re not alone—this is one of the most common DIY maintenance tasks for Craftsman string trimmer owners, and it requires no special tools or professional experience to complete safely.

The process varies slightly depending on your weed eater’s model and the type of head installed, but the core steps are straightforward for even first-time DIYers. This guide will walk you through every step of the process, from gathering the right tools to reinstalling the head correctly, plus pro tips, common mistakes to avoid, and troubleshooting advice to ensure your weed eater stays in top condition for years to come.

• Introduction
• Why You Might Need to Remove Your Craftsman Weed Eater Head
• How to Identify Your Craftsman Weed Eater Model
• Tools and Safety Gear You’ll Need
• Understanding Common Craftsman Weed Eater Head Types
• Step-by-Step Guide to Removing a Craftsman Weed Eater Head
• How to Reinstall Your Craftsman Weed Eater Head
• Pro Tips and Best Practices for Head Maintenance
• Common Mistakes to Avoid During Removal
• Troubleshooting Common Post-Removal Issues
• Frequently Asked Questions
• Conclusion

Why You Might Need to Remove Your Craftsman Weed Eater Head

There are several common reasons why you may need to remove the head from your Craftsman weed eater, most of which are related to routine maintenance or performance issues. Understanding these reasons will help you recognize when it’s time to perform this simple task to keep your tool running smoothly.

Replacing worn or broken trimmer line: Over time, trimmer line wears down from friction with grass, weeds, and hard surfaces, or breaks when hitting rocks and other debris. Removing the head allows you to easily replace the line spool or reload new line without damaging the drive shaft or other internal components.

Clearing jams: Tangled line, accumulated grass clippings, and small debris can jam the head, preventing it from spinning properly or causing the engine to stall. Removing the head gives you full access to clear out all debris and untangle line that is stuck inside the spool.

Upgrading or swapping head types: Many Craftsman weed eaters are designed to accept multiple head types, so you may want to remove your existing bump feed head to install a fixed line head for thicker brush, or an edger attachment for clean, precise edges along sidewalks and garden beds.

Repairing damaged components: If the head is cracked, the line spool is broken, or the mounting tabs are damaged, you will need to remove the head to replace it with a new OEM Craftsman part. Ignoring a damaged head can lead to poor cutting performance, increased wear on the drive shaft, and even detachment during use, which poses a safety risk.

Long-term storage: If you plan to store your weed eater for more than a month during the off-season, removing the head reduces stress on the drive shaft and prevents trimmer line from becoming brittle or tangled. It also makes storage more compact and reduces the risk of accidental damage.

How to Identify Your Craftsman Weed Eater Model

Before you begin removing the head, it’s helpful to identify your specific Craftsman weed eater model, as this will ensure you use the correct tools and replacement parts. The model number is printed on a durable decal located in one of three common places: on the engine housing near the spark plug, on the lower shaft near the head, or on the handle of the tool.

Craftsman model numbers are typically 5 to 7 digits long, sometimes starting with a letter (for example, 79123 or CMXGZAM380001). You can use this model number to look up the correct replacement head, the required fastener size for head removal, and any model-specific instructions in the owner’s manual. If you no longer have the manual, you can find a digital copy on the Craftsman website by entering your model number into the support search bar.

Tools and Safety Gear You’ll Need

Removing a Craftsman weed eater head is a simple task, but having the right tools and following basic safety guidelines will help you avoid injury and damage to your tool. The most important safety step to take before starting any work is to disconnect the spark plug wire from the spark plug. This prevents the engine from starting accidentally if the trigger is engaged, which can cause serious injury. Even electric weed eaters should be unplugged from the power source before starting work.

You will need the following tools and safety gear to complete the removal process:

• Work gloves: Protect your hands from sharp trimmer line edges, debris, and hot engine components (for gas-powered models).
• Safety glasses: Shield your eyes from flying debris, dirt, and grass clippings when removing the head.
• Appropriate wrench or socket set: Most Craftsman bump feed heads use a 10mm or 13mm socket for the retaining nut, while fixed line and edger heads may require a flathead screwdriver or Allen wrench. Check your model’s manual for the exact fastener size.
• Rubber mallet: Use this to gently tap stuck heads without damaging the drive shaft or mounting components. Never use a metal hammer, as it can dent or bend parts.
• Penetrating oil (optional): Useful for loosening heads that are stuck due to rust or built-up debris.
• Clean rag: Wipe away dirt, grass clippings, and old grease from the drive shaft and head mounting area.
• Small parts tray (optional): Keep retaining nuts, bolts, washers, and locking tabs organized during removal to avoid losing them.

For additional safety, wear closed-toe shoes to protect your feet if you drop the head, and use a dust mask if you are working in a dusty or moldy area.

Understanding Common Craftsman Weed Eater Head Types

Craftsman manufactures several different head types for their weed eaters, each designed for specific use cases and held on with a slightly different retention mechanism. Identifying your head type before starting removal will save you time and reduce the risk of damaging components. The three most common Craftsman head types are bump feed, fixed line, and edger attachments.

Head Type Comparison Table

The table below outlines the key differences between these common head types to help you identify yours and understand the removal process for each:

If you are unsure what type of head you have, refer to your model number and look up the compatible head types in the Craftsman parts catalog, or check the owner’s manual for your specific weed eater.

Step-by-Step Guide to Removing a Craftsman Weed Eater Head

Once you have identified your head type and gathered the necessary tools, follow the steps below to safely remove the head from your Craftsman weed eater. This guide covers the full process for how to remove head on Craftsman weed eater for all common head types, so you can complete the task quickly regardless of your model.

Pre-Removal Preparation

1. Place the weed eater on a flat, stable surface, such as a workbench or level ground. If you are working on a gas-powered model, ensure the engine is fully cool to avoid burns from hot exhaust components.
2. Disconnect the spark plug wire from the spark plug (for gas models) or unplug the weed eater from the power outlet (for electric models). Tuck the spark plug wire away from the spark plug to prevent accidental contact.
3. Remove any debris, grass clippings, or dirt from around the base of the head using a clean rag or brush. This prevents debris from falling into the drive shaft when you remove the head, which can cause damage or wear over time.
4. If your weed eater has a plastic guard or shield covering the head, remove it by loosening any retaining screws or clips and setting it aside.

Removing a Bump Feed Head

Bump feed heads are the most common type for residential Craftsman weed eaters, and are held on with a threaded retaining nut. Follow these steps to remove it:

1. Locate the threaded retaining nut at the base of the head, where it connects to the drive shaft. This nut is almost always 10mm or 13mm in size for standard Craftsman models.
2. Fit the correct size socket or open-end wrench over the retaining nut, and turn it counterclockwise to loosen it. You may need to hold the drive shaft steady with one hand to prevent it from spinning while you loosen the nut.
3. Once the nut is fully loosened, remove it and set it aside in a small parts tray so you do not lose it.
4. Twist the entire head assembly counterclockwise to free it from the threaded drive shaft. Pull the head straight off once it is loose.
5. If the head is stuck due to rust or built-up debris, apply a small amount of penetrating oil to the base of the head, let it sit for 10 to 15 minutes, then gently wiggle the head while pulling to loosen it. Avoid using excessive force, as this can damage the threads on the drive shaft.

Removing a Fixed Line Head

Fixed line heads are designed for heavier-duty use and are held on with a locking tab or retaining bolt instead of a threaded nut. Follow these steps to remove it:

1. Locate the locking tab or retaining bolt on the base of the head. The locking tab is a small plastic or metal lever that clicks into place to hold the head securely to the drive shaft.
2. If your head has a locking tab, use a flathead screwdriver to gently pry the tab up to the “unlock” position. You will usually hear a click when the tab releases fully.
3. If your head has a retaining bolt, use the appropriate size Allen wrench or socket to turn the bolt counterclockwise and loosen it. Remove the bolt and any accompanying washers and set them aside.
4. Twist the head assembly counterclockwise to free it from the drive shaft, then pull it straight off. Some fixed line heads also have a small circlip (a metal retaining ring) that holds the head in place; if yours has a circlip, use circlip pliers to remove it before twisting off the head.
5. If the head is stuck, tap the base gently with a rubber mallet to loosen it without damaging the mounting components. Avoid prying the head with metal tools, as this can bend the drive shaft.

Removing an Edger Attachment Head

Edger attachments are designed for precision edging and are often used with Craftsman’s multi-function weed eaters. They have a slightly different retention mechanism than standard trimming heads:

1. Locate the quick-release lever or retaining bolt on the edger attachment. Most Craftsman edger attachments have a large, easy-to-use quick-release lever on the side of the mounting bracket.
2. If your edger has a quick-release lever, flip the lever to the “unlock” position. You may need to hold the lever down while pulling the head off the drive shaft to fully release it.
3. Pull the edger head straight off the drive shaft. Do not twist it, as this can damage the alignment tabs on the drive shaft and prevent proper reinstallation.
4. If your edger has a retaining bolt instead of a quick-release lever, use a wrench to loosen the bolt counterclockwise, then twist and pull the head off the drive shaft.
5. If the head is stuck, tap the mounting bracket lightly with a rubber mallet to loosen it. Avoid prying the head, as this can bend the delicate alignment tabs on the drive shaft and require costly repairs.

How to Reinstall Your Craftsman Weed Eater Head

After removing the head for maintenance, repair, or replacement, reinstalling it correctly is just as important as removing it properly. A poorly installed head can wobble, loosen during use, or damage the drive shaft, leading to poor performance and safety risks. Follow these steps to reinstall your head correctly:

1. Clean the drive shaft and the mounting area on the bottom of the head with a clean rag to remove any debris, old grease, or rust. This ensures a secure fit and prevents damage to the threads or mounting tabs.
2. If the drive shaft threads are dry, apply a small amount of lithium grease to the threads to prevent seizing and make future removal easier. Avoid using excessive grease, as this can attract dirt and debris.
3. Align the head with the drive shaft, making sure any tabs, slots, or alignment marks line up correctly. For edger attachments, ensure the alignment tabs on the drive shaft fit fully into the slots on the head mounting bracket to avoid wobbling.
4. Twist the head clockwise until it seats fully against the drive shaft. Do not force it—if it does not twist on easily, realign it to avoid cross-threading the threads, which can damage the drive shaft and make future removal impossible.
5. Tighten the retaining nut, bolt, or locking tab securely. For threaded nuts, tighten to the manufacturer’s specified torque of 5 to 7 ft-lbs. For locking tabs, make sure the tab clicks fully into the locked position. For quick-release levers, flip the lever to the “lock” position and confirm it clicks into place.
6. Reconnect the spark plug wire (for gas models) or plug the weed eater back in (for electric models). Start the tool at low speed to check that the head is properly secured and spins without wobbling before using it at full speed for cutting tasks.

Pro Tips and Best Practices for Head Maintenance

Following these pro tips will help you extend the life of your Craftsman weed eater head and avoid common issues during removal and reinstallation:

• Keep a parts log: Write down your weed eater’s model number and the type of head you have, so you can easily order the correct replacement parts when needed. This eliminates guesswork when purchasing new line, spools, or replacement heads.
• Inspect the drive shaft regularly: Each time you remove the head, check the drive shaft for signs of wear, bending, or damage. A bent drive shaft will cause the head to wobble, leading to poor cutting performance and premature wear on the head and other components.
• Use the correct trimmer line: Always use the line diameter and shape recommended by Craftsman for your specific head model. Using line that is too thick can overload the engine and damage the head, while line that is too thin will break easily and reduce cutting efficiency.
• Clean the head after each use: After each use, wipe away grass clippings, dirt, and debris from the head and line spool. This prevents buildup that can cause jams and premature wear on the spool and line feed mechanism.
• Store the head separately in off-seasons: If you are storing your weed eater for more than a month, remove the head and store it in a dry, climate-controlled space. This prevents the line from becoming brittle and reduces stress on the drive shaft and mounting components during storage.
• Avoid overloading the head: Do not attempt to cut thick brush, woody vegetation, or large tree saplings with a standard bump feed head, as this can damage the head and drive shaft. Use a fixed line head or a dedicated brush cutter attachment for heavy-duty cutting tasks.

Common Mistakes to Avoid During Removal

Even experienced DIYers can make mistakes when removing a Craftsman weed eater head, leading to damage, injury, or extra repair costs. Avoid these common pitfalls to ensure a smooth, safe process:

• Skipping spark plug disconnection: This is the most dangerous mistake you can make. Even if the weed eater is turned off, a connected spark plug can cause the engine to start unexpectedly if the trigger is engaged, leading to serious lacerations or other injuries. Always disconnect the spark plug wire or unplug the tool before starting work.
• Using the wrong size tool: Using a wrench or socket that is too large or too small can strip the retaining nut or bolt, making it impossible to remove without damaging the fastener. Check your owner’s manual for the correct fastener size for your model, and test the fit of your tool before applying force.
• Over-tightening the retaining nut: Many users tighten the retaining nut as tightly as possible, but this can strip the threads on the drive shaft or crack the plastic housing of the head. Tighten the nut firmly by hand, then give it an additional 1/4 to 1/2 turn with a wrench—do not force it beyond that point. If you have a torque wrench, use the 5 to 7 ft-lb specification for most Craftsman models.
• Forcing a stuck head: Prying the head with a screwdriver or using excessive force can bend the drive shaft or damage the mounting tabs. If the head is stuck, apply penetrating oil and let it sit, then tap it gently with a rubber mallet to loosen it. Never use a metal hammer or pry bar, as these can damage components.
• Mixing up components: When removing the head, keep all washers, retaining nuts, locking tabs, and circlips organized in a small parts tray. Mixing up components or forgetting to reinstall washers can lead to poor fit, premature wear, and the head loosening during use.
• Ignoring wear on mounting components: If the retaining nut, locking tab, or drive shaft threads are worn, corroded, or damaged, replace them before reinstalling the head. Using worn components can cause the head to loosen during operation, leading to damage or injury.

Troubleshooting Common Post-Removal Issues

If you encounter issues after removing and reinstalling your Craftsman weed eater head, use the troubleshooting guide below to resolve them quickly:

• Head wobbles after reinstallation: This is usually caused by a loose retaining nut, misaligned head, or bent drive shaft. First, tighten the retaining nut to the specified 5 to 7 ft-lb torque. If the wobble persists, remove the head and check that the alignment tabs on the drive shaft are not bent, and that the head is fully seated on the shaft. Replace the drive shaft if it is bent.
• Engine won’t start after reconnecting the spark plug: Check that the spark plug wire is fully seated on the spark plug, and that you did not accidentally disconnect any other wires or components while working on the head. For electric models, ensure the tool is plugged in and the power switch is turned on.
• Trimmer line won’t advance after reinstalling the head: This is almost always caused by tangled line inside the head or a damaged line spool. Remove the head again, untangle or replace the line, and inspect the spool for cracks or wear. Replace the spool if it is damaged.
• Head loosens during use: This is caused by under-tightening the retaining nut or a worn locking tab. Tighten the nut to the correct torque, and replace the locking tab if it is cracked, worn, or no longer clicks into place securely.

Frequently Asked Questions

How often should I remove my Craftsman weed eater head?

Most users only need to remove the head when performing maintenance, replacing parts, or swapping to a different head type. For regular residential use, inspect the head every 10 to 15 hours of operation for wear, tangled line, or debris buildup. If you notice reduced cutting performance, unusual wobbling, or jammed line, remove the head immediately to address the issue. You do not need to remove the head for routine use unless you are performing maintenance or repairs.

What should I do if my Craftsman weed eater head is stuck and won’t come off?

First, double-check that the retaining nut, bolt, or locking tab is fully loosened—this is the most common reason a head won’t come off. If the fastener is fully loose, apply a small amount of penetrating oil (such as WD-40 or PB Blaster) to the base of the head where it meets the drive shaft, and let it sit for 10 to 15 minutes to loosen any rust or debris. Then gently wiggle the head back and forth while pulling it straight off. If it still won’t budge, tap the base of the head lightly with a rubber mallet to loosen it without damaging the drive shaft or mounting components. Avoid using metal tools to pry the head, as this can bend the drive shaft and require costly repairs.

Can I use a non-Craftsman replacement head on my weed eater?

While some universal replacement heads are compatible with Craftsman weed eaters, it is always recommended to use OEM (original equipment manufacturer) Craftsman heads to ensure proper fit, safe operation, and compliance with your tool’s warranty. Universal heads may have slightly different mounting dimensions, which can lead to wobbling, poor cutting performance, or even detachment during use. Before purchasing a replacement head, check your weed eater’s model number (printed on a decal on the engine housing or lower shaft) to confirm compatibility with third-party heads if you choose to use them.

What is the correct torque for tightening a Craftsman weed eater head?

Most Craftsman weed eater heads require a tightening torque of 5 to 7 foot-pounds (ft-lbs) for the retaining nut or bolt. Over-tightening can strip the threads on the drive shaft or crack the plastic housing of the head, while under-tightening can cause the head to loosen during operation, leading to damage or injury. If you do not have a torque wrench, tighten the nut firmly by hand, then give it an additional 1/4 to 1/2 turn with a wrench—do not force it beyond that point.

Will removing the head fix a jammed trimmer line issue?

In most cases, yes. Trimmer line jams are almost always caused by tangled line, debris buildup inside the head, or worn spool components. Removing the head allows you to fully clean out debris, untangle or replace the line, and inspect the spool for cracks or wear. If the jam is caused by a damaged drive shaft or clutch (rather than the head itself), you may need additional repairs, but head removal is the first and most important step in troubleshooting most line jam issues. After reinstalling the head, test the weed eater at low speed to confirm the jam is resolved before using it at full power.

Conclusion

Learning how to remove head on Craftsman weed eater is a simple, valuable skill that saves you time and money on maintenance and repairs. Whether you’re replacing worn trimmer line, clearing a jam, upgrading to a different head type, or preparing your tool for long-term storage, the process only requires basic tools and a few simple safety precautions to complete safely and efficiently.

By identifying your head type, following the correct removal steps for your model, and avoiding common mistakes like skipping spark plug disconnection or over-tightening fasteners, you can complete the task in just a few minutes. Regular maintenance, including removing and inspecting the head as needed, will extend the life of your Craftsman weed eater and keep it performing at its best for years to come. If you ever encounter issues you can’t resolve, consult your owner’s manual or contact Craftsman customer support for model-specific guidance.