Moupaa 1
Instruction Manual for KST 120X KST 120X-06 Replacement Blades Head Set
Model: 1
Product Overview
This replacement set is designed for the KST-120X polycarbonate trimmer head, ensuring compatibility with Kobalt KST 120X-06 40-Volt weed eater string trimmers. It provides essential components for maintaining your string trimmer's cutting performance.

Image: The complete replacement set, including the black trimmer head, eight blue replacement blades, four screws, and one L-shaped wrench.
Package Contents
The package includes all necessary components for replacing your trimmer head and blades:
- 1 x Replacement head
- 8 x Replacement blades
- 4 x Screws
- 1 x Wrench
Compatibility
This replacement set is specifically designed to fit the following models:
- Kobalt KST 120X-06 40-Volt Cordless String Trimmer (Item 1520463, 506892, 808667)
- Kobalt KST 120X 40V MAX Cordless String Trimmer

Image: The replacement head and blades shown alongside a Kobalt string trimmer, illustrating compatibility.

Image: A visual representation highlighting compatibility with different Kobalt KST-120X string trimmer and Kobalt 40V Max Cordless String Trimmer models.
Key Features
- Durable Material: Crafted from durable polycarbonate material, these blades are designed for longevity and effective cutting.
- Enhanced Sharpness: Optimized for trimming delicate grass and weeds with precision.
- New Locking System: Features a secure locking system for easy installation and safe operation, preventing accidental detachment even during high-speed rotation.
- Easy Blade Change: Designed for quick and hassle-free blade replacement.

Image: Close-up view of the blue replacement blades, emphasizing their durable construction and design for quick changes.

Image: Detailed views of the blade material, highlighting its polycarbonate composition, good flexibility, and durability.
Setup and Installation
Follow these steps to install the replacement head and blades:
- Safety First: Before beginning any installation, ensure your string trimmer is turned off and disconnected from its power source (battery removed for cordless models).
- Remove Old Head (if applicable): If replacing an existing head, carefully remove the old trimmer head according to your trimmer's original instruction manual.
- Install New Head: Align the new replacement head with the string socket on your trimmer. Push the trimmer head firmly into the socket. It will automatically lock into place with the assistance of the side push buttons. Ensure it is securely fastened.
- Attach Blades: Insert the replacement blades into the designated slots on the new trimmer head. The new locking system design ensures a secure fit.
- Secure with Screws (if needed): Use the provided screws and wrench to further secure any components as indicated by the design of your trimmer head.
- Verify Installation: Gently tug on the installed head and blades to confirm they are firmly in place before operating the trimmer.
Operating Guidelines
Once the replacement head and blades are installed, operate your string trimmer according to its original manufacturer's instructions. The new blades are designed for efficient trimming of grass and weeds.
- Always wear appropriate personal protective equipment (PPE), including eye protection, long pants, and sturdy footwear, when operating a string trimmer.
- Avoid striking hard objects, rocks, or fences with the blades, as this can damage them and reduce their lifespan.
- For optimal performance, replace blades when they show signs of wear, dullness, or damage.

Image: A person operating a string trimmer in a grassy area, demonstrating the product in its intended use environment.
Maintenance
Proper maintenance will extend the life of your replacement head and blades:
- Cleaning: After each use, clean any grass clippings or debris from the trimmer head and blades. A damp cloth can be used, but ensure the parts are dry before storage.
- Blade Inspection: Regularly inspect the blades for signs of wear, cracks, or damage. Worn or damaged blades should be replaced immediately to maintain cutting efficiency and safety.
- Storage: Store the trimmer head and any spare blades in a clean, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter issues with your replacement head or blades, consider the following:
- Blades not cutting effectively:
- Check if blades are dull or damaged. Replace if necessary.
- Ensure blades are installed correctly and securely.
- Head not staying attached:
- Verify that the head is fully pushed into the string socket and the locking mechanism has engaged.
- Ensure all screws (if applicable) are tightened.
- Excessive vibration:
- Inspect blades for uneven wear or damage. Replace any unbalanced blades.
- Ensure the trimmer head is properly seated and secured.
Specifications
| Attribute | Detail |
|---|---|
| Product Dimensions | 0.39 x 0.39 x 0.39 inches |
| Item Weight | 0.035 ounces |
| Manufacturer | Moupaa |
| ASIN | B0DZHM5HQD |
| Item Model Number | 1 |
| Material | Polycarbonate |

Image: A diagram illustrating the dimensions of the replacement head, blades, and screws.
Warranty and Support
For any questions, concerns, or support regarding this product, please contact the manufacturer, Moupaa. Specific warranty details may be provided with your purchase documentation or can be obtained directly from the manufacturer.
Please refer to your original string trimmer's manual for information regarding its warranty and service.
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