1. Introduction
This manual provides essential information for the safe and effective use and maintenance of your Lawnmaster 24V Grass Trimmer Spool and Line, model CLGT2425S. Please read these instructions carefully before installation and retain them for future reference.
2. Safety Instructions
Always prioritize safety when handling power tools and accessories. Failure to follow these instructions may result in injury or damage.
- Ensure the grass trimmer is switched off and the battery is removed before installing or replacing the spool and line.
- Wear appropriate personal protective equipment (PPE), including safety glasses and gloves, during installation and operation.
- Keep hands and feet clear of the cutting head at all times.
- Use only genuine Lawnmaster replacement parts to ensure compatibility and maintain product warranty.
- Store the spool and line in a dry, safe place away from children and pets.
3. Product Overview
The Lawnmaster 24V Grass Trimmer Spool and Line (CLGT2425S) is designed for efficient grass trimming. This replacement spool features durable nylon line for effective cutting.

Figure 1: Lawnmaster Grass Trimmer Spool and Line. The spool is made of nylon, with a length of 488 cm and a diameter of 0.17 cm.

Figure 2: The Lawnmaster 24V Grass Trimmer, compatible with the CLGT2425S spool and line.
4. Installation and Setup
Follow these steps to correctly install the replacement spool and line into your Lawnmaster 24V Grass Trimmer:
- Remove Old Spool: Press the tabs located on both sides of the spool cover. Lift the cover to access and remove the old, empty spool.
- Insert New Spool: Place the new Lawnmaster spool into the trimmer head. Ensure the line is properly threaded through the cutting head eyelet.
- Release Line: Gently pull the line to ensure it is free and extends correctly from the spool.
- Secure Cover: Reattach the spool cover, ensuring it clicks securely into place.

Figure 3: Visual guide for easy spool installation, showing the process of removing the old spool and inserting the new one.
5. Operating Instructions
Once the spool and line are correctly installed, your Lawnmaster 24V Grass Trimmer is ready for use. The trimmer features an automatic line feed system.
- Ensure the battery is fully charged and securely inserted into the trimmer.
- Hold the trimmer firmly with both hands.
- Engage the power switch. The automatic line feed will advance the line as needed during operation.
- Move the trimmer steadily across the area to be trimmed, maintaining a safe distance from obstacles and other individuals.

Figure 4: The trimmer head in action, demonstrating the automatic line feed feature.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your Lawnmaster Grass Trimmer Spool and Line.
- Line Replacement: Replace the spool and line when the existing line is depleted or damaged. Refer to Section 4 for installation steps.
- Cleaning: After each use, clean the trimmer head and spool cover to remove grass clippings and debris. Ensure the trimmer is off and the battery is removed before cleaning.
- Storage: Store replacement spools in a cool, dry place. Avoid prolonged exposure to direct sunlight or extreme temperatures.
7. Troubleshooting
If you encounter issues with your Lawnmaster Grass Trimmer Spool and Line, consider the following common solutions:
- Line Not Feeding: Check if the line is tangled on the spool or if the spool is incorrectly seated. Ensure the line is not stuck in the eyelet.
- Line Breaking Frequently: This may indicate worn line, incorrect line type, or improper trimming technique (e.g., hitting hard surfaces). Replace with a fresh, genuine Lawnmaster spool.
- Difficulty Installing Spool: Ensure the tabs are fully depressed when removing or installing the cover. Verify the spool is oriented correctly.
For persistent issues, contact Lawnmaster customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Lawnmaster |
| Model Number | 951744 (CLGT2425S) |
| Power Source Compatibility | 24V Electric Grass Trimmer |
| Cutting Width Compatibility | 25 Centimeters |
| Spool Material | Nylon |
| Line Length | 488 cm |
| Line Diameter | 0.17 cm |
| Manufacturer | Cleva |
| Country of Origin | China |
9. Warranty and Support
The Lawnmaster 24V Grass Trimmer Spool and Line (CLGT2425S) comes with a 2-year limited warranty. This warranty covers manufacturing defects under normal use conditions.

Figure 5: Information regarding the 2-year limited warranty.
For warranty claims, technical support, or to purchase additional accessories, please visit the official Lawnmaster website or contact your retailer.
Online Support: Lawnmaster Store on Amazon





