Stens 380-688 Fire Trimmer Line Instruction Manual
Model: 380-688
1. Product Overview
The Stens 380-688 Fire Trimmer Line is a durable co-polymer replacement line designed for string trimmers. It features a .105" diameter and comes in 12-inch pre-cut lengths, with 12 pieces per pack. This line is suitable for both commercial and consumer use with manual and semi-automatic trimmer heads.
Image 1.1: Stens 380-688 Fire Trimmer Line. This image displays the bundle of red, round-shaped trimmer line pieces.
2. Safety Information
Always prioritize safety when working with power tools. Read and understand your string trimmer's instruction manual before installing or using this trimmer line. Failure to follow safety instructions can result in serious injury.
- Wear appropriate personal protective equipment (PPE), including eye protection, hearing protection, long pants, and sturdy footwear.
- Ensure the trimmer is turned off and disconnected from its power source (battery removed or spark plug wire disconnected) before performing any maintenance or line replacement.
- Keep bystanders, children, and pets at a safe distance from the work area.
- Inspect the trimmer head for damage before each use.
3. Installation (Replacing Trimmer Line)
This trimmer line is designed for easy replacement in compatible string trimmer heads. The specific installation method may vary slightly depending on your trimmer model (manual or semi-automatic head). Refer to your trimmer's manual for detailed instructions on how to open and load the trimmer head.
General Steps for Line Replacement:
- Prepare the Trimmer: Ensure the trimmer is off and disconnected from its power source.
- Remove Old Line (if applicable): If there is old line remaining, remove it from the trimmer head.
- Open Trimmer Head: Follow your trimmer's instructions to open the trimmer head. This usually involves pressing tabs or unscrewing a cap.
- Insert New Line: Take one 12-inch piece of Stens 380-688 Fire Trimmer Line. Insert one end of the line into the designated hole or slot in the trimmer head spool or eyelet.
- Secure the Line: Ensure the line is properly seated and secured according to your trimmer head's design. For some heads, the line is simply threaded through; for others, it may wrap around a spool.
- Close Trimmer Head: Reassemble the trimmer head, ensuring all parts are securely fastened.
- Check Line Length: The 12-inch length is pre-cut for convenience. Ensure it does not exceed the cutting guard's maximum length.
4. Operating Instructions
Once the Stens 380-688 Fire Trimmer Line is correctly installed, operate your string trimmer according to its manufacturer's instructions. This line is designed for efficient cutting of grass and light weeds.
- Maintain a steady and controlled motion while trimming.
- Avoid hitting hard surfaces, rocks, or fences, as this can cause premature line breakage.
- The durable co-polymer construction provides good resistance to wear, but frequent contact with abrasive surfaces will shorten its lifespan.
5. Maintenance and Storage
Line Maintenance:
- Inspect the trimmer line regularly for wear, fraying, or damage. Replace worn line promptly to maintain cutting efficiency and prevent issues.
- If the line appears brittle, it may be due to age or improper storage.
Storage:
- Store unused trimmer line in a cool, dry place away from direct sunlight and extreme temperatures.
- Proper storage helps maintain the line's flexibility and durability.
6. Troubleshooting
Line Breaks Frequently:
- Cause: Hitting hard objects, incorrect line installation, or worn trimmer head eyelets.
Solution: Avoid contact with hard surfaces. Ensure line is installed correctly. Inspect and replace worn trimmer head components if necessary.
Line Not Feeding:
- Cause: Line tangled inside the head, incorrect installation, or debris.
Solution: Turn off and disconnect the trimmer. Open the head and check for tangles or obstructions. Reinstall the line carefully.
7. Specifications
| Model Number | 380-688 |
| Brand | Stens |
| Diameter | .105" |
| Approximate Length (per piece) | 12" |
| Pieces per Pack | 12 |
| Color | Red |
| Shape | Round |
| Material | Durable co-polymer |
| Operation Mode Compatibility | Automatic, Manual (Trimmer Heads) |
| UPC | 023899407828 |
8. Warranty and Support
For specific warranty information or technical support regarding your Stens 380-688 Fire Trimmer Line, please refer to the official Stens website or contact Stens customer service directly. Keep your purchase receipt for any warranty claims.
You can visit the Stens store for more products and information: Stens Official Store