Important Safety Information
Use safety glasses and protective cover to protect your eyes and skin from flying plant parts. Always use the correct pressure and swivel function to avoid accidents.
Always read and understand all safety warnings and instructions before operating the tool. Keep these instructions for future reference.
Product Overview
The Bosch Universal GrassCut 18V-26-500 is a battery-powered string trimmer designed for efficient grass cutting and edge trimming. It features an ergonomic design for comfortable use and various functions to simplify lawn care.

The Bosch Universal GrassCut 18V-26-500 battery-powered trimmer, shown with its battery and charger, packaged for retail. This image provides a complete view of the product and its included accessories.

A clear view of the Bosch Universal GrassCut 18V-26-500 trimmer, detached from its packaging, highlighting its design and components including the handle, shaft, and cutting head.
Key Features:
- Comfortable Design: Engineered for comfortable and flexible lawn trimming.
- Semi-automatic Bobbin: Automatically feeds the thread when the trigger is released, eliminating manual adjustments.
- Telescopic Height Adjustment: Allows for comfortable handling and adapts to various user heights.
- EdgeSimple Feature: Enables easy transition from trimming to edging by squeezing and turning the handle.
- Plant Guard: Protects trees and plants during operation.
- Tilt Feature: Facilitates cutting in hard-to-reach areas and under obstacles.
Setup and Assembly
The Bosch Universal GrassCut 18V-26-500 requires minimal assembly. Follow these steps to prepare your trimmer for use:
- Unpack Components: Carefully remove all parts from the packaging, including the trimmer body, battery, and charger.
- Charge Battery:
- Connect the charger to a power outlet.
- Insert the 18V 2.0Ah battery into the charger.
- Allow the battery to charge fully. A full charge takes approximately 65 minutes with the included charger.
- Attach Battery: Once charged, slide the battery firmly into the battery compartment on the trimmer handle until it clicks into place.
- Adjust Handle and Shaft:
- Loosen any adjustment knobs or levers on the shaft.
- Extend the telescopic shaft to a comfortable working height.
- Adjust the auxiliary handle for optimal grip and balance.
- Secure all adjustments firmly.

A user demonstrates the telescopic height adjustment feature of the trimmer, ensuring an ergonomic and comfortable posture during operation.
Operating Instructions
Starting and Stopping
- To start the trimmer, ensure the battery is securely inserted, then press the safety lock-off button and squeeze the trigger switch.
- To stop the trimmer, release the trigger switch.
Trimming Grass
Hold the trimmer firmly with both hands. Swing the trimmer from side to side, keeping the cutting head parallel to the ground. Maintain a steady pace for an even cut.

A close-up view of the semi-automatic line feed in action, showing the cutting line extending as the trimmer operates, ensuring continuous cutting without manual adjustment.
Edging with EdgeSimple
The EdgeSimple feature allows for quick conversion to edging mode.
- Release the trigger.
- Squeeze and turn the handle to rotate the cutting head 90 degrees for vertical edging.
- Guide the trimmer along the edge of your lawn or pathway.

A user demonstrates the EdgeSimple feature, effortlessly trimming the edge of a lawn along a paved path, showcasing the trimmer's versatility.
Using the Tilt Head
The tilt head function is useful for reaching difficult areas, such as under benches or shrubs.
- Adjust the angle of the cutting head to suit the obstacle.
- Proceed with caution to avoid contact with hard surfaces or objects.

The trimmer's tilt head feature is shown in use, allowing the user to easily trim grass underneath a garden bench, demonstrating its flexibility for hard-to-reach areas.
Plant Protector
The integrated plant protector helps prevent damage to delicate plants, trees, and garden features while trimming.
- Extend the plant protector guard before trimming near sensitive areas.
- Use the guard as a guide to maintain a safe distance from desired vegetation.

The plant protector feature is illustrated, showing the trimmer safely operating near a flower bed, preventing accidental damage to plants.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your Bosch GrassCut trimmer.
Cleaning
- Always remove the battery before cleaning.
- Wipe down the exterior of the trimmer with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Clear any grass clippings or debris from the cutting head and guard.
- Ensure ventilation openings are free from obstructions.
Line Replacement
The semi-automatic bobbin feeds line as needed. When the line is depleted, it will need to be replaced. Refer to the specific instructions provided with replacement spools for your model.
Storage
- Store the trimmer in a dry, secure location, out of reach of children.
- Remove the battery from the trimmer before long-term storage.
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start | Battery not charged or not inserted correctly. Safety lock-off not engaged. | Ensure battery is fully charged and securely inserted. Press safety lock-off button before squeezing trigger. |
| Cutting line breaks frequently | Incorrect cutting technique (hitting hard surfaces). Line worn out or incorrect type. | Avoid hitting fences, walls, or stones. Ensure you are using the correct diameter and type of replacement line. Replace the line spool if necessary. |
| Reduced cutting performance | Line too short. Battery charge low. | Allow semi-automatic feed to extend line, or manually extend if needed. Recharge battery. |
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Bosch |
| Model Number | 06008C1F00 |
| Battery Voltage | 18 V |
| Battery Type | Lithium Ion |
| Charging Time (2.0Ah battery) | Approx. 65 min |
| Cutting Diameter | 26 cm |
| Idle Speed | 8500 RPM |
| Item Weight | 2.4 Kilograms |
| Product Dimensions | 133 x 26 x 12.7 cm |
| Power Source | Battery Powered |
| Assembly Required | Yes |
| Country of Origin | Germany |
Note: Specifications are subject to change without notice for product improvement.
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Bosch website for your region.
You can also visit the Bosch Store on Amazon for more product information and support resources.





