1. Safety Information
WARNING: To reduce the risk of injury, the user must read and understand this instruction manual before using this product.
- Always wear safety glasses and gloves during operation.
- Be aware of potential flying debris and cut hazards.
- Always follow assembly instructions carefully.
- Keep children and bystanders at a safe distance.
- Do not operate the tool in wet conditions.
2. Product Overview
The Ryobi RY40201A is a versatile 40V cordless string trimmer and edger designed for efficient lawn maintenance. This bare tool requires a compatible 40V battery and charger (not included).

Figure 1: Overall view of the Ryobi 40V Cordless String Trimmer/Edger.

Figure 2: Close-up of the trimmer head and shaft, highlighting the cutting mechanism.

Figure 3: Underside view of the trimmer head, showing the line exit point and protective guard.
3. Setup
3.1 Assembly
This product requires assembly. Refer to the included assembly guide for detailed instructions on attaching the shaft, handle, and guard. Ensure all connections are secure before use.
3.2 Battery Installation
- Ensure the trimmer is turned off and the trigger is disengaged.
- Align the 40V lithium-ion battery with the battery port on the tool's handle.
- Slide the battery into the port until it clicks securely into place.
- To remove, press the battery release latch and slide the battery out.
4. Operating Instructions
4.1 Starting the Trimmer/Edger
- Ensure the battery is fully charged and securely installed.
- Hold the trimmer firmly with both hands.
- Press the safety lock-out button (if applicable) and then squeeze the trigger to start the motor.
- Release the trigger to stop the motor.
4.2 Trimming Operation
- Hold the trimmer with the cutting head parallel to the ground.
- Move the trimmer slowly and steadily across the area to be trimmed.
- Maintain a safe distance from obstacles and other individuals.
4.3 Edging Operation
- To convert to edger mode, rotate the trimmer head 90 degrees. This model features a wheel for easier edging.
- Position the wheel on the hard surface (e.g., driveway, sidewalk) and guide the cutting line along the edge of the lawn.
- Apply gentle pressure and move at a consistent pace for a clean edge.

Figure 4: User demonstrating the Ryobi 40V Trimmer/Edger in action.
5. Maintenance
5.1 Line Replacement
- Always remove the battery before performing any maintenance.
- Refer to the product manual for specific instructions on how to open the trimmer head and replace the cutting line.
- Use only the recommended line diameter for optimal performance.
5.2 Cleaning and Storage
- After each use, clean the trimmer head and guard of any grass clippings or debris.
- Store the tool in a dry, secure location out of reach of children.
- Remove the battery during storage to prevent accidental startup.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not charged or improperly installed. | Charge battery fully. Ensure battery is clicked into place. |
| Cutting line does not advance | Line tangled or empty spool. | Remove battery, inspect and untangle line, or replace spool. |
| Reduced cutting performance | Dull or worn cutting line. | Replace cutting line. |
7. Specifications
- Brand: RYOBI
- Model Number: RY40001 W/ RY40022
- Power Source: Battery Powered (40V Lithium-ion, battery and charger sold separately)
- Color: Green
- Item Weight: 8 Pounds
- Cutting Width: 15 inches (approximate, based on typical string trimmer specifications for this model type)
- Product Dimensions: 33.5 x 8.1 x 9.2 inches
- Assembly Required: Yes
- UPC: 046396005779
8. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or visit the official RYOBI website. Keep your purchase receipt as proof of purchase for warranty claims.





