1. Información importante de seguridad
Always wear eye protection and gloves when using this string trimmer. Be aware of potential flying debris and keep bystanders at a safe distance. Do not use this product in enclosed spaces or near flammable materials. Always unplug the product before performing any maintenance or cleaning.
2. Producto terminadoview
The Ryobi RY40204 is a 40-Volt Lithium-Ion cordless string trimmer designed for efficient lawn maintenance. It features a lightweight design and is part of the Ryobi 40V system, allowing for compatibility with various attachments (sold separately).

Figure 1: Ryobi RY40204 40-Volt Lithium-Ion Cordless String Trimmer. This image displays the full assembly of the string trimmer, highlighting its ergonomic design and battery placement.
3. Configuración y montaje
- Desembalaje: Retire con cuidado todos los componentes del embalaje. Asegúrese de que estén presentes todas las piezas indicadas en la lista de embalaje.
- Montaje del mango: Attach the auxiliary handle to the main shaft. The handle can be adjusted for optimal comfort and control. Loosen the thumb screw, position the handle, and tighten securely.
- Instalación de protección: Securely attach the debris guard to the trimmer head using the provided fasteners. Ensure it is firmly in place to protect against flying debris.
- Carga de la batería:
- Insert the 40-Volt Lithium-Ion battery into the charger.
- Enchufe el cargador en una toma de corriente estándar.
- Allow the battery to charge completely before first use. Charging time is approximately 3-4 hours.
- Inserción de la batería: Once charged, slide the battery pack into the battery compartment on the trimmer until it clicks securely into place.

Figure 2: Close-up of the Ryobi RY40204 battery compartment. This image shows where the 40V Lithium-Ion battery is inserted into the trimmer's main body.
4. Instrucciones de funcionamiento
- Iniciar la recortadora:
- Asegúrese de que la batería esté completamente cargada y bien instalada.
- Sujete la recortadora firmemente con ambas manos.
- Press the safety lock-out button (if present) and then squeeze the variable speed trigger to start the trimmer.
- Control de velocidad variable: The trimmer features a variable speed trigger. Squeeze the trigger gently for lower speeds, suitable for delicate trimming, and fully for maximum power when cutting through thicker vegetation.
- Técnica de recorte:
- Hold the trimmer head parallel to the ground.
- Swing the trimmer in a side-to-side motion, cutting small amounts of grass with each pass.
- Maintain a safe distance from objects and bystanders.
- Técnica de bordes: The trimmer head can be rotated for edging.
- Adjust the trimmer head to a vertical position.
- Walk slowly along the edge of your lawn, guiding the trimmer to create a clean line.
5. Mantenimiento
- Limpieza: After each use, disconnect the battery and clean the trimmer head and guard of any grass clippings or debris. Use a damp paño; no utilice productos químicos agresivos.
- Reemplazo de cuerdas:
- Disconnect the battery before attempting any string replacement.
- The trimmer uses a bump-feed head. To replace the string, follow the instructions provided with your replacement string spool or consult the full product manual for detailed steps.
- Typically, you align the arrows on the bump knob and the head, feed the new line through, and then twist the head to wind the line.
- Cuidado de la batería: Guarde las baterías en un lugar fresco y seco, alejado de la luz solar directa. No las guarde descargadas durante períodos prolongados.

Figure 3: Close-up of the Ryobi RY40204 trimmer head and debris guard. This image highlights the string spool mechanism and the protective guard.
6. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| La recortadora no arranca. | La batería no está cargada o está instalada incorrectamente. | Ensure battery is fully charged and securely clicked into place. Check safety lock-out button. |
| El hilo de corte no avanza. | La línea está enredada, es demasiado corta o el carrete está vacío. | Disconnect battery, inspect and untangle line, or replace spool. |
| Rendimiento de corte reducido. | Trimmer line is worn or too short. Heavy vegetation. | Advance or replace trimmer line. Cut heavy vegetation in smaller passes. |
7. Especificaciones
- Marca: Ryobi
- Número de modelo: RY40204
- Fuente de energía: Funciona con pilas
- Volumentage: 40 voltios
- Tipo de batería: Iones de litio
- Peso del artículo: 5 libras
- Requiere ensamblaje: Sí
- Sin cable: Sí
- Código postal: 603784365206
- Dimensiones del paquete: 24 x 7 x 5 pulgadas
8. Garantía y soporte
For detailed warranty information, product registration, or technical support, please refer to the official Ryobi webSitio web o contacte directamente con el servicio de atención al cliente. Conserve el recibo de compra para reclamaciones de garantía.





