Introdución
This manual provides essential instructions for the safe and efficient operation, assembly, and maintenance of your Yard Force GM B46E self-propelled lawn mower. Please read this manual thoroughly before using the product and keep it for future reference. The Yard Force GM B46E is a powerful and robust 46cm self-propelled thermal lawn mower, suitable for gardens up to 750m². It features a Briggs & Stratton 475IS Series 140cc engine with an electric Lithium-ion battery start system and a durable steel chassis.
Información de seguridade
AVISO: O incumprimento destas instrucións de seguridade pode provocar lesións graves ou a morte.
- Use sempre o equipo de protección individual axeitado, incluíndo protección ocular, protección auditiva e calzado resistente.
- Manteña as mans e os pés lonxe das pezas xiratorias.
- Ensure the area is clear of other people, especially children and pets, before starting the mower.
- Nunca opere o cortacésped en herba mollada ou choiva.
- Turn off the engine and disconnect the spark plug wire before performing any maintenance, cleaning, or clearing blockages.
- Do not operate the mower if any guards or safety devices are damaged or missing.
- Reabastecer de combustible nunha zona ben ventilada co motor apagado e deixalo arrefriar.
- Almacene o combustible nun recipiente aprobado nun lugar fresco e seco.
- Be aware of the terrain; avoid steep slopes and uneven ground.
Configuración
1. Desembalaxe e montaxe inicial
Carefully remove all components from the packaging. Assembly is required. Ensure all parts are present before proceeding.

Image: The Yard Force GM B46E self-propelled lawn mower, fully assembled with its orange grass collection bag. This image provides an overview da aparencia do produto.
2. Montaxe do manillar
Attach the handlebar to the mower body. Secure it using the provided quick clamps. Ensure the clamps are tightened securely to prevent movement during operation. Note: Some users have reported issues with plastic clamp durability; ensure proper alignment and avoid over-tightening. The ergonomic handlebar is fully foldable for easy storage.
3. Battery Installation and Charging (for Electric Start)
The Briggs & Stratton 475IS Series engine features an electric start system powered by a Lithium-ion battery. Locate the battery compartment and insert the fully charged battery. Ensure the battery is charged before first use. Refer to the separate battery charger manual for charging instructions.

Imaxe: Primeiro plano view of the orange electric start button located on the mower's engine housing, indicating the "START" function.
4. Enchido de combustible e aceite
Fill the fuel tank with fresh, unleaded gasoline. Check the engine oil level and fill with the recommended engine oil (refer to the engine manual for specific oil type and capacity). Do not overfill.
5. Axuste da altura de corte
The cutting height is centrally adjustable with a single lever, offering 7 positions from 25mm to 75mm. Select the desired cutting height by moving the lever. For best results, avoid cutting more than one-third of the grass blade length at a time.

Image: A hand demonstrating the adjustment of the central cutting height lever, located near the rear wheel of the lawn mower.
6. Attaching the Grass Collection Bag
Attach the 55-liter hybrid grass collection bag to the rear of the mower. Ensure it is securely fitted. The bag features a fill indicator. The front comb allows for better airflow and grass collection.

Image: A person's hands are shown attaching the orange grass collection bag to the rear of the lawn mower, demonstrating the installation process.
En funcionamento
1. Arranque do motor
Ensure the fuel tank is filled and the oil level is correct. Press the electric start button to engage the engine. If the engine does not start immediately, wait a few seconds and try again. For cold starts, it may require 2-3 attempts.
2. Engaging Self-Propelled Drive
To engage the self-propelled function, squeeze the drive lever on the handlebar. Release the lever to disengage the drive.
3. Técnicas de sega
Mow in overlapping rows for an even cut. For best results, mow when the grass is dry. Avoid sudden turns and maintain a steady pace. The mower is designed for efficient grass collection and mulching.

Image: The Yard Force lawn mower is shown in operation on a well-maintained green lawn, demonstrating its use in a garden setting.
4. Función de mulching
The mulching kit allows you to finely cut grass clippings and redistribute them onto the lawn. This returns nutrients to the soil, promoting healthier grass. To activate mulching, ensure the grass collection bag is removed and the mulching plug (if separate) is installed.
5. Parar o motor
Release the engine brake lever (typically located on the handlebar) to stop the engine. Wait for all moving parts to come to a complete stop before approaching the mower.
Mantemento
Regular maintenance ensures optimal performance and extends the life of your lawn mower. Always disconnect the spark plug wire before performing any maintenance.
- Limpeza: After each use, clean the underside of the mower deck to prevent grass buildup. Clean the exterior with a damp cloth. Do not use a high-pressure washer directly on the engine or electrical components.
- Coidados da folla: Inspect the blade regularly for sharpness and damage. A dull blade can tear grass, leading to an unhealthy lawn. Sharpen or replace the blade as needed.
- Mantemento do motor:
- Cambio de aceite: Change the engine oil according to the schedule in the Briggs & Stratton engine manual.
- Filtro de ar: Clean or replace the air filter regularly to ensure proper engine breathing.
- Buxía: Inspeccione e limpe a buxía periodicamente. Substitúaa se está desgastada.
- Bolsa de herba: Empty the grass bag frequently, especially when the fill indicator shows it's full, to maintain efficient collection and prevent clogging.
- Almacenamento: Before storing for extended periods, ensure the fuel tank is empty or treated with a fuel stabilizer. Clean the mower thoroughly. Store in a dry, protected area with the handlebar folded for compactness.

Image: A detailed close-up of the Briggs & Stratton 475IS engine, highlighting its design and components on the lawn mower.
Resolución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| Engine does not start or starts with difficulty. |
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| Baixo rendemento de corte. |
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| Vibración excesiva. |
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Especificacións
| Característica | Detalle |
|---|---|
| Número de modelo | GM B46E |
| Motor | Briggs & Stratton 475IS Series, 140cc |
| Iniciar o sistema | Electric (Lithium-ion battery) |
| Ancho de corte | 46 cm |
| Axuste da altura de corte | Central lever, 7 positions (25mm - 75mm) |
| Capacidade da bolsa de recollida de herba | 55 Liters (Hybrid type with fill indicator) |
| Función Mulching | Yes (Mulching kit included) |
| Material do chasis | Aceiro de aliaxe |
| Recommended Lawn Size | Ata 750 m² |
| Dimensións do produto (L x W x H) | 82.5 x 55 x 48 cm |
| Peso do elemento | 31 kg |
| Fonte de enerxía | Funciona a gas |
| Modo de operación | Automatic (Self-propelled) |
| Requírese montaxe | Si |
Garantía e Soporte
Your Yard Force GM B46E lawn mower comes with a 2+1 year manufacturer's warrantyEsta garantía cobre defectos de materiais e fabricación en condicións normais de uso. Conserve o comprobante de compra para reclamacións de garantía.
For technical support, spare parts, or warranty inquiries, please contact Yard Force customer service. Contact details can typically be found on the manufacturer's websitio web ou na embalaxe do produto.
- Soporte en liña: Visit the official Yard Force websitio web con preguntas frecuentes e recursos de asistencia.
- Atención ao cliente: Consulta a documentación do produto para obter os números de contacto rexionais ou os enderezos de correo electrónico.





