1. Introducción
Welcome to the Troy-Bilt TB400 Gas Leaf Blower instruction manual. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new leaf blower. Please read this manual thoroughly before operating the unit and keep it for future reference.

Figura 1: Frente view of the Troy-Bilt TB400 Gas Leaf Blower, showcasing its red and black design with the blower tube attached.
2. Información de seguridad
Priorice siempre la seguridad al operar equipos eléctricos. No seguir las instrucciones de seguridad puede provocar lesiones graves o daños materiales.
Reglas generales de seguridad:
- Lea y comprenda todas las instrucciones antes de operar el soplador.
- Use equipo de protección personal (EPP) adecuado, que incluya protección para los ojos, protección auditiva, pantalones largos y calzado resistente.
- Do not operate the blower when tired, ill, or under the influence of alcohol or drugs.
- Mantenga a los niños, transeúntes y mascotas al menos a 50 pies (15 metros) de distancia del área de operación.
- Inspect the unit before each use for loose fasteners, fuel leaks, or damaged parts.
- Never modify the blower.
Seguridad del combustible:
- Use a 40:1 gasoline to 2-cycle oil mixture.
- Mix fuel in a well-ventilated area away from ignition sources.
- Almacene el combustible en un recipiente aprobado en un lugar fresco y seco.
- No fume mientras manipule combustible.
- Limpie cualquier derrame de combustible inmediatamente.
3. Montaje
The Troy-Bilt TB400 comes mostly pre-assembled. The primary assembly step involves attaching the blower tube.
Attaching the Blower Tube:
- Alinee el tubo del soplador con la salida de la unidad principal.
- Push the tube firmly onto the outlet until it clicks into place or is securely seated.
- Ensure the tube is locked in position to prevent it from detaching during operation.

Figura 2: Lado view of the Troy-Bilt TB400 Gas Leaf Blower, showing the securely attached black blower tube extending from the red main unit.
4. Setup and Fueling
Fuel Mixture (40:1 Ratio):
This unit requires a mixture of unleaded gasoline and 2-cycle engine oil at a 40:1 ratio. This means for every 40 parts of gasoline, add 1 part of 2-cycle oil.
- Utilice gasolina fresca, limpia y sin plomo con un octanaje de 87 o superior.
- Use a high-quality 2-cycle engine oil specifically designed for air-cooled engines.
- Mix the fuel and oil thoroughly in a separate, approved fuel container before pouring into the blower's fuel tank.

Figura 3: detallada view of the fuel tank cap and engine controls on the Troy-Bilt TB400, including the primer bulb and choke lever.
Llenado del tanque de combustible:
- Coloque el soplador sobre una superficie plana y estable.
- Limpie el área alrededor de la tapa de combustible para evitar que entre suciedad en el tanque.
- Retire con cuidado la tapa de combustible.
- Pour the pre-mixed fuel into the tank, being careful not to overfill. Leave a small air gap.
- Coloque de forma segura la tapa del combustible.
5. Instrucciones de funcionamiento
Starting the Engine (Cold Start):
- Set the cruise control lever to the "UP" position.
- Press the primer bulb 10 times until fuel is visible in the return line.
- Coloque la palanca del estrangulador en la posición "START".
- Pull the starter rope 5 times. The engine may attempt to start.
- Set the choke lever to the "WARM-UP" position.
- Tire de la cuerda de arranque de 3 a 5 veces hasta que el motor arranque.
- Deje que el motor se caliente durante 30 a 60 segundos.
- Set the choke lever to the "RUN" position.

Figure 4: Close-up of the Troy-Bilt TB400 engine, showing the "TO START" label with step-by-step instructions for cold starting, including primer bulb and choke settings.
Starting the Engine (Warm Start):
- Set the choke lever to the "RUN" position.
- Tire de la cuerda de arranque hasta que arranque el motor.
Operando el soplador:
- Sujete el soplador firmemente con ambas manos.
- Use the variable speed throttle to control the airflow. The TB400 offers air speeds up to 180 MPH and clearing power of up to 400 CFM.
- Direct the airflow to clear leaves, grass clippings, and other debris from surfaces.
- For extended operation, engage the cruise control feature to maintain a desired speed without continuously holding the throttle trigger.

Figure 5: A person operating the Troy-Bilt TB400 Gas Leaf Blower, effectively clearing autumn leaves from a grassy area, demonstrating its maneuverability.
Detener el motor:
- Suelte el gatillo del acelerador.
- Press and hold the "STOP" button until the engine shuts off.
6. Mantenimiento
Regular maintenance ensures optimal performance and extends the life of your Troy-Bilt TB400. Always disconnect the spark plug wire before performing any maintenance.
Filtro de aire:
- Inspeccione el filtro de aire antes de cada uso.
- Clean or replace the air filter as needed. A dirty air filter can reduce engine performance.
Bujía:
- Inspeccione la bujía anualmente o cada 25 horas de funcionamiento.
- Limpie o reemplace la bujía si está sucia o dañada.
Sistema de combustible:
- Drain the fuel tank and run the engine until it stops before long-term storage (over 30 days).
- Alternatively, use a fuel stabilizer to prevent fuel degradation.
Limpieza general:
- Mantenga el exterior del soplador limpio y libre de residuos.
- Ensure cooling fins are clear to prevent overheating.
7. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| El motor no arranca | Sin combustible, procedimiento de arranque incorrecto, bujía sucia, filtro de combustible obstruido. | Check fuel level and mixture. Follow starting instructions carefully. Clean/replace spark plug. Replace fuel filter. |
| El motor funciona mal/le falta potencia | Dirty air filter, incorrect fuel mixture, old fuel, carburetor issues. | Clean/replace air filter. Ensure correct 40:1 fuel mixture. Use fresh fuel. Consult service center for carburetor adjustment. |
| Humo excesivo | Too much oil in fuel mixture, incorrect oil type. | Ensure correct 40:1 fuel mixture. Use recommended 2-cycle oil. |
8. Especificaciones
| Característica | Detalle |
|---|---|
| Marca | Troy-Bilt |
| Nombre del modelo | TB400 |
| Número de modelo | 41BR25BL766 |
| Tipo de motor | 25cc 2-Cycle Gas Engine |
| Velocidad del aire | Hasta 180 MPH |
| Volumen de aire | Hasta 400 CFM |
| Fuente de poder | Accionado a gas |
| Factor de forma | Portátil |
| Peso del artículo | 12.2 libras |
| Dimensiones del producto | 15.38" de largo x 10" de ancho x 14.75" de alto |
| Relación de combustible | 40:1 (Gasolina:Aceite de 2 tiempos) |
| Característica especial | Lightweight, Variable Speed Throttle, SpringAssist Technology |
9. Garantía y soporte
For warranty information, technical support, or to locate an authorized service center, please refer to the official Troy-Bilt website or contact their customer service. Contact details are typically provided in the packaging or on the product itself.
- Fabricante: Troy-Bilt
- Servicio al Cliente (EE.UU.): 1-800-828-5500
- Servicio al cliente (Canadá): 1-800-668-1238
Es posible que haya planes de protección adicionales disponibles para su compra en minoristas autorizados.