Introdución
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Generac GP3500iO Open Frame Portable Inverter Generator. Please read this manual thoroughly before operating the generator to ensure proper use and to prevent injury or damage.

Figura 1: Fronte view of the Generac GP3500iO Portable Inverter Generator, showcasing its control panel and robust frame.
Información importante de seguridade
Always follow safety precautions when operating the generator. Failure to do so can result in serious injury or death.
- Risco de monóxido de carbono: Generators produce carbon monoxide, an odorless, colorless, and poisonous gas. Operate the generator outdoors only, far away from windows, doors, and vents. Never operate indoors or in enclosed spaces.
- Risco de descarga eléctrica: Do not operate the generator in wet conditions. Ensure all connections are dry and secure. Never connect the generator directly to your home's electrical system without a transfer switch installed by a qualified electrician.
- Risco de incendio: Gasoline is highly flammable. Refuel in a well-ventilated area with the engine off and cool. Do not smoke or allow open flames near the generator. Store fuel in approved containers.
- Superficies quentes: The generator's engine and muffler become hot during operation. Avoid contact with hot surfaces to prevent burns. Allow the generator to cool before handling or storing.
- Pezas móbiles: Manteña as mans, os pés e a roupa lonxe das pezas móbiles.
- Proposición 65 Advertencia: Este produto pode expoñelo a produtos químicos, como o monóxido de carbono e o benceno, que o Estado de California sabe que causan cancro e defectos de nacemento ou outros danos reprodutivos. Para máis información vai a www.P65Warnings.ca.gov.
Compoñentes clave
Familiarize yourself with the main components of your Generac GP3500iO generator:
- Panel de control: Features the PowerDial (START/RUN/STOP), outlets, circuit breakers, and indicator lights.
- Depósito de combustible: Located on top, for gasoline.
- Motor: The power source of the generator.
- Arrancador de retroceso: Úsase para arrancar o motor manualmente.
- Marco: Durable open frame design for protection and portability.
- Tomas USB: For charging sensitive electronic devices.

Figura 2: Lateral view of the Generac GP3500iO, highlighting its compact design and sturdy frame.
Configuración
Before first use, or after extended storage, proper setup is crucial:
- Engadir aceite de motor: Locate the oil fill cap/dipstick. Using the provided oil funnel and engine oil, carefully add the correct amount of oil as specified in the owner's manual. Do not overfill.
- Engadir combustible: Ensure the generator is on a level surface. Unscrew the fuel cap and fill the tank with fresh, unleaded gasoline. Do not fill above the fill line. Securely replace the fuel cap.
- Posicionamento: Place the generator on a firm, level surface outdoors, at least 20 feet away from any buildings, windows, or vents. Ensure adequate clearance around the generator for proper ventilation.

Figure 3: The lightweight design of the GP3500iO allows for easy portability and placement during setup.
Instrucións de funcionamento
Follow these steps to start and operate your Generac GP3500iO:
- PowerDial: Turn the PowerDial to the "CHOKE" position (if the engine is cold).
- Arranque o motor: Tire firmemente da manivela do arrancador de retroceso ata que o motor arranque.
- Run Position: Once the engine starts and runs smoothly, slowly turn the PowerDial to the "RUN" position.
- Conectar dispositivos: Plug in your electrical devices to the appropriate outlets. Ensure the total wattage does not exceed the generator's running wattage.
- Modo económico: For lighter loads, switch on the Economy Mode to reduce engine speed, save fuel, and lower noise levels.
- Apagar: To turn off the generator, disconnect all electrical loads, then turn the PowerDial to the "STOP" position.
Video 1: Official product video demonstrating the features and portability of the Generac GP3500iO Inverter Generator, including its use at a job site and for charging sensitive electronics.

Figure 4: The GP3500iO in operation at a construction site, providing reliable power for various tools.

Figure 5: The generator providing clean, stable power for sensitive electronics in a recreational setting.
Mantemento
Regular maintenance ensures optimal performance and longevity of your generator. Always refer to the full owner's manual for detailed maintenance schedules and procedures.
- Comprobar o nivel de aceite: Before each use, check the engine oil level and add if necessary.
- Cambiar aceite: Cambie o aceite do motor despois das primeiras 20 horas de funcionamento e, a continuación, cada 50 horas ou anualmente, o que ocorra primeiro.
- Filtro de aire limpo: Inspeccione e limpe o filtro de aire regularmente. Substitúao se está danado.
- Buxía: Inspect the spark plug annually and replace if worn.
- Sistema de combustible: Use a fuel stabilizer if storing the generator for more than 30 days to prevent fuel degradation.
Resolución de problemas
Aquí tes solucións para problemas comúns cos que podes atoparte:
| Problema | Causa posible | Solución |
|---|---|---|
| O motor non arrancará | No fuel, low oil, choke not set, old fuel, spark plug issue. | Add fresh fuel, add oil, set choke, drain old fuel and refill, check/replace spark plug. |
| Sen saída de enerxía | Circuit breaker tripped, overload, economy mode engaged with high load. | Reset circuit breaker, reduce load, disengage economy mode for higher loads. |
| O motor funciona áspero | Combustible rancio, filtro de aire sucio, buxía sucia. | Drain and refill with fresh fuel, clean/replace air filter, clean/replace spark plug. |
If issues persist, consult a qualified service technician or contact Generac customer support.
Especificacións
| Característica | Detalle |
|---|---|
| Marca | Xerais |
| Nome do modelo | GP3500iO |
| Número de modelo do artigo | 7128 |
| Comezando Wattage | 3500 vatios |
| Correndo Wattage | 3000 vatios |
| Tipo de combustible | Gasolina |
| Tipo de motor | 4 Trazo |
| Cilindrada do motor | 212 centímetros cúbicos |
| Volume do tanque | 2.37 litros |
| Tempo de execución | 11 horas (ao 25 % de carga) |
| Peso do elemento | 74.3 libras |
| Dimensións do produto (L x W x H) | 19.7" x 16.5" x 16.4" |
| Voltage | 120 voltios |
| Frecuencia | 60 Hz |
| Total de tomas de corrente | 4 (various types including USB) |
| Características especiais | Portable, Super Quiet, Low Oil Shutdown, Hour Meter, POWERRUSH Technology |

Figure 6: Detailed dimensions of the Generac GP3500iO for planning storage and transport.
Garantía e Soporte
For specific warranty details, please refer to the warranty card included with your product or visit the official Generac website. Generac provides customer support for product inquiries, technical assistance, and service needs.
A miúdo podes atopar recursos de asistencia, preguntas frecuentes e información de contacto na páxina web do fabricante website or through authorized service centers.
For additional information or to purchase accessories, visit the Generac Store on Amazon.





