1. Introdución e finalview
This manual provides essential information for the safe and efficient operation, setup, and maintenance of your AL-KO 3500-C Generator. Please read this manual thoroughly before operating the generator to ensure proper use and to prevent injury or damage.
The AL-KO 3500-C is a versatile and powerful gasoline generator designed to provide reliable electrical power in various settings, including construction sites, agricultural applications, outdoor events, camping, and as an emergency power source. Its robust design and efficient 4-stroke engine ensure consistent performance.

Image 1.1: The AL-KO 3500-C Generator, a red and black portable power unit with a protective frame.
2. Instrucións de seguridade
Operating a generator requires adherence to strict safety protocols to prevent accidents, injury, or property damage. Always prioritize safety.
2.1 Seguridade xeral
- Risco de monóxido de carbono: Never operate the generator indoors or in enclosed spaces. Generators produce carbon monoxide, an odorless, colorless, and deadly gas. Ensure adequate ventilation at all times.
- 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 away from heat sources.
- Risco de descarga eléctrica: Do not operate the generator in wet conditions. Ensure all electrical connections are secure and dry. Use only grounded extension cords and appliances.
- Superficies quentes: The generator engine and muffler become very hot during operation and remain hot for some time after shutdown. Avoid contact to prevent burns.
- Nenos e animais: Keep children and pets away from the generator during operation and while it is cooling down.
2.2 Product-Specific Safety Features
- The generator is equipped with an automatic shutdown mechanism in case of low oil levels, protecting the engine from damage.
- It features protection against the ingress of water and foreign objects, enhancing operational safety.
3. Características do produto
The AL-KO 3500-C Generator is engineered with features designed for reliability and user convenience:
- Fonte de enerxía versátil: Suitable for a wide range of applications including construction, agriculture, garden, leisure, and lighting.
- Vol. AutomáticotagRegulamento (AVR): Ensures a stable power output, making it suitable for sensitive equipment and appliances with high starting currents.
- Protección do motor: Features automatic shutdown in case of low oil and protection against water and foreign object ingress for enhanced operational safety.
- Rendemento consistente: Designed to deliver constant power output even during prolonged periods of operation.
- Construción duradeira: High load capacity winding due to the use of high-conductivity copper wire, ensuring longevity and efficiency.
4. Configuración
Before starting your AL-KO 3500-C Generator, follow these setup steps carefully:
4.1 Desembalaxe e inspección
- Remove the generator from its packaging and inspect for any shipping damage. Report any damage to your dealer immediately.
- Asegúrese de que estean presentes todos os compoñentes listados na lista de embalaxe.
4.2 Colocación
- Place the generator on a firm, level surface.
- Ensure the generator is in a well-ventilated outdoor area, far from windows, doors, and vents to prevent carbon monoxide accumulation.
- Maintain at least 1 meter (3 feet) of clearance around the generator for proper airflow.
4.3 Combustible e aceite
- Engadir aceite de motor: The generator is shipped without engine oil. Fill the crankcase with the recommended oil type (refer to the specifications section or engine label) to the appropriate level using the dipstick. Do not overfill.
- Engadir combustible: Fill the fuel tank with fresh, unleaded gasoline. Do not use old or contaminated fuel. Do not overfill the tank; leave space for fuel expansion. Ensure the fuel cap is securely tightened.
5. Instrucións de funcionamento
Follow these steps to safely start and operate your AL-KO 3500-C Generator:
5.1 Lista de verificación previa ao inicio
- Comprobar o nivel de aceite do motor.
- Comprobar o nivel de combustible.
- Ensure all connected appliances are unplugged from the generator outlets.
- Verify the generator is on a level surface in a well-ventilated outdoor area.
5.2 Arranque do motor
- Xire a chave do motor á posición "ON".
- Abra a chave de combustible.
- Mova a panca do estrangulador á posición "ESTRANGUADOR" (se o motor está frío).
- Pull the recoil starter handle slowly until resistance is felt, then pull firmly and quickly. Repeat if necessary.
- Unha vez que o motor arranque, mova gradualmente a panca do estrangulador á posición "RUN".
- Deixe que o motor se quente uns minutos antes de conectar as cargas eléctricas.
5.3 Conexión de cargas eléctricas
- Plug in the appliances one by one, starting with the highest wattage dispositivo.
- Do not overload the generator. Refer to the generator's maximum power output in the specifications.
- Monitor the indicator lights on the control panel.

Image 5.1: Close-up of the AL-KO 3500-C Generator control panel, showing outlets, circuit breakers, and indicator lights.
5.4 Apagar o xerador
- Unplug all electrical appliances from the generator outlets.
- Deixe que o xerador funcione durante uns minutos sen carga para que arrefríe.
- Xire o interruptor do motor á posición "OFF".
- Pecha a chave de combustible.
6. Mantemento
Regular maintenance is crucial for the longevity and reliable operation of your AL-KO 3500-C Generator. Always perform maintenance with the engine off and cool.
6.1 Programa de mantemento
| Elemento | Antes de cada uso | Every 25 Hours / Monthly | Cada 100 horas / Anualmente |
|---|---|---|---|
| Aceite de motor | Comprobar o nivel | Cambiar | |
| Filtro de aire | Limpo | Substitúe | |
| Bujía | Inspeccionar / Limpar | Substitúe | |
| Filtro de combustible | Inspeccionar/substituír |
6.2 Almacenamento
- For long-term storage (over 30 days), drain the fuel tank and carburetor to prevent fuel degradation.
- Store the generator in a clean, dry, and well-ventilated area, away from direct sunlight and extreme temperatures.
- Cover the generator to protect it from dust and moisture.
7 Solución de problemas
This section addresses common issues you might encounter with your AL-KO 3500-C Generator.
7.1 O motor non arranca
- Sen combustible: Check fuel level and add fresh gasoline if needed.
- Interruptor do motor en posición OFF: Asegúrese de que o interruptor do motor estea na posición "ON".
- Fuel Valve Closed: Abra a chave de combustible.
- Posición de estrangulamento: Adjust the choke lever correctly for a cold or warm engine.
- Nivel baixo de aceite: The generator has an automatic low oil shutdown. Check the oil level and add oil if necessary.
- Buxía: Inspect the spark plug. Clean or replace if it is fouled or damaged.
7.2 Sen saída de potencia
- Disyuntor disparado: Check the AC circuit breakers on the control panel and reset them if tripped.
- Sobrecarga: Reduce the total load connected to the generator.
- Conexións soltas: Ensure all power cords are securely plugged into the generator outlets.
If you encounter issues not covered here or if troubleshooting steps do not resolve the problem, contact AL-KO customer support or a qualified service technician.
8. Especificacións
Technical specifications for the AL-KO 3500-C Generator (Model Number: 130931):
| Especificación | Valor |
|---|---|
| Fabricante | AL-KO |
| Dimensións do produto (L x W x H) | 59 x 43 x 48 cm |
| Número de modelo do artigo | 130931 |
| Cor | Vermello |
| Tipo de combustible | Gasolina |
| Voltage | 230 voltios |
| Power Output (Rated) | 2.8 kW |
| Potencia de saída (máx.) | 3.1 kW |
| Tipo de motor | 4 tempos |
| Cilindrada do motor | 212 cm³ |
| Capacidade do depósito de combustible | 15 litros |
| Máx. Tempo de funcionamento | 10.5 horas |
| Max. Sound Power Level | 96 dB (A) |
| Peso do elemento | 50 quilogramos |
| Compoñentes incluídos | Unidade xeradora |
| Batería(s) incluída(s) | Non |
| Batería(s) necesaria(s) | Non |
| Dispoñibilidade de Recambios | Información non dispoñible |
9. Garantía e soporte
AL-KO stands by the quality of its products.
9.1 Extensión da garantía
You can extend your product warranty by an additional 2 years (total 2+2 years) by registering your AL-KO 3500-C Generator online. Visit www.alko-garden.de for online registration and more details on warranty terms.

Image 9.1: AL-KO 2+2 Years Warranty Extension badge, indicating extended warranty upon online registration.
9.2 Atención ao cliente
For technical assistance, spare parts, or warranty claims, please contact AL-KO customer support through their official website or your local dealer. Always have your model number (3500-C) and item model number (130931) ready when contacting support.