How to store a high voltage diesel generator properly?

Jun 26, 2026

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Sophia Davis
Sophia Davis
Sophia is a product manager at Jiangsu Kaichen. She oversees the entire product lifecycle of the generator sets, from concept to market launch. Her innovative thinking has led to the successful introduction of several new products.

Hey there! As a supplier of high voltage diesel generators, I often get asked about the proper way to store these powerful machines. It's not just about finding a random corner to park them; there are some crucial steps to ensure they're in tip - top shape when you need them. So, let's dive into how to store a high voltage diesel generator properly.

Pre - storage Inspection

Before you even think about storing your high voltage diesel generator, a thorough inspection is a must. Check the overall condition of the generator. Look for any signs of wear and tear on the body, especially around the electrical components. Inspect the fuel system for leaks. A small fuel leak can not only be a fire hazard but can also damage the generator over time.

The coolant level is another important thing to check. Low coolant can cause the engine to overheat, which is a big no - no. Make sure the coolant is at the appropriate level and there are no signs of corrosion in the coolant reservoir.

Examine the battery as well. A dead battery can prevent the generator from starting when you need it. If the battery is old or not holding a charge, it might be a good idea to replace it before storage.

Cleaning the Generator

A clean generator is a happy generator. Start by removing any dirt, debris, or dust from the exterior. You can use a soft brush or a compressed air gun to get rid of the loose particles. Pay special attention to the air intake and exhaust areas. A clogged air intake can reduce the generator's efficiency, and a blocked exhaust can be dangerous.

For the interior, you might need to use a mild cleaning solution to wipe down the electrical components. But be careful not to get any liquid on the sensitive parts. If there are any oil or fuel stains, use a degreaser to clean them up.

Fuel Management

Fuel is a key factor when it comes to storing a high voltage diesel generator. First of all, you have two options: either drain the fuel completely or add a fuel stabilizer.

If you choose to drain the fuel, make sure you do it properly. Follow the manufacturer's instructions to empty the fuel tank and the fuel lines. This can prevent the fuel from deteriorating and causing problems during storage.

On the other hand, if you decide to use a fuel stabilizer, add it to the fuel tank according to the product's instructions. A good fuel stabilizer can keep the fuel fresh for a long time, usually up to a year. This way, you don't have to worry about draining and refilling the fuel when you need to use the generator again.

Lubrication

Proper lubrication is essential for the long - term health of your generator. Before storage, change the engine oil. Old oil can contain contaminants that can damage the engine over time. Use the recommended oil type for your generator.

You should also lubricate all the moving parts, such as the bearings and the shafts. This helps to prevent rust and corrosion during storage. Apply a thin layer of lubricant to these parts, and make sure it's evenly distributed.

Electrical System Preservation

The electrical system of a high voltage diesel generator is very sensitive. To protect it during storage, disconnect the battery. This prevents any parasitic drain that could deplete the battery over time.

Cover the electrical connections with a protective coating or tape to prevent moisture and corrosion. You can also use a dehumidifier in the storage area to keep the humidity levels low. High humidity can cause electrical components to short - circuit or corrode.

Storage Location

Choosing the right storage location is crucial. The area should be dry, well - ventilated, and protected from the elements. A shed or a garage is a good option. Avoid storing the generator in an area that is prone to flooding or extreme temperature changes.

The storage area should also be secure. Make sure there are no potential hazards nearby, such as flammable materials. If possible, elevate the generator off the ground to prevent moisture from seeping in from the floor.

Regular Checks

Even though the generator is in storage, it's important to check on it regularly. Every few months, start the generator for a short period. This helps to keep the engine components lubricated and the electrical system functioning properly.

During these checks, also inspect the generator for any signs of damage or deterioration. Look for rust, leaks, or any other issues that might have developed during storage.

Benefits of Proper Storage

Proper storage of your high voltage diesel generator has several benefits. Firstly, it extends the lifespan of the generator. By taking care of it during storage, you can avoid costly repairs and replacements in the future.

Secondly, it ensures that the generator is ready to use when you need it. Whether it's for a power outage or a construction project, a well - stored generator will start up quickly and run smoothly.

Conclusion

Storing a high voltage diesel generator properly is not a difficult task, but it does require some attention to detail. By following these steps, you can keep your generator in excellent condition for years to come.

If you're in the market for a high voltage diesel generator, we've got you covered. We offer a wide range of options, including 11kv Diesel Generator, High Voltage Diesel Generator, and 6.6kv Diesel Genset.

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If you have any questions or are interested in purchasing a high voltage diesel generator, feel free to reach out to us. We're here to help you find the perfect generator for your needs and provide you with all the information you need for proper storage and maintenance.

References

  • Generator Manufacturer's Manuals
  • Industry Best Practices for Generator Storage
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