How To Prime A Diesel Fuel Filter?

The reliability of mechanical equipment is directly related to the smooth progress of the project. In this huge mechanical system, the fuel filter plays a role in keeping the engine healthy. In this article, MyMROmarts will discuss fuel filters for construction machinery, with a special focus on how to properly prime a diesel fuel filter.

 

How To Prime Fuel Filter?

The fuel filter is not only a simple filter, but also the lifeline of the engine. The fuel filter is responsible for preventing other impurities from entering the fuel system. Allowing the engine to receive clean, high-quality fuel. A good fuel filter can effectively extend the life of your engine and other diesel engine parts. A good fuel filter can improve fuel efficiency and reduce maintenance costs.

 

When using a high-quality fuel filter, the correct filling process is particularly critical. First, put the construction machinery in a stable state and the engine has stopped running. This is because filling the fuel filter while the engine is running can cause oil to sputter.

 

1. Find the Location of the Fuel Filter

Next, open the machine's hood and locate the fuel filter. The fuel filter is usually mounted near the engine and is easily accessible. However, in practice, some filters are installed in relatively hidden locations. At this time, we need to refer to the manual of the mechanical equipment to find the location of the fuel filter.

 

2. Open the Filter Housing

Once you've located the engine fuel filter, open the filter housing using a specific tool. Before we open the case, we must ensure that proper safeguards are in place. Wear gloves and goggles, for example, to protect your skin and eyes from direct contact with oil.

 

3. Check Whether the Filter Seal Is Intact

Now, we come to the crucial step of priming the fuel filter. Before starting the filling, we need to check whether the filter's sealing ring is intact. The state of the sealing ring is directly related to whether oil leakage will occur during the filling process. If cracks are found in the sealing ring, be sure to replace it with a new one before filling the fuel filter.

 

Normally, it is recommended to use the same clean diesel fuel as the fuel required for mechanical equipment for filling. Ensure that the quality of the oil meets relevant standards and avoid using inferior oil. Before filling, the oil can be put into a clean container to facilitate more precise filling operations.

 

4. Apply Oil to the Surface of the New Filter Element

Before starting to prime, apply some oil to the surface of the new filter element. This helps improve sealing and reduces resistance when filling the fuel filter. Then, slowly pour the oil into the filter, taking care not to spill fuel. During the filling process, the filter can be shaken moderately to allow the oil to fully infiltrate the inside of the filter element. This step helps the entire filter element to be evenly moistened and improves the filtration effect.

 

5. Tighten the Filter Housing to Test the Fuel Filter

After priming is complete, double-check that the filter housing seal is still in the correct position. Then, use special tools to tighten the filter housing to prevent oil leakage. Finally, start the engine with the starter motor and let the mechanical equipment run for a few minutes to ensure that the oil in the fuel filter is fully circulated. Observe carefully for any abnormal sounds or oil leakage. If everything is normal, you can close the hood and complete the entire fuel filter filling process.

 

Overall, fuel filter filling is a delicate undertaking. The correct fuel filter filling process ensures smooth engine operation and improves work efficiency. Therefore, when performing fuel filter maintenance, be sure to follow the operating procedures carefully. If you find that the diesel fuel filter is damaged during the priming process, here are five of the best-selling fuel filters on our website for your reference.