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Cabin Air Filter For Hitachi ZX60-5A 70-5A OEM size with high quality

The use of paper core air filters in automobile engines is becoming more and more common. However, some drivers still have prejudice against paper core air filters, thinking that the filtering effect of paper core air filters is not good. In fact, the paper core air filter has many advantages compared with the oil bath air filter:

1. The filtration efficiency is as high as 99.5% (the oil bath air filter is 98%), and the dust transmission rate is only 0.1%-0.3%;

2. The structure is compact and can be installed in any direction, not limited by the layout of vehicle parts;

3. It does not consume oil during maintenance, and can also save a lot of cotton yarn, felt and metal materials;

4. Small quality and low cost.

It is critical to use a good paper core when sealing the air filter so that unfiltered air is not bypassed into the engine cylinders.

1. During installation, whether flange, rubber pipe or direct connection is used between the air filter and the engine intake pipe, they must be tight and reliable to prevent air leakage. Rubber gaskets must be installed on both ends of the filter element; The wing nut of the cover should not be over-tightened to avoid crushing the paper filter element.

2. During maintenance, the paper filter element must not be cleaned in oil, otherwise the paper filter element will fail, and it is easy to cause a speeding accident. During maintenance, only use the vibration method, the soft brush brushing method (to brush along the wrinkle) or the compressed air blowback method to remove the dust and dirt attached to the surface of the paper filter element. For the coarse filter part, the dust in the dust collecting part, the blades and the cyclone pipe should be removed in time. Even if it can be carefully maintained every time, the paper filter element cannot fully restore its original performance, and its air intake resistance will increase. Therefore, when the paper filter element needs to be maintained for the fourth time, it should be replaced with a new filter element. If the paper filter element is cracked, perforated, or the filter paper and end cap are degummed, they should be replaced immediately.

3. When using, it is necessary to strictly prevent the core air filter from being wet by rain, because once the paper core absorbs a lot of water, it will greatly increase the air intake resistance and shorten the life. In addition, the paper core air filter must not come into contact with oil and fire.

Some vehicle engines are equipped with a cyclone air filter. The plastic cover at the end of the paper filter element is a shroud. The blades on the cover make the air rotate, and 80% of the dust is separated under the action of centrifugal force and collected in the dust collector. Among them, the dust reaching the paper filter element is 20% of the inhaled dust, and the total filtration efficiency is about 99.7%. Therefore, when maintaining the cyclone air filter, be careful not to miss the nutrient shroud on the filter element.

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