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Air filter is abbreviated as air filter, which is mainly composed of shell and filter element. The filter type is mainly divided into wire mesh oil bath filter element and dry paper filter element. Its main function is to prevent suspended particles, dust, small sand and other impurities in the air. Enter the cylinder. The air filter is installed in front of the intake pipe to ensure that sufficient and clean air enters the cylinder.
The engine needs to suck in a large amount of air during operation. If the air does not pass through the filter, the dust suspended in the air is sucked into the diesel engine, which will accelerate the wear of the valves, valve seats, pistons, piston rings, and cylinders. Larger particles entering between the piston and the cylinder will cause serious "cylinder pull" phenomenon, which is especially serious in a dry and sandy working environment.
During regular maintenance, the wire mesh oil bath air filter can be reused by cleaning the dirt on the wire with a cleaning agent. The paper filter element must not be cleaned in oil, otherwise the paper filter element will become invalid and easily cause a speed accident. During maintenance, only use vibration method, soft brush removal method (to brush along the wrinkles) or compressed air blowback method to remove dust and dirt attached to the surface of the paper filter element. If the air filter element is damaged, it must be replaced in time. There are rubber seals between the two types of air filter element and the shell. Carefully check whether there is damage, and replace it in time if it is damaged.
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