空气滤清器的作用是防止发动机在吸气过程中,把空气中的大量的灰尘、砂粒等硬物吸入气缸内,以免造成气缸、活塞及活塞环等机件的加速磨损。在实际运输工作中,我们经常发现一些驾驶员或维修人员,对空气滤清器的保养不够重视,有的不按时清洗、添加机油或更换滤芯;有的安装不正 The role of the air filter is to prevent the engine inhaling process, the air in large amounts of dust, sand and other hard objects into the cylinder, so as to avoid the cylinder, piston and piston rings and other parts of the accelerated wear and tear. In the actual transport work, we often find that some drivers or maintenance personnel, pay insufficient attention to the maintenance of the air filter, and some do not clean on time, add oil or replace the filter; some installation is not correct