Howard A7 heavy truck cab assembly Ji'nan Howard A7 cab assembly

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HOWO cab cylinder sleeve worn due to different causes and treatment of the position of the piston, the working conditions are different, the wear parts of cylinder liner wear is different. The first line of the piston ring and cylinder wall contact part of the most serious, from the top down, a significant reduction in the amount of wear.
(1). Especially the air cleaner filter fault rupture, unfiltered air into the cylinder. The short circuit in the air of dust and impurities into the cylinder, resulting in increased wear of cylinder liner (.