气门粘连的危害气门杆“发胖”或污染物堆积在气门杆与气门导套之间,导致气门卡滞的故障,称之为气门粘连。气门粘连具有以下严重的危害。(1)改变气门与气门导套之间的间隙。(2)堵塞流经气门与气门导套间的滑油通道。(3)阻滞气门运动,造成气门打开、关闭延时,燃烧室燃烧的环境恶 Valve adhesion hazards Valve stem “fat” or pollutant accumulation in the valve stem and valve guide sleeve between the leading to the valve stuck, called valve adhesion. Valve adhesion has the following serious hazards. (1) Change the gap between the valve and the valve guide. (2) block the oil passage between the valve and the valve guide sleeve. (3) block valve movement, resulting in valve open, turn off delay, combustion chamber combustion environment evil