目前，农村中的一些拖拉机驾驶员对气门间隙的认识及其调整方法存在不少问题，致使柴油机不能正常工作，影响使用。下面介绍一些正确调整气门间隙的做法。（1）有的驾驶员不知道当一个气缸的活塞处于压缩行程上止点时，才可以调整这个缸的进、排气门间隙；或者知道如何调整却不 At present, some tractor drivers in rural areas on the valve clearance and adjustment methods there are many problems, resulting in diesel engine does not work, affecting the use. Here are some ways to properly adjust the valve clearance. (1) some drivers do not know when a cylinder piston compression stroke at the top dead center, it can adjust the cylinder inlet and exhaust valve clearance; or know how to adjust but not