气门间隙的调整是柴油机修理中的一项重要内容。当活塞在压缩行程上止点位置时,气门杆尾端与摇臂头之间的间隙叫气门间隙。气门间隙的大小直接影响着柴油机配气机构的正常工作。气门间隙过大,会使气门打开的时间变晚,而关闭的时间变早,造成进气不足,排气不良,零件之间的相互撞击加剧而加速磨损;气门间隙过小,会使气门关闭不严而漏气,影响气缸的压力,气门易被烧坏。柴油机在使用一段时间后,由于零部件的磨损,气门间隙的大小会发 Valve clearance adjustment is an important part of diesel engine repair. When the piston in the compression stroke at the top dead center position, the end of the valve stem and the gap between the rocker head called the valve clearance. The size of the valve clearance directly affects the normal operation of the diesel engine valve train. Valve gap is too large, will make the valve open time becomes late, and the closing time becomes earlier, resulting in insufficient intake, exhaust poor, accelerated collision between parts and accelerated wear and tear; valve clearance is too small, the valve will be closed Strict and leaky, affecting the pressure on the cylinder, the valve easily be burned. Diesel engine in use for some time, due to wear and tear components, the size of the valve clearance will be made