论文部分内容阅读
一、不注意润滑道和滤清装置的清洁,只注意润滑油数量而不注意润滑油质量。油道和滤网阻塞会导致油压受损,甚至无油压出,造成运动的零部件无法润滑而磨损、损坏。变质的机油润滑效果差,同样会造成机件磨损,也是机器过热的原因之一。二、不给机油泵排空气。要检查或调整后,如不给机油泵排空气会造成机油泵不泵油或泵油压力减少。三、不注意检查气门弹簧的弹性、自由长度、安装方向;不注意检查气门的密封状况、气门导杆与导管的间隙。气门弹簧弹性减弱、自由长度减小会造成气门关闭不严和关闭滞后而影响发动机功率,安装方向错误会造成弹簧的共
First, do not pay attention to lubrication and filtration cleaning device, only pay attention to the number of lubricants without attention to the quality of lubricants. Clogged oil passages and strainers can cause oil pressure to be damaged, even without oil pressure, causing the moving parts to wear out and become damaged. Metamorphic oil lubrication is poor, the same will cause mechanical wear and tear, but also one of the reasons the machine overheated. Second, do not give the oil pump exhaust air. To check or adjust, if you do not give the air pump exhaust pump will cause the oil pump or pump oil pressure reduction. Third, do not pay attention to check the valve spring flexibility, free length, installation direction; do not pay attention to check the valve seal status, valve guide and catheter clearance. Valve spring flexibility weakened, the free length decreases will result in lax valve closure and closing hysteresis and affect the engine power, the installation of the wrong direction will result in a total of spring