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发动机出现活塞销异响的故障,会损坏活塞销衬套,增大连杆轴瓦和曲轴连杆轴颈的磨损,严重时会拉断活塞销或连杆,打坏气缸体,造成恶性机械事故。1故障现象与判断1)发动机怠速或中速运转时,用听诊棒在发动机上部可听到尖锐、清脆、有节奏的“嗒、嗒”敲击声,就像两个钢球相撞发出?
The engine piston ring abnormal sound failure, will damage the piston pin bushings, increase connecting rod bearing and crankshaft connecting rod journal wear, in severe cases will pull off the piston pin or connecting rod, damage the cylinder block, resulting in a vicious mechanical accident . 1 Symptoms and judgments 1) engine idling or running at medium speed, with auscultation stick in the engine can be heard in the upper part of the sharp, crisp, rhythmic “da, da” percussion sound, as if the two ball collision?