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1故障现象柴油机正常状态下工作时,声音柔和稳定,由于某种原因燃烧室内会发生异常的噪声,即发生敲缸,敲缸的实质是活塞侧面敲击气缸壁。活塞敲缸是柴油机的恶性故障,多发生在柴油机严重磨损或大修后不久。常见的敲缸有以下几种类型:①冷起动后活塞敲缸异响严重,发出清脆而有节
1 Symptom When the diesel engine is working under normal conditions, the sound is soft and stable. Abnormal noise occurs in the combustion chamber for some reason, that is, knocking occurs. The essence of knocking is that the side of the piston knocks on the cylinder wall. Piston knock cylinder is a vicious failure of diesel engines, mostly in the diesel engine after serious wear or overhaul. Common Knocking cylinder has the following types: ① cold start piston knocking cylinder abnormal sound, crisp and issued a section