If the residual air in cylinder is impacted by abrupt clamp pressure the seal ring will be damaged due to the effect of dieseloil.
如果油缸内残留空气受急剧夹压时，那么，由于液压油的作用，有可能使密封圈烧损。
2
Experiments were carried out on a S1100A2 single cylinderdiesel engine, with three kind of oxygenated additive-ethanol, DMM, and DMC added in to diesel oil.
Through analysis on the causes of mechanical cylinder-knocking and fuel-oilcylinder-knocking of the diesel engine, this paper puts forward corresponding treating methods respectively.