1.故障现象及危害 柴油机的“游车”也称“发喘”,是柴油机转速不稳的一种表现。其现象是:柴油机在怠速或中速运转时(油门停留在一定位置不动),呈现出周期性、有规律的忽快忽慢的变化,而且加减油门时转速变化不及时,发动机无力;同时发动机在工作中声音有节奏地时高时低,声音清晰可辨。 柴油机出现周期性“游车”,如不及时排除,会越来越严重,不但使柴油机工作不平稳,加剧机件磨 1. Symptoms and hazards of diesel “travel”, also known as “asthma” is a manifestation of unstable diesel engine speed. The phenomenon is: diesel engine running at idle or medium speed (the throttle stays in a certain position does not move), showing a cyclical, regular sudden and sudden changes, and acceleration and deceleration when the throttle change is not timely, the engine weakness; At the same time the engine at work rhythmically high and low when the sound is clear and legible. Diesel periodic “travel”, if not ruled out, will be more serious, not only the diesel engine is not stable, aggravate the mechanical grinding