通过分析主手柄档位升高时柴油机输出功率的上升规律，找出了ND5型机车柴油机4～5档位变化时增压器喷火原因之所在，并提出了有效的处理措施。 By analyzing the rising law of the output power of the diesel engine when the main handle gear is rising, the reason why the turbocharger is ignited when the 4 ~ 5 gear of the ND5 locomotive diesel engine is changed is found, and the effective treatment measures are put forward.