发动机起动时超温是一种较为特殊的故障现象。以两起典型发动机起动时超温故障为案例,分析其超温的原因,给出发动机起动时发生超温故障时的处置方法,并提出外场维护工作的几点建议。 Engine over-temperature is a more special phenomenon. Taking two typical engine start-up overtemperature faults as examples, the causes of overtemperature were analyzed, and the treatment methods when the engine overheated occurred during engine start-up were given. Some suggestions were put forward for field maintenance.