由发动机故障引起的液压操作失灵有１台东方红－６０型推土机在作业中，出现了这样的故障：操纵液压分配器滑阀手柄时，无论提升、下降、压降或浮动，发动机都发出“噼噼啪啪”的响声，转速急剧下降，几乎熄火，排烟也不正常；然而若不动手柄（处于中立位置），发动机转速... Failure of the hydraulic operation caused by the engine failure 1 Dongfanghong-60 bulldozers in operation, such a failure occurred: Manipulate the hydraulic distributor spool valve handle, regardless of ascension, descent, pressure drop or float, the engine issued a “噼 噼 啪啪 ”the sound, a sharp decline in speed, almost flameout, smoke is not normal; however, if not handle (in a neutral position), the engine speed ...