C27发动机高温报警故障分析及排除

Analysis and elimination of C27 engine high temperature alarm fault

神华北电胜利能源有限公司使用的D10T履带式推土机在工作过程中C27发动机出现高温报警故障,在根据设备的液压风扇驱动系统原理图进行逐一排查,最终找到了故障点是风扇泵压力控制电磁阀不灵敏造成的。

The D10 T track-type tractor C27 ACERT engine emerges high temperature fault alarm in the process of work.According to the principle diagram analysis of the equipment hydraulic fan drive system, the fault point is caused by the fan pump pressure control solenoid lock.