Abstract:

Abstract: The article describes the failure phenomenon of 930E truck parking brake failure and finds the failure reasons including the working fluid contamination, steering brake pump damage, parking brake solenoid valve failure or serious wear through analyzing the structure and working principle of the components of the parking brake system. The author puts forward the related solutions of failure mentioned above.

摘要：

摘　要：主要描述了930E卡车停车制动失效这一故障现象，通过对停车制动系统各组成部件结构及其工作原理进行深入分析，发现导致该故障发生的主要原因有工作液体污染、转向制动泵损坏、停车制动电磁阀故障、停车制动摩擦片损坏或磨损严重，并寻求故障解决方法。