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1台CX360型挖掘机出现挖掘和行走均无力现象,动臂带载时容易造成柴油机熄火,熄火后偶尔显示故障代码为0087。查阅故障代码表,0087的故障码表示喷油泵无泵送压力,其原因可能有:燃油系统滤芯和管路等堵塞,ECM至共轨油槽压力传感器线路短路或断路,共轨油槽压力传感器有故障,喷油器和输油泵有故障。而动臂带载熄火的原因是柴油机无法提供机器运行所需的动力。根据分析的思路,按照从简到繁的检查顺序,对故障进行排查。
1 CX360 excavator excavation and walking are weak phenomenon, the boom is easy to cause the diesel engine with load, flame out after the occasional fault code 0087. Refer to the fault code table, 0087 fault code indicates that the pump without pumping pressure, the reasons may include: fuel system filters and piping and other plug, ECM to common rail tank pressure sensor circuit short circuit or open circuit, common rail tank pressure sensor fault The injector and delivery pump are faulty. The reason for the boom stalling is that the diesel engine can not provide the power needed to operate the machine. According to the analysis of ideas, according to the order from simple to complex inspection of the fault.