Engine Starts but Stalls Immediately
- 燃料供给
- 电气接头或电源
- 发动机速度/正时传感器
- 点火系统
- 超载
确保燃料在稳定、充足的压力下供给。 确保燃料管路的尺寸是足够的。 检查燃料系统中是否有渗漏。
下列状况能引起发动机故障:
- 燃料压力低
- 燃料压力高
- 燃料质量差
确保燃料压力正确。 可能时,会见操作员,确定燃料质量是否故障。 试图确定燃料来源是否有变化。
检查燃料系统部件: 燃料滤清器, 气体压力调节器, 气体关断阀, 燃料计量阀 和 节气门作动器 确认系统部件正确工作。
必要时更换燃料滤清器。
- 检查电源的连接和接地。 检查从电源到接线箱的接线线束和接头。 检查接线箱的接头。 请参阅故障诊断和排除, "检查电气接头"。
- 检查是否存在指示"系统电压间断/反常"的168-02诊断代码。 如果这个诊断代码被记录,进行故障诊断和排除, "电源"。
确保转速/正时传感器安装正确。 请参阅故障诊断和排除, "发动机转速/正时传感器"。
确保正时轮安装正确。
检查点火变压器的下列项目: 松动的连接, 湿气, 短路 和 开路 。 检查初级接线和次级电气连接。
确保安装正确的变压器和火花塞。
按照发动机操作和保养手册保养火花塞。
确保不超载。 降低负载。 必要时,分离被驱动设备,然后再测试发动机。
Caterpillar Information System:
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