Test Step D, High Idle
指示灯和测试步骤与 "测试设置 A,连接"相同。 有两种例外情况。 例外情况如下。
- 分析仪检查交流发电机的蓄电池电压。 电压应在充电极限内。
注: 有几次蓄电池需要两分钟以上才能充电到可接受的范围内。 对机器进行跨接起动时便会出现这种情况。
- 经测试,交流发电机状况良好。 接通所有电气载荷。 这将使分析仪测试主继电器触点和开路器触点两端是否存在过大电压降。
测试交流发电机开路器。 测试开路器两端是否存在过大电压降。 带有故障开路器的交流发电机可导致过大的电压降。
注: 过高的交流发电机输出电压将完全切断分析仪。 交流发电机的指示灯将点亮。 该灯接着就将熄灭。 分析仪将随后关闭。 交流发电机的输出高于 30 伏。 交流发电机的高输出将分析仪置于安全切断(SHUTOFF)模式。
分析仪带有一个面板。
Caterpillar Information System:
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