Starting and Charging Systems Caterpillar


Starter Solenoid (Starter One) Test Description

Usage:

768C 02X


图 1g01285385

技术参数

该测试测量起动马达两端的电压降。 在测试点 (1) 和测试点 (2) 上测量压降。 测试点 (1) 为正极触点,而测试点 (2) 为负极触点。

电压降将导致起动电磁阀的指示灯点亮。 电压降必须大于 0.45 ± 0.15 伏。 灯点亮是了为说明有缺陷。 所有测试步骤中的故障均会指示。 "测试步骤 B,起动"是最常用的测试,用于识别故障。

该故障可能的原因如下:

  • 电磁阀常开触点

  • 带过高电压降的电磁阀常闭触点

其他回路的信息

测试点 4 和起动马达电磁阀之间开路的导线表明电磁阀故障。 有关电路的更多信息,请参阅正在维护机器的完整系统电路图。

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