Starting and Charging Systems Caterpillar


Test Step C, Start Aid

Usage:

768C 02X
注: 如果机器未在仪表板上配备起动辅助开关,则没有必要执行本测试。 如果机器的 Caterpillar 3500 发动机配备自动乙醚喷射系统,则没有必要执行本测试。 执行系统操作, "测试步骤 D,高怠速"。

如果机器的仪表板上配备有一个起动辅助开关,请参阅以下步骤。 指示灯和测试步骤确认为测试步骤 1,直到推动起动辅助开关。 推动起动辅助开关后,通过测量电压降执行以下检查:

  1. 分析仪检查冷却液开关是否关闭。 分析仪还检查触点两端是否存在过高电压降。

  2. 分析仪检查起动辅助开关是否关闭。 分析仪还检查起动辅助电磁阀的触点两端是否存在过高电压降。

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