C15 and C18 Tier 4 Final Engines Caterpillar


ARD Nozzle Heater (Current) - Test

Usage:

826K 232

  • 确认发动机已停机。


    图 1g03099577
    (1) ARD 燃烧盖
    (2) ARD 喷嘴加热器导线


    图 2g03099598
    测量电流
    (1) ARD 燃烧盖
    (2) ARD 喷嘴加热器导线
    (3) 夹钳式电流表

  • 225-8266 电流表工具总成 (3) 上的夹钳连接在 ARD 燃烧盖 (1) 上的 ARD 喷嘴加热器导线 (2) 周围。 确保电流表的钳口远离电气接头的金属部分。 有关电流表的信息,请参阅系统操作/测试和调整, "充电系统 - 测试"。

  • 建立 Caterpillar 电子技师和 ECM 之间的通信。 有关正确步骤,请参阅故障诊断与排除, "电子维修工具"。

  • 起动发动机。 启动 Cat ET 的 "Diagnostic Tests(诊断测试)"菜单下面的 "ARD Nozzle Heater Circuit Test(ARD 喷嘴加热器电路测试)"。 电路测试将运行 3 分钟,并且随身可以停止。

  • 观察电流表上的电流读数。

  • 停用电路测试。 停止发动机。 拆下夹钳式电流表。

  • 断开 Cat ET。
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