Payload Control System (PCS) 2.X Caterpillar


Payload Electronic Control Module - Replace

Usage:

972G 1EW
更换模块前,应当确保需要更换。 该模块不太可能为故障根源。 务必检查模块上的电源。 工作中,发动机起动开关提供系统电压。 系统电压通过机器线束的触点 1 和触点 21 提供。

  1. 将发动机起动钥匙转到 OFF 位置。 将蓄电池断路开关转到断开位置。 从操纵手柄上断开机器线束。

  1. 确保更换件具有正确的零件号。

  1. 安装替代模块。

  1. 将机器线束与 ECM 相连。

  1. 将蓄电池断路开关转到接通位置。 将钥匙起动开关转到接通位置。

    1. 执行设置程序。

      参考请参阅有效载荷控制系统维修手册模块中的系统操作, "系统设置操作"部分。

    1. 标定系统。

      参考请参阅有效载荷控制系统维修手册模块中的系统操作, "标定"部分。

    1. 系统归零。

      参考请参阅有效载荷控制系统维修手册模块中的系统操作, "附件键功能"部分。

    1. 检查机器,以确保新模块正常工作。

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