EMCPII+ for Gas Engines Caterpillar


Relay Module - Replace

Usage:

G3306 07Y



图 1g00583564

继电器模块的更换

GSC+后视图

(1) 继电器模块

(2) 螺钉

(3) 胶带

(4) 干燥剂包

(5) O 形密封圈

(6) 电缆接头

继电器模块 (1) 包含继电器、保险丝和用于操纵EMCP II+系统外置设备的端子。 继电器模块 (1) 为GSC+的一个组件。

参考专用说明书, SEHS9710, "继电器模块更换"。

更换步骤

  1. 从蓄电池上拆卸阳极导线。

  1. 确保继电器模块 (1) 端子板处的所有导线都标有各自的终结点。 在重新组装过程中,这些导线必须重新连接到正确的电极上。 从继电器模块 (1) 的端子和接线柱上拆下所有导线。

  1. 拆卸将继电器模块 (1) 紧固到GSC+上的十颗螺钉 (2) 。

  1. 注意 O 形密封圈 (5) 的存在。 GSC+中的部分分离继电器模块 (1) 。 小心从继电器模块 (1) 上断开电缆夹具和电缆接头 (6) 。

    在原装继电器模块和更换的继电器模块的 PC 板上,检查小跨接线板(靠近排线)是否相同。 参见测试与调整, "交流电压范围调整"。

  1. 用更换的继电器模块中带有的新干燥剂袋和胶带更换干燥剂袋 (4) 。 当拆下后,用同样的方式附上新的干燥剂包。

    注: 在马上将干燥剂包装入GSC+之前,不要从保护容器中拿出新干燥剂包。 安装新换的继电器模块大约需要 20 分钟。 较长时间会导致干燥剂包吸水饱和,特别是在潮湿环境中。

  1. 在继电器模块 (1) 的槽中安装新的 O 形密封圈 (5) 。 确保 O 形密封圈 (5) 正确座入。 对准并重新连接电缆接头 (6) 到继电器模块 (1) 。 安装电线夹箍。

  1. 将继电器模块 (1) 放在GSC+上。 检查 O 形圈 (5) 是否移位。 对准继电器模块 (1) 和GSC+的螺钉孔。 安装并拧紧 10 颗螺钉 (2) 至扭矩为1.70 ± 0.25 N·m (15 ± 2 lb in)。

  1. 重新连接已经拆下的所有连接到继电器模块接线端子上的导线。 将阳极导线重新连接到蓄电池。 若有必要,参见测试与调整, "示意图和线路图"中的发电机组线路图。

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