Controller - Replace
在更换 ECM 之前，确保更换是绝对必要的操作。 控制器通常不会成为诊断代码的产生根源。 务必检查控制器和监视器是否通电。 接头 1 接头 1 处要求蓄电池电压。 控制器线束接头的触点 2 需要接地。
更换控制器时，需要调整或标定。 请参阅测试和调整, "比例减压阀 - 标定"和测试和调整, "调速器执行 - 标定"。
- 将断路开关和钥匙开关转到 OFF（断开）位置。
- 将机器线束从控制器上断开。
- 拆下控制器。
- 确认控制器更换具有正确的零件号。
- 安装新控制器。
- 将机器线束连接到控制器上。
- 将断路开关和钥匙开关转到 ON（接通）位置。
- 确认控制器正常工作。
- 标定电子调速器。 请参阅测试和调整, "调速器执行器- 标定"。
- 标定比例减压阀。 请参阅测试和调整, "比例减压阀 - 标定"。
Caterpillar Information System:
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