784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System Caterpillar


Prelubrication Function

Usage:

785C 1HW

润滑脂

此功能由 VIMS 控制。 在 VIMS 发送命令时动力传动系 ECM 打开电磁阀。 参数由 VIMS 监控,命令通过卡特彼勒数据链路发送。 电磁阀会一直打开,直到 VIMS 发送关闭命令。

此功能可通过 VIMS 键盘模块设置。 有关详情,请参阅维修手册, SENR6059。

发动机机油

此功能由发动机 ECM 控制。 在变速箱/底盘 ECM 发送命令时发动机 ECM 打开电磁阀。 参数由动力传动系 ECM 监控,命令通过卡特彼勒数据链路发送。 电磁阀会一直打开,直到发动机 ECM 显示以下一种情况:

  • 预润滑功能完成。

  • 操作员将钥匙转到关闭位置。

  • 出现通信故障。

操作员必须使钥匙保持在START位置,直到发动机预润滑完成。 完成预润滑后,动力传动系 ECM 可向起动继电器通电。

操作员可在预润滑功能开启时将钥匙转到关闭位置,来超弛预润滑功能。 如果操作员立即将钥匙转到盘动位置,那么预润滑功能就不会起作用。 发动机会立即起动。 如果出现这种情况,一条预润滑超弛事件会记录在发动机 ECM 中。

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