3512 and 3516 EUI Engines for Caterpillar Built Machines Caterpillar


Grounding Practices

Usage:

793B 1HL
为了确保机器的性能和可靠性,必须使机器系统和发动机电气系统正确接地。 接地不当会造成电路不受控制。 电路也会不可靠。

不受控制的发动机电路会对主轴承、曲轴轴承轴颈表面和铝质部件造成损坏。

不受控制的电路还可能会引起电噪。 这种干扰可能会降低机器和无线电设备的性能。

必须使用与蓄电池直接相连的电路,以确保机器系统、发动机电气系统以及发动机至机架的接地母线正常工作。

接地导线和接地母线应在接地螺柱处相接。 接地螺柱应仅供接地之用。 每隔 250 小时检查一次所有发动机接地端。 所有接地端必须紧固且无腐蚀现象。


注意

起动发动机时,请遵循操作和保养手册, "发动机起动"中的说明,以正确起动发动机。

本发动机配备了 24 伏起动系统。 起动时只能使用同等电压。


发动机有几个电子输入零部件。 这些零部件需要工作电压。

与以往许多电子系统不同的是,本发动机可承受常见的外部电噪源的干扰。 但是,机电式警报器会引起供电中断。 本发动机的电子控制模块(ECM)由两路电源供电。 一路电源直接来自蓄电池,中间经过一个电路断路器。 另一路电源通过钥匙开关和另一个电路断路器供应。 使用主电源的断路开关可切断电源。 此开关位于蓄电池箱的旁边。

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