Emergency Stopping - Engines with Optional Air Shutoff Systems
某些发动机型号提供进气切断功能。 当检测到超速时，一个继电器启用进气切断系统，同时停止喷油。 通过启用一个电磁阀即可实现此功能，这个电磁阀能关闭进气系统中的风门来切断发动机的供气。
进气切断开关可以用于手动启用进气切断系统。 按下该开关会把一个二次脉冲送至进气切断继电器。 在启用进气切断开关之前变速箱必须处在空档位置。
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典型的空气切断系统 | |
启用进气切断系统后，必须手动使指示器复位至开启位置才能重新起动发动机。
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