3500B Generator Sets Caterpillar


Emergency Stopping

Usage:

3508 BGX


注意

紧急停机控制装置只用于紧急情况。 切勿把紧急停机装置或控制装置用于正常的停机过程。


确保发动机停机后,辅助发动机运行的外部系统的所有部件安全可靠。

紧急停机按钮

使用紧急停机功能会切断燃油。 如果发动机装备有空气切断阀,空气切断阀也将启动。 请参阅本节中的"空气关断阀(如有配备)"。 有关紧急停机按钮的操作信息,请参阅设备 OEM 提供的说明。


注意

在找到迫使发动机紧急停机的问题并予以纠正以前,不要起动发动机。


如果按下紧急停机按钮以关闭发动机,则有必要在重新起动发动机前重置紧急停机按钮。

如使用紧急停机按钮,重新起动发动机前必须使两个空气切断阀都复位。

重新起动发动机前必须断开并重新接通 ECM 的电源。

空气切断阀(如有配备)



图 1g00669239
早期机型
空气关断阀的回位按钮


图 2g01289322
近期型号
空气关断阀的回位六角手柄

当通往电磁阀的电源被中断时或安装在关断阀上的电磁阀被电子激活时,空气关断阀启动。 早期机型使用在轴上旋转的盘来切断到后冷器的进气。 近期机型使用在机构激活后滑动的盘来切断到后冷器的进气。 发动机因通往燃烧室的空气供给受到限制而停机。 空气切断阀将在以下情况下启动:

注: 用户可以提供开关以便激活空气关断阀。

  • 按下紧急停机按钮。

  • 空气切断阀启用。

  • 发生超速情况。

  • 电子控制模块断电。

发动机再次起动前,空气关断阀必须经手动复位。 为使空气关断阀回位,转动旋钮或六角手柄直到空气关断阀处在 "OPEN(开启)"位置。 确保两个空气切断装置都复位。

为了重新起动发动机,必须关闭再打开 ECM 的电源。 将蓄电池断路开关转至 OFF(断开)位置 3 秒钟。 将蓄电池断路开关转回至 ON(接通)位置。 现在可以重新起动发动机。

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