773E, 773F, 775F, 777E, and 777F Off-Highway Truck Chassis Electronic Control System Caterpillar


Additional Functions

Usage:

773E DJS

辅助转向

辅助转向系统允许操作员在主转向的操作压力低时进行转向。 可以使用辅助转向系统测试,由位于驾驶室中的开关控制。

举倾操纵杆

举升系统功能用于控制车斗的升降。 操作员通过举升操纵杆作出请求。

机器锁定

该模式锁定机器功能,以防止任何机器意外移动。 该功能确保进行机器维修的技师的安全。 锁定执行以下事项:

  • 保持停车制动器接合。

  • 将变速箱放到空档。

  • 禁用举升系统。

  • 禁用主转向系统。

曲轴锁定

起动机锁定在技师进行机器维修时锁定发动机防止盘车。 仅起动机锁定提供该功能。 锁定也执行以下事项:

  • 保持停车制动器接合。

  • 将变速箱放到空档。

  • 禁用举升系统。

  • 禁用主转向系统。

发动机机油排放

发动机机油排放使技师能够在维修期间迅速排放机油管路。

油门锁

油门锁使操作员能够保持高怠速而无需使用油门踏板。 底盘 ECM 控制该功能。 启用该功能的开关由发动机 ECM 监控。

机器速度限制

机器速度限制防止机器超过预先决定的速度。 该功能限制了发动机输出转速和实际档位。

机器超载速度限制

当机器有效载荷过多时,该模式可限制机器的速度。 底盘 ECM 向有效负载系统请求机器有效负载的过载状态。 当有效负载系统确定机器过载时,底盘 ECM 限制机器速度。

减噪

该功能限制发动机噪声,以确保机器声音排放低于调节值。 减噪测量包括:

  • 车斗提升减噪

  • 最高档减噪

  • 倒退档减噪

空档起动

如果换档杆不在停车位置,空档起动功能会限制发动机的起动。 在启用该功能后,底盘 ECM 会使起动继电器通电,后者随后转动起动马达。

倒车报警器

当变速箱方向和速度操纵杆在倒档位置时,倒车警报器功能将鸣响。 该功能用于警告机器后面的人机器正在倒退。

预润滑

该功能在发动机起动前用机油润滑发动机。 该功能提高发动机部件寿命。 该功能与辅助转向测试结合。 该测试在钥匙处于接通位置时进行。

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