Compact Excavator Electrical System.pdf

Content: Guide: Target: Reference: Exercise:  Content: pay attention to the harness arrangement and the connector between the different harness. That will help you find the parts and its line connection quickly. Guide: Target: Reference: Exercise: Content: Guide: Target: Ref...

Content: Guide: Target: Reference: Exercise:  Content: pay attention to the harness arrangement and the connector between the different harness. That will help you find the parts and its line connection quickly. Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: at relay box Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise:  Content:启动机是将蓄电池的电能转化为机械能，驱动发动机飞轮旋转，带动发动机曲轴转动。 起动机工作原理：钥匙开关在启动位置时，吸拉线圈得电，拉动拨叉向前推驱动齿轮，此时有一股小电流经过电枢，使 电枢缓慢旋转，为了更好的使齿啮合。 齿轮啮合后，吸拉线圈后部接通蓄电池至起动机的主电路，大电流经过电枢，使电枢快速旋转，实现启动功能。 启动钥匙使吸拉和保持线圈有电，同时吸拉线圈给电枢小电流，慢速旋转啮合；主电源接通后大电流进入电枢，同时使 吸拉线圈短路，保持线圈以大电流保持拨叉； 停止启动后，主电源在吸拉线圈和保持线圈上产生相反的磁场，相互抵消，使拨叉在弹簧力下复位，主电源断开，电枢 停止旋转。 Guide: Target: Reference: Exercise: Content: Guide: Target: Reference: Exercise: