Position Sensor (Hoist Control)
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图 1 | g00498290 |
举倾控制位置传感器的位置 |
举倾控制位置传感器位于操作员座椅左侧。 举倾控制位置传感器是一个脉宽调制位置传感器。 举倾控制位置传感器向动力传动系电子控制模块(动力传动系 ECM)发送占空比信号。
动力传动系 ECM 利用这些信号通电激励举倾控制阀上相应的举倾比例电磁阀。 举倾比例电磁阀将移动举倾控制阀中的滑阀。 这会将机油传送到举倾油缸以便移动卸载车斗。
来自举倾控制位置传感器的信号也用于将变速箱换入空档。 当举倾控制位置传感器处于提升位置时,动力传动系 ECM 只允许换入前进速度位置或空档位置。 动力传动系 ECM 将不允许换入后退位置,直到举倾控制位置传感器被移出提升位置,且变速箱换档杆处于空档位置。
注: 如果机器在后退位置且举倾控制传感器处于提升位置,动力传动系 ECM 会将变速箱换入空档。 机器会保持在空档位置,直到举倾控制被移入保持或浮动位置,且变速箱控制已经循环经过空档。
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