CB22B, CB24B, CC24B AND CB32B Vibratory Utility Compactor Propel Systems Caterpillar


Location of Electrical Components (Propel System)

Usage:

CB-22B 2B2


图 1g03532078
操作员控制台后部,位于控制台右侧的检修盖。
(1) 机器 ECM

注: 为便于查看,上图显示控制台的剖视图。

机器 ECM (1) 位于前操作员控制台内,电气面板后面。 必须拆下盖以检修该部件。

机器 ECM 控制以下行驶系统功能:

  • 制动电磁阀控制

  • 座椅开关电磁阀控制(如有配备)

  • 牵引力控制电磁阀控制(如有配备)

  • 辅助功能(倒车警报、制动灯)


图 2g03532080
操作员座椅下方
(2) 座椅开关

两个座椅开关 (2)(图中左侧)位于操作员座椅下方。 座椅开关触点为常开触点。 当操作员在座椅上就座时,开关闭合。

机器 ECM 监视座椅开关上的电路。 如果两个座椅开关在前进或后退行驶期间断开,则机器 ECM 确定操作员不在座椅上。 在这种情况下,行驶和振动系统暂时停用,直到一个或两个开关闭合。

注: 行驶操纵杆必须返回到空档位置,且操作员必须返回到座椅,才能继续正常操作。



图 3g03532781
机器后部
(3) 倒车警报器

倒车报警 (3) 位于机器后部。

机器 ECM 控制倒车警报 (3) 的电源。 机器向后行驶时发出倒车警报。



图 4g03532796
操作员座椅右侧
(4) 位置传感器

可选的位置传感器 (4) 位于操作员座椅右侧的行驶操纵杆下方。 必须拆下右侧控制台(未显示),才能接近此部件。 此传感器仅存在于带牵引力控制选装件的机器上。

位置传感器 (4) 为脉冲宽度调制 (PWM) 传感器。 机器 ECM 使用此传感器的输入来确定行驶操纵杆的位置。 机器 ECM 使用行驶操纵杆的位置,以及发动机转速输入,来计算近似机器速度。 此计算将用作牵引力控制参数。

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