988H Wheel Loader Power Train Caterpillar


Position Sensor (Left Brake Pedal) (Operator Monitor) - Calibrate

Usage:

988H A7A
参考有关 操作员监视器的设置信息,请参阅正在维修的机器的测试和调整, "校准"。

采用子模式 29 校准变矩器踏板行程的参数。 位置传感器位于左侧制动器踏板下面。

叶轮离合器的变矩器踏板位置传感器的校准步骤

------ WARNING! ------

机器突然移动,会造成人员伤亡。

机器突然移动,会对机上或机器附近的人员造成伤害。

在处理机器之前,执行以下程序,以防止可能的伤害。


  1. 将机器放在光滑、水平的表面上。

  1. 将变速箱方向控制开关移到空档位置。

  1. 将铲斗、铲刀或作业机具降至地面。

  1. 接合停车制动器。

  1. 轮子前后都塞上垫块。

  1. 安装转向机架锁。

  1. 关闭发动机。

    注: 无需运行发动机即可执行校准过程。

  1. 将钥匙起动开关和断路开关转到 ON 位置。

  1. 机器上只留授权人员。 使未授权人员远离机器并在操作人员的清晰视野内。

    表 1
    所需工具    
    零件号     说明     数量    
    4C-8195     控制维修工具     1    

  1. 利用 4C-8195 控制维修工具 通过 "MODE模式"开关进入变速箱校准模式(8)。 操作员监视器显示区应在释放 "MODE(模式)"开关后显示读数 "81"。

  1. 按下然后释放 "CLEAR(清除)"开关。 81 27 将显示在操作员监视器显示区上。

  1. 按下并松开 "SCROLL(滚动)"开关,直到 81 29 显示在操作员监视器显示区上。

  1. 按下并松开 "CLEAR(清除)"开关,开始校准。

    注: 如果显示区显示读数 81 2904,进行步骤 16。

  1. 显示区显示读数 81 2902 时,接合停车制动器。

  1. 显示区显示读数 81 2903 时,将方向开关置于 NEUTRAL(空档)。

  1. 显示区显示读数 81 2904 时,完全踩下左制动器踏板然后再松开踏板。

  1. 按下然后释放 "CLEAR(清除)"开关。 如果显示区显示读数 81 29--,校准成功。 如果显示区显示读数 "29_EXX",校准不成功。 核对表 2 中的错误代码。

    表 2
    变扭器踏板传感器校准故障错误代码    
    E002     存在正在进行的诊断    
    E009     ECM 已放弃    
    E103     校准值超出范围    
    E104     踏板范围过小    
    E105     踏板范围过大    

  1. 要退出子模式 29,采用 "SCROLL(滚动)"开关滚动至下一个子模式,或采用 "MODE(模式)"开关退出 Transmission Calibration Mode(变速箱校准模式。)

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