320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System Caterpillar


Calibration

Usage:

325D L A3R

使用 Caterpillar 电子技师

Caterpillar 电子技师维修工具用来访问标定步骤。 详细信息请参阅随 ET 提供的手册。

也可以通过监控系统执行类似的标定步骤。 请参阅系统操作, RENR8068, "标定模式"。

标定菜单用来补偿机械部件与电气部件中的差异。 更换 ECM 或拆下 ECM 后,应当执行标定。 更换或拆下部件后,应当执行标定。 执行所有适用的标定。

注: 执行标定之前,请确保液压油温度至少为 50 °C (122 °F)

访问标定步骤

将 ET 与机器相连。 请参阅图1。 通信建立起来之后,ET 会列出机器上的电子控制模块。



图 1g01211395
ET 接头的位置
(操作员座椅之后、右控制台之下)
(1) ET 接头
(2) 右控制台
(3) 操作员座椅背面(前移以便接近)
(4) 备用控制开关

注: 开始执行标定步骤之前,ECM 必须检测具体的安装情况。 如果不符合安装步骤条件,标定步骤将中止执行。

  1. 选择机器 ECM。


    图 2g01211396
    访问标定步骤的典型屏幕

  2. 从主菜单中选择 "Service(维修)"。

  3. 从 "Service(维修)"下拉菜单中选择 "Calibrations(标定)"。

    下面列出了 "Calibrations(标定)"下拉菜单中所有可能的标定。 具体标定随销售型号而异。

    • "PRV - 主泵流量限制压力标定"

    • "PRV - 动力换档压力标定"

    • "调制输入标定"

    • "PRV - 可变安全压力标定"

    • "PRV - 附件阀压力标定"

    • "发动机转速标定"

  4. 从 "Calibrations(标定)"下拉菜单中选择所需的标定步骤。

  5. 按照屏幕上的说明进行操作。

注: 会显示其它屏幕以通知操作员标定步骤的状态。

典型的标定屏幕



图 3g01161305
注:某些标定步骤需要额外的设备。


图 4g01161463
执行具有多个选择的标定的典型屏幕


图 5g01211469
执行标定的典型屏幕

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