69D, 73D, 769C, 769D, 773B, 773D, 773E, 776B, 776C, 776D, 777B, 777C, 777D, 784B, 785, 785B, 789 and 793 Off-Highway Truck/Tractors and 771D, 775B, 775D and 775E Quarry Trucks Payload System Caterpillar


Payload F04 - Suspension Cylinder (Right Rear) Incorrect Charge

Usage:

769C 01X
产生此代码的情况:

该诊断代码与悬架油缸(右后)有关。 该诊断代码指示 PMC 确定悬架油缸在卡车操作期间降到底部。 通过比较悬架油缸中的压力,PMC 确定悬架油缸降到底部。 这指示悬架油缸充油不正确。

注: PMC 可能会没有检测到悬架油缸的所有不正确充油。 请勿使用该诊断代码代替悬架油缸的正常保养。

有四个与悬架油缸充油相关的诊断代码。 诊断代码列示如下。

F01 - 悬架油缸(左前)

F02 - 悬架油缸(右前)

F03 - 悬架油缸(左后)

F04 - 悬架油缸(右后)

随着卡车在"装载"状态下行驶,PMC 持续监控四个悬架油缸的压力变化。

系统响应:

卡车在"装载"状态下时,当该诊断代码为激活状态时,外部负载指示灯将交替闪烁。

闪烁的负载指示灯用于通知保养人员有故障存在。 这将会阻碍 TPMS 正确称量有效负载。 这种状况可能还会导致机架或悬架油缸损坏。

测试步骤 1. 检查有无激活的诊断代码

  1. 将钥匙起动开关和 POD 上的接通/断开开关转到接通位置。

  1. 检查有无以下列出的诊断代码:

    F01 - 悬架油缸(左前)

    F02 - 悬架油缸(右前)

    F03 - 悬架油缸(左后)

    F04 - 悬架油缸(右后)

预期结果:

诊断代码为非激活或间歇性状态。

结果:

  • 正常 - 诊断代码为非激活或间歇性状态。

    修复: 将卡车返回进行维修。

    停止

  • 不正常 - 诊断代码为激活或间歇性状态。

    修复: 需要维修悬架油缸。 维修悬架油缸。

    停止

Caterpillar Information System:

CB-434C Vibratory Compactor Safety Messages
69D, 73D, 769C, 769D, 773B, 773D, 773E, 776B, 776C, 776D, 777B, 777C, 777D, 784B, 785, 785B, 789 and 793 Off-Highway Truck/Tractors and 771D, 775B, 775D and 775E Quarry Trucks Payload System Payload F03 - Suspension Cylinder (Left Rear) Incorrect Charge
69D, 73D, 769C, 769D, 773B, 773D, 773E, 776B, 776C, 776D, 777B, 777C, 777D, 784B, 785, 785B, 789 and 793 Off-Highway Truck/Tractors and 771D, 775B, 775D and 775E Quarry Trucks Payload System Payload F02 - Suspension Cylinder (Right Front) Incorrect Charge
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