AP1000E and BG1000E Asphalt Pavers Propel System Caterpillar


Propel System Troubleshooting

Usage:

AP-1000E DKH

故障诊断和排除列表

故障:机器不向任一方向运动。

可能的原因:

  1. 液压油油位过低。

  1. 行驶控制装置出现故障。

  1. 行驶泵的充油压力低。

  1. 系统压力过低。

  1. 组合阀故障。

  1. 电子排量控制(EDC)故障。

  1. 行驶系统超出安全阀设置。 机器速度范围过高。

故障:机器只向一个方向运动。

可能的原因:

  1. 行驶控制装置出现故障。

  1. 组合阀故障。

  1. 充油单向阀故障。

  1. 控制阀出故障。

  1. 梭阀故障。

  1. 行驶泵伺服弹簧中的机油受到污染。

故障:机器不能处于空档位置。

可能的原因:

  1. 行驶控制装置出现故障。

  1. 控制阀出故障。

  1. 行驶泵出现故障。

  1. 电子排量控制(EDC)未正确调整。

故障:系统过热。

可能的原因:

  1. 液压油油位过低。

  1. 液压油冷却器堵塞或脏污。

  1. 吸油滤清器堵塞。

  1. 组合阀故障。

  1. 系统压力过高。

  1. 一个或多个系统中负载过量。

  1. 管路中存在阻塞。

  1. 机油冷却器旁通阀故障。

  1. 充油压力过低。

故障:行驶系统响应迟缓。

可能的原因:

  1. 充油压力过低。

  1. 控制阀出故障。

  1. 机油未处于工作温度。

  1. 安全阀设定值不正确。

故障:充油压力在空档和前进及后退操作中过低。

可能的原因:

  1. 行驶系统充油安全阀故障。

故障:充油压力在前进及后退操作中过低。

可能的原因:

  1. 行驶马达冲洗安全阀故障。

故障:转速控制装置设为零时机器向任一方向爬行。

可能的原因:

  1. 泵空档位置未正确调整。

  1. 电路中有故障。

  1. 斜坡对于所选的机器速度范围过陡。

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