Propel System Troubleshooting
可能的原因:
- 液压油油位过低。
- 行驶控制装置出现故障。
- 行驶泵的充油压力低。
- 系统压力过低。
- 多功能阀出现故障。
- 电子排量控制(EDC)故障。
- 行驶系统超出安全阀设置。
发动机转速较低(低于 2100 rpm)时,负载控制处于 AUTO(自动)位置。
- 行驶泵互锁阀出现故障。
可能的原因:
- 行驶控制装置出现故障。
- 多功能阀出现故障。
- 控制阀出故障。
- 行驶泵伺服弹簧中的机油受到污染。
可能的原因:
- 行驶控制装置出现故障。
- 控制阀出故障。
- 行驶泵出现故障。
- 电子排量控制(EDC)未正确调整。
可能的原因:
- 液压油油位过低。
- 液压油冷却器堵塞或脏污。
- 吸油滤清器堵塞。
- 多功能阀出现故障。
- 系统压力过高。
- 一个或多个系统中负载过量。
- 管路中存在阻塞。
- 机油冷却器旁通阀故障。
- 充油压力过低。
可能的原因:
- 充油压力过低。
- 控制阀出故障。
- 机油未处于工作温度。
- 安全阀设定值不正确。
可能的原因:
- 行驶系统充油安全阀故障。
可能的原因:
- 行驶马达冲洗阀出现故障。
可能的原因:
- 泵空档位置未正确调整。
- 电路中有故障。
- 停车制动器出故障。
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