小松PC200-7挖掘机液压泵的故障诊断、分析及排除方法

Trouble Diagnosis, Analysis and Troubleshooting of the Hydraulic Pump in Komatsu PC200-7 Excavator

挖掘机液压泵的优劣直接影响到其动力性、经济性、可靠性、振动、噪声与排放特性的好坏,小松PC200-7挖掘机液压泵的故障诊断方法可分为“四觉”诊断法和仪器诊断法,详细地介绍了它的故障分析与排除方法。

The hydraulic pump of an excavator will directly affect its power performance, economy, reliability, vibration, noise and exhaust characteristics. The trouble diagnosis methods for the hydraulic pump include ＂four feel＂ diagnosis and instrument diagnosis. The trouble analysis and troubleshooting methods are introduced in details in this paper.