Taking the automatic transmission on an AVELING hauler as an example, the basic method to inspect analyze and diagnose a hydraulic automatic transmission Which is widely used in construc- tion machinery drive is introduced in the article.

• 本文以AVELING自卸车的自动变速器为例，介绍工程机械传动系中广泛采用的液力自动变速器基本的检测、分析与故障诊断方法。