1存在的问题平车装用KZW系列无级空重车自动调整装置已经多年,且大部分目前仍然装用转8A、转8G和转8AG型转向架,如NX17A、NX17AT、NX17和NX17T等车型。在检修过程中,笔者发现了3个较为突出的问题。(1)木地板平车的抑制盘、支架及传感阀锈蚀严重,且大部分抑制盘导杆锈死于支架内 1 Existing Problems The KZW series CVT automatic adjusting device for flat car has been used for many years and most of the models are still equipped with Zhuan 8A, Zhuan 8G and Zhuan 8AG bogies such as NX17A, NX17AT, NX17 and NX17T. In the maintenance process, I found three more prominent problems. (1) wooden floor flat car inhibition disk, bracket and sensor valve corrosion serious, and most of the inhibition of disk guide rust died in the stent