转向系是用来控制拖拉机的行驶方向,对拖拉机进行运输和田间作业的安全及作业质量起着至关重要的作用。在拖拉机的使用中,转向系主要零部件的磨损与其润滑、使用、调整不当等有关。 一、转向系的主要故障及原因 1.轮式拖拉机转向困难,表现为方向盘操纵费力,方向盘自由行程过大,其原因是:轮胎气压过低; The steering system is used to control the tractor’s direction of travel and plays a crucial role in the safety and quality of the tractor’s transportation and field operations. In the use of tractors, the steering system of the main components of its wear and tear, use, improper adjustment and so on. First, the steering system of the main problems and causes 1. Wheeled tractor steering difficulties, manifested as laborious steering wheel manipulation, freewheeling steering wheel is too large, the reason is: the tire pressure is too low;