农用运输车转向沉重,会增加司机的驾驶强度,容易引起疲劳,降低车辆的机动性能,难以保证行驶安全。应及时找出原因,排除故障。 1、转向沉重的常见原因 (1)转向器上下轴承调得过紧或轴承受损;蜗杆与滚轮(齿扇)啮合过紧。 (2)转向节主销与转向节止推轴承润滑不良或锈蚀;转向节主销与衬套配合过 Heavy agricultural vehicles, will increase the driver’s driving strength, easily lead to fatigue, reduce the mobility of vehicles, it is difficult to ensure driving safety. Should find out the reason in time, eliminate the trouble. 1, a common cause of heavy changes (1) steering gear up and down the bearing too tight or bearing damage; worm and roller (tooth fan) meshing too tight. (2) knuckle kingpin and knuckle thrust bearing poor lubrication or corrosion; steering knuckle kingpin and bushing fits