Using a spring clamp, fasten the kingpin and axle mount together. Insure that they are oriented as shown in the drawing below.
使用弹簧夹，固定安装的主销和轴一起。保证，他们都面向如下所示绘制。
2
Remove nuts, U-bolts and spring bracket from axle.
由车轴拆下螺帽，U型螺栓和弹簧支架。
3
As a practical example, the stress and strain of a laminated spring on the front axle of "Jie Fang" truck are calculated. Finally, the calculated results are analysed and discussed.